Presentations -

高次スピンダイナミックスとエンタングルメントによる動的核スピン偏極のコヒーレントな制御

佐々木健人、伊藤公平、阿部英介

日本物理学会2021年秋季大会物性, 

2022.09

, 

Oral presentation (general)

スピン緩和モデルを用いた窒素空孔中心スピンの光学的読み出し最適化

中村祐貴、渡邊幸志、伊藤公平、佐々木健人、小林研介、早瀬潤子

第69回応用物理学会春季学術講演会 (青山学院大学相模原キャンパス&オンライン) , 

2022.03

, 

Oral presentation (general)

スピン緩和モデルに基づくダイヤモンドスピンの工学的読み出しの最適化

中村祐貴、渡邊幸志、伊藤公平、佐々木健人、小林研介、早瀬潤子

日本物理学会第77回年次大会 (オンライン) , 

2022.03

, 

Oral presentation (general)

ダイヤモンド二準位系における高強度領域でのFloquetエンジニアリングの実証

西村俊亮、五十川拓哉、伊藤公平、早瀬潤子、佐々木健人、小林研介

日本物理学会第77回年次大会 (オンライン) , 

2022.03

, 

Oral presentation (general)

シリコンスピン量子ビットの位相コヒーレント輸送

米田淳, W. Huang, M. Feng, C. H. Yang, K. W. Chan, T. Tanttu, W. Gilbert, R. C. C. Leon, F. E. Hudson, 伊藤公平, A. Morello, S. D. Bartlett, A. Laucht, A. Saraiva, and A. S. Dzurak

日本物理学会2021年秋季大会物性 (オンライン) , 

2021.09

, 

Oral presentation (general)

量子センサーを用いた交流磁場計測における非線形性と精度向上

西村俊亮、五十川拓哉、伊藤公平、早瀬潤子、佐々木健人、小林研介

日本物理学会2021年秋季大会物性, 

2021.09

, 

Oral presentation (general)

発光強度の重み付けによるダイヤモンド量子ビットの読み出し最適化

中村祐貴、渡邊幸志、伊藤公平、佐々木健人、小林研介、早瀬潤子

第82回応用物理学会秋季学術講演会 (名城大学＆オンライン) , 

2021.09

, 

Oral presentation (general)

Quantum Sensors Along the Cylindrical Walls of Diamond Microwells

1. T. Ishikawa, A. Yoshizawa, Y. Mawatari, H. Watanabe, J. Ishi-Hayase, and K. M. Itoh

14th International Conference on New Diamond and Nano Carbons 2020/2021 (Virtual) , 

2021.06

, 

Oral presentation (general)

Quantum Computing in Japan

K. M. Itoh

Q2B, 

2020.12

, 

Oral presentation (invited, special)

シリコン量子コンピュータ開発の現状

伊藤公平

シリコン材料・デバイス研究会, 

2020.11

, 

Oral presentation (invited, special)

量子コンピュータの最新動向

伊藤公平

第10回CSJ化学フェスタ2020, 

2020.10

, 

Oral presentation (invited, special)

Materials for Semiconductor Qubits

K. M. Itoh

IEEE International Conference on Quantum Computing and Engineering (Virtual) , 

2020.10

, 

Oral presentation (invited, special)

Quantum Computing Hardwares

K. M. Itoh

2020 International Conference on Solid State Devices and Materials (Virtual) , 

2020.09

, 

Oral presentation (general)

Forefront of Silicon Quantum Computing

K. M. Itoh

SISPAD 2020 (Virtual) , 

2020.09

, 

Oral presentation (keynote)

State-of the Art in Silicon Quantum Computer Development,

K. M. Itoh

2020 IEEE Silicon Nanoelectronics Workshop (Virtual) , 

2020.06

, 

Oral presentation (keynote)

Software Development for Quantum Computers

K. M. Itoh

53rd Hawaii International Conference on System Sciences (HICSS-53) (Maui, USA.) , 

2020.01

, 

Oral presentation (invited, special)

Isotope Materials Engineering for Silicon Quantum Computing

K. M. Itoh

2019 MRS Fall Meeting and Exhibit (Boston, USA.) , 

2019.12

, 

Oral presentation (invited, special)

QuantumComputing

K. M. Itoh

2019 Annual Conference on Magnetism and Magnetic Materials (Las Vegas, USA.) , 

2019.11

, 

Oral presentation (keynote)

固体量子情報デバイスの実現に向けたシリコン同位体技術

宮本聡，宇佐美徳隆，伊藤公平

シリコン材料・デバイス研究会 (機械振興会館) , 

2019.01

, 

Oral presentation (invited, special)

Silicon Isotope Technology for Quantum Computing

S. Miyamoto and K. M. Itoh

64th International Electron Devices Meeting (San Francisco, USA) , 

2018.12

, 

Oral presentation (invited, special)

Oxidation-Enhanced Si Self-Diffusion in Isotopically Modulated Nanopillars

R. Kiga, S. Hayashi, S. Miyamoto, Y. Shimizu, T. Endoh, Y. Nagai, and K. M. Itoh

2018 MRS Fall Meeting and Exhibit (Boston, USA) , 

2018.11

, 

Oral presentation (general)

解説論文賞受賞記念講演：個体量子情報デバイスの現状と将来展望 万能ディジタル量子コンピュータの実現に向けて

伊藤公平、阿部英介

第79回応用物理学会秋季学術講演会 (名古屋国際会議場) , 

2018.09

, 

Oral presentation (invited, special)

Control Fidelities in Isotopically Natural and Enriched Silicon Quantum Dot Qubits

K. Takeda, J. Yoneda, T. Otsuka, T. Nakajima, M. R. Delbecq, G. Allison, A. Noiri, Y. Hoshi, N. Usami, K. M. Itoh, S. Oda, T. Kodera, and S. Tarucha

2018 International Conference on Solid State Devices and Materials (University of Tokyo, Japan.) , 

2018.09

, 

Oral presentation (general)

Determination of the Position of a Single Nuclear Spin Via Nuclear Free Precession Detected by a Diamond Quantum Sensor

K. Sasaki, K. M. Itoh, and E. Abe

The International Conference on Diamond and Carbon Materials 2018 (Dubrovnik, Croatia) , 

2018.09

, 

Oral presentation (general)

Silicon Isotope Engineering for Quantum Information Processing

S. Miyamoto and K. M. Itoh

International Workshop Quantum Information and Correlation in Quantum Dots (Daejeon, South Korea) , 

2018.08

, 

Oral presentation (invited, special)

Determination of the Position of a Single Nuclear Spin Using a Solid-State Electron-Spin Quantum Sensor

K. Sasaki, K. M. Itoh, and E. Abe

10th International School and Conference on Physics and Applications of Spin Phenomena in Solids (PASPS10) (Lintz, Austria) , 

2018.08

, 

Poster presentation

Silicon Isotope Engineering for Quantum Information Processing

S. Miyamoto and K. M. Itoh

Progress in Electromagnetics Research Symposium 2018 (Toyama, Japan) , 

2018.08

, 

Oral presentation (invited, special)

量子コンピュータ

伊藤 公平

超高速フォトニックネットワーク開発推進協議会平成30年度定期総会講演会 (学士会館) , 

2018.06

, 

Oral presentation (invited, special)

Atom Probe Tomography Investigation of Silicon Self-diffusion in Isotopically Modulated Nanopillars

R. Kiga, S. Hayashi, S. Miyamoto, Y. Shimizu, T. Endoh, Y. Nagai, and K. M. Itoh

The Scientific International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions (SISS-20) (Tokyo, Japan) , 

2018.06

, 

Oral presentation (general)

ダイヤモンド中欠陥を用いたNMRと高分解能交流磁場検出

佐々木健人、渡邊幸志、伊藤公平、阿部英介

第65回応用物理学会春季学術講演会 (早稲田大学西早稲田キャンパス・ベルサール高田馬場) , 

2018.03

, 

Poster presentation

固体量子コンピュータ開発と利用の展望

ITOH M KOHEI

第65回応用物理学会春季学術講演会 (早稲田大学西早稲田キャンパス・ベルサール高田馬場) , 

2018.03

, 

Oral presentation (general)

エピタキシャルGe上の直接ALDによるAl2O3層の形成と評価

繁澤えり子、福本将士、松岡諒太郎、佐野良介、伊藤公平、澤野憲太郎、野平博司

第23回電子デバイス界面テクノロジー研究会-材料・プロセス・デバイス特性の物理— (東レ総合研修センター) , 

2018.01

, 

Oral presentation (general)

Isotopically Engineered Si-28/SiGe Heterostructures for Quantum Computing

S. Miyamoto, Y. Hoshi, N. Usami, and #HK. M. Itoh#H

2017 MRS Fall Meeting & Exhibit (Boston, USA.) , 

2017.11

, 

Oral presentation (general)

Isotopically Engineering of Silicon and Diamond for Spinbased Quantum Information Processing

K. M. Itoh

E-MRS 2017 Fall Meeting (Walsaw, Poland) , 

2017.09

, 

Oral presentation (invited, special)

シリコン同位体周期構造を用いた共注入フッ素・ホウ素と自己拡散の同時観測

木我亮太郎、植松真司、伊藤公平

第78回応用物理学会秋季学術講演会 (福岡国際会議場) , 

2017.09

, 

Oral presentation (general)

Low-Defect-Density Al2O3 Insulating Layer for Gate-Controlled Si/SiGe Quantum Dots

R. Matsuoka, S. Miyamoto, K. Sawano, and K. M. Itoh

7th Summer School on Semiconductor/Superconducting Quantum Coherence Effect and Quantum Information (Hotel Laforet Shuzenji) , 

2017.08

, 

Poster presentation

Isotopically Enriched Si-28/SiGe Heterostructures with Nearly Atomic-Scale Roughness

S. Miyamoto, Y. Hoshi, N. Usami, and K. M. Itoh

7th Summer School on Semiconductor/Superconducting Quantum Coherence Effect and Quantum Information (Hotel Laforet Shuzenji) , 

2017.08

, 

Poster presentation

Solid-Source MBE Growth of Isotopically Purified Si/SiGe Heterostructures for Nuclear-Spin-Free Quantum Dots

N. Ito, S. Miyamoto, and K. M. Itoh

7th Summer School on Semiconductor/Superconducting Quantum Coherence Effect and Quantum Information (Hotel Laforet Shuzenji) , 

2017.08

, 

Poster presentation

Charge-Noise-Limited Coherence and Three-Nines Fidelity of an Enriched Si/SiGe Spin Qubit

J. Yoneda, K. Takeda, T. Otsuka, T. Nakajima, M. R. Delbecq, G. Allison, T. Honda, T. Kodera, S. Oda, Y. Hoshi, N. Usami, K. M. Itoh, and S. Tarucha

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Oral presentation (general)

Low Magnetic Field Anomalies of Spin Relaxation in Silicon in the Low Temperature Limit

S. Tenberg, S. Asaad, M. Johnson, A. Laucht, F. Hudson, K. M. Itoh, D. Jamieson, A. Dzurak, and A. Morello

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Poster presentation

Microwave Induced Frequency Shift and Its Quadrature Compensation for Si/SiGe Spin Qubits

K. Takeda, J. Yoneda, T. Otsuka, T. Nakajima, M. R. Delbecq, G. Allison, J. Kamioka, T. Honda, T. Kodera, S. Oda, Y. Hoshi, N. Usami, #HK. M. Itoh#H, and S. T arucha

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Poster presentation

Ion-implanted 31P donor devices for 2-qubit logic gate

M. Madzik, A. Laucht, V. Mourik, F. E. Hudson, K. M. Itoh, D. N. Jamieson, A. S. Dzurak, and A. Morello

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Poster presentation

Isotopically Enriched Si-28/SiGe Heterostructures with Nearly Atomic-Scale Roughness

S. Miyamoto, Y. Hoshi, N. Usami, and K. M. Itoh

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Poster presentation

High-Fidelity Gate Control of Silicon Quantum Dot Qubits Using Shape-Optimized Microwave Pulses

C.-H. H. Yang, K. W. Chan, W. Huang, J. C. C. Hwang, B. Hensen, A. Laucht, R. Harper, F. E. Hudson, S. Bartlett, K. M. Itoh, A. Morello, and A. S. Dzurak

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Poster presentation

Noise Spectroscopy and Randomized Benchmarking of a Silicon Quantum Dot Qubit

K. W. Chan, W. Huang, H. Yang, J. Hwang, B. Hensen, T. Tanttu, F. Hudson, K. M. Itoh, A. Laucht, A. Morello, and A. Dzurak

International Workshop on Silicon Quantum Electronics (Oregon, USA.) , 

2017.08

, 

Poster presentation

Simultaneous Observation of the Diffusion of Self-Atoms and Co-Implanted Boron and Fluorine in Pre-Amorphized Silicon Investigated by Isotope Heterostructures

R. Kiga, M. Uematsu, and K. M Itoh

29th International Conference on Defects in Semiconductors (Matsue, Japan.) , 

2017.08

, 

Poster presentation

Low-Defect-Density Al2O3 Insulating Layer for Gate-Controlled Si/SiGe Quantum Dots

R. Matsuoka, S. Miyamoto, K. Sawano, and K. M Itoh

29th International Conference on Defects in Semiconductors (Matsue, Japan.) , 

2017.08

, 

Poster presentation

Spin Dependent Microwave Photoconductivity Detection of New Electron Spin Resonance Spectrum of Carbon Containing Center in Irradiated Silicon

S. Hayashi, H. Saito, K. M. Itoh, M. P. Vlasenko, and L. S. Vlasenko

29th International Conference on Defects in Semiconductors (Matsue, Japan.) , 

2017.08

, 

Poster presentation

High Resolution Quantum Sensing with Shaped Control Pulses

K. Sasaki, J. Zopes, K. S. Cujia, J. M. Boss, K. Chang, T. F. Segawa, K. M. Itoh, and C. L. Degen

Gordon Research Conference: Quantum Sensing (Hong Kong, China) , 

2017.07

, 

Poster presentation

Microwave Engineering and Materials Science for Nitrogen-Vacancy Centers in Diamond

E. Abe, J. Herrmann, K. Ito, H. Saito, K. Sasaki, E. E. Kleinsasser, Y. Monnai, H. Watanabe, T. Teraji, K.-M. C. Fu, and K. M. Itoh

9th International School and Conference on Spintronics and Quantum Information Technology (Fukuoka, Japan) , 

2017.06

, 

Poster presentation

Microwave Engineering, Magnetic Sensing Technique, and Materials Science for Nitrogen-Vacancy Centers in Diamond

E. Abe, K. Sasaki, J. Herrmann, E. E. Kleinsasser, Y. Monnai, H. Watanabe, T. Teraji, K.-M. C. Fu, and K. M. Itoh

11th Conference on New Diamond and Nano Carbons (Cairns, Australia) , 

2017.06

, 

Oral presentation (general)

Growth and Characterization of Isotopically Enriched Si-28/SiGe Heterostructures

S. Miyamoto, Y. Hoshi, N. Usami, and K. M. Itoh

The 10th International Conference on Silicon Epitaxy and Heterostructures (Warwick, UK) , 

2017.05

, 

Oral presentation (general)

Isotope Engineering of Silicon and Diamond for Quantum Information Processing

ITOH M KOHEI

2017 Sweden-Japan International Workshop on Quantum Nanophysics and Nanoelectronics (Yokohama, Japan) , 

2017.03

, 

Oral presentation (invited, special)

Quantum Spintronics

ITOH M KOHEI

International School on Spintronics and Spin-Orbitronics (Fukuoka, Japan) , 

2016.12

, 

Oral presentation (invited, special)

ソリッドステート方式マイクロ波源を用いたマイクロ波プラズマCVD法によるホモエピタキシャルダイヤモンド薄膜の合成

渡邊幸志，石川豊史，伊藤公平

第３０回ダイヤモンドシンポジウム (東京大学 駒場リサーチキャンパス) , 

2016.11

, 

Oral presentation (general)

Emerging Quantum Information Technologies - Quantum for sustaining the Moore’s law -

K. M. Itoh

2016 International Conference on Solid State Devices and Materials (Tsukuba, Japan) , 

2016.09

, 

Oral presentation (invited, special)

Magnetic-Field Sensitivity and Spin Properties of High Density Ensemble of Nitrogen-Vacancy Centers with a Narrow Resonance Linewidth

K. Sasaki, E. E. Kleinsasser, M. E. Stanfield, J. K. Q. Banks, Z. Zhu, W.-D. Li, V. M. Acosta, H. Watanabe, K.-M. C. Fu, K. M. Itoh, and E. Abe

9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (Kobe, Japan) , 

2016.08

, 

Poster presentation

Preferentially-Oriented Nitrogen-Vacancy Centers in Diamond Created Using Chemical Vapor Deposition on a Micropatterned (001) Substrate

R. Fujita, S. Saijo, I. Hanano, H. Watanabe. K. Akahane, Y. Monnai, K. M. Itoh, and J. Ishi-Hayase

9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (Kobe, Japan) , 

2016.08

, 

Poster presentation

Wide-Field Orientation Imaging of Nitrogen-Vacancy Centers in Diamond

M. Okazaki, R. Fujita, I. Hanano, H. Watanabe, K. Akahane, Y. Monnai, K. M. Itoh, and J. Ishi-Hayase

9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (Kobe, Japan) , 

2016.08

, 

Poster presentation

Spin Dependent Recombination Study of Surface Paramagnetic Centers in Silicon

H. Saito, S. Hayashi, Y. Kusano, M. P. Vlasenko, L. S. Vlasenko, and K. M. Itoh

9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (Kobe, Japan) , 

2016.08

, 

Poster presentation

Magnetic Field Sensing Using Preferentially-Oriented Nitrogen-Vacancy Centers in Diamond

S. Saijo, H. Watanabe, Y. Monnai, S. Kitazawa, R. Fujita, Y. Matsuzaki, K. M. Itoh, and J. Ishi-Hayase

9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (Kobe, Japan) , 

2016.08

, 

Poster presentation

量子コンピュータ最前線

ITOH M KOHEI

CRYPTRECシンポジウム (品川シーズンテラスカンファレンス、東京) , 

2016.06

, 

Oral presentation (invited, special)

Quantum Sensing with Isotopically Purified 12C Diamond

K. M. Itoh, K. Sasaki, H. Watanabe, and E. abe

7th International Symposium on Control of Semiconductor Interfaces (ISCSI-VII) (Nagoya, Japan.) , 

2016.06

, 

Oral presentation (invited, special)

シリコン量子コンピューティング

ITOH M KOHEI

第34回量子情報技術研究会（QIT34） (高知大学) , 

2016.05

, 

Oral presentation (invited, special)

Isotope Engineering of Silicon and Diamond for Quantum Computing and Sensing

ITOH M KOHEI

Workshop on Computational Nano-Materials Design and Realization for Energy-Saving and Energy-Creation Materials (Osaka University, Japan) , 

2016.03

, 

Oral presentation (invited, special)

ダイヤモンド中電子スピンの光検出磁気共鳴イメージング

ITOH M KOHEI

第63回応用物理学会春季学術講演会 (東京工業大学) , 

2016.03

, 

Poster presentation

微細加工基板上化学気相成長により生成した高配向率を有するダイヤモンド中窒素空孔中心のスピン特性

ITOH M KOHEI

第63回応用物理学会春季学術講演会 (東京工業大学) , 

2016.03

, 

Poster presentation

シリコン同位体核スピンと量子ビット演算

ITOH M KOHEI

光ネットワークシステム技術第171委員会 第57回研究会 (主婦会館プラザ) , 

2016.02

, 

Oral presentation (invited, special)

ダイヤモンド量子センシング

ITOH M KOHEI

2015年度応用物理学会・量子エレクトロニクス研究会「極限計測の科学と技術」 (東京大学山中寮内藤セミナーハウス) , 

2015.12

, 

Oral presentation (invited, special)

Engineered Nitrogen-vacancy Centers in Diamond for Quantum Sensing

J. Ishi-Hayase, H. Watanabe, and K. M. Itoh

EMN Meeting on Vacuum Electronics (Las Vegas, USA) , 

2015.11

, 

Oral presentation (invited, special)

Spatially Selective Creation of Nitrogen-Vacancy Centers with Preferential Orientation in an Isotopically-Purified Diamond Thin Film

J. Ishi-Hayase, H. Watanabe, and K. M. Itoh

XIV International Conference on Quantum Optics and Quantum Information (ICQOQI'2015) (Minsk, Belarus) , 

2015.10

, 

Oral presentation (invited, special)

Fabrication of Arrays of Smooth Sidewall, Si Nano Pillars and Nano Needles by Wet Etching

K. Yamada, M. Yamada, H. Maki, K. M. Itoh

The 14th International Conference on Nanoimprint and Nanoprint Technology (Napa, USA) , 

2015.10

, 

Poster presentation

微細加工(001)基板上化学気相成長によるダイヤモンド中窒素空孔中心の生成と位置・配向制御

ITOH M KOHEI

第76回応用物理学会秋季学術講演会 (名古屋国際会議場、愛知) , 

2015.09

, 

Poster presentation

PデルタドープしたGe基板の3次元アトムプローブ評価

ITOH M KOHEI

第76回応用物理学会秋季学術講演会 (名古屋国際会議場、愛知) , 

2015.09

, 

Poster presentation

The Role of Isotope Engineering in Silicon and Diamond Quantum Information Processing

K. M. Itoh

8th International School and Conference on Spintronics and Quantum Information Technology (SpinTech VIII) (Basel, Switzerland) , 

2015.08

, 

Oral presentation (invited, special)

A Two Qubit Logic Gate in Silicon

M. Veldhorst, C. H. Yang, J. C. C. Hwang, W. Huang, J. P. Dehollain, J. T. Muhonen, S. Simmons, A. Laucht, F. E. Hudson, K. M. Itoh, A. Morello, and A. S. Dzurak

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Oral presentation (general)

A Dressed Spin Qubit in Silicon

A. Laucht, R. Kalra, J. P. Dehollain, S. Simmons, J. T. Muhonen, G. Tosi, F. A. Mohiyaddin, S. Freer, F. E. Hudson, K. M. Itoh, D. N Jamieson, J. C. McCallum, A. S. Dzurak, and A. Morello

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Oral presentation (general)

Quantum memory in a single nucleus in silicon

S. Freer, S. S. Simmons, A. Laucht, F. A. Mohiyaddin, F. Hudson, K. M. Itoh, J. C. McCallum, D. Jamieson, A. Dzurak, and A. Morello

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Poster presentation

Electron Spin Coherence of Donors in Germanium

A. J. Sigillito, R. M. Jock, A. M. Tyryshkin, K. M. Itoh, and S. A. Lyon

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Oral presentation (general)

Quadrupole Shift of Nuclear Magnetic Resonance of Donors in Silicon at Low Magnetic Field

P. A. Mortemousque, S. Rosenius, G. Pica, D. P. Franke, T. Sekiguchi, A. Truong, M. P. Vlasenko, L. S. Vlasenko, M. S. Brandt, R. G. Eliman, and K. M. Itoh

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Oral presentation (general)

Mechanical Tuning of Arsenic Donors in Silicon

D. P. Franke, F. M. Hrubesch, F. Hoehne, L. Dreher, K. M. Itoh, and M. S. Brandt

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Oral presentation (general)

A Si-MOS Multi-Quantum-Dot Device for Two-Qubit Tomography Experiments

J. C. C. Hwang, M. Veldhorst, C. H. Yang, C. M. Cheng, K. M. Itoh, A. Morello, and A. S. Dzurak

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Poster presentation

Dispersive Readout of Si-MOS Double Quantum Dot

C. M. Cheng, C. H. Yang, J. C. C. Hwang, M. Veldhorst, F. E. Hudson, K. M. Itoh, A. S. Dzurak, and C. G. Smith

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Poster presentation

Electron spin resonance spectroscopy of the defects in annealed γ-irradiated silicon

H. Saito, Y. Kusano, M. P. Vlasenko, L. S. Vlasenko, and K. M. Itoh

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Poster presentation

Towards fabrication of isotopically-enriched strained 28Si layers

Y. Hoshi, S. Tanaka, K. Sawano, K. M. Itoh, and N. Usami

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Poster presentation

Dynamic nuclear polarization of bismuth donor nuclear spins in silicon induced by spin dependent recombination of electrons

P. A. Mortemousque, T. Sekiguchi, S. Rosenius, A. Truong, M. P. Vlasenko, L. S. Vlasenko, R. G. Elliman, and K. M. Itoh

Silicon Quantum Electronics Workshop 2015 (Takamatsu, Japan) , 

2015.08

, 

Poster presentation

28th International Conference on Defects in Semiconductors

J. Ishi-Hayase, H. Watanabe, and K. M. Itoh

Control of Position and Orientation of Nitrogen-Vacancy Centers in CVD-Grown Diamond Thin Film (Helsinki, Finland) , 

2015.07

, 

Oral presentation (invited, special)

Isotopically Enriched C Diamond CVD Layers for NanoMRI

K. M. Itoh

5th annual NanoMRI Conference (Waterloo, Canada) , 

2015.07

, 

Oral presentation (invited, special)

Unusual Temperature Dependence of the Magnetocrystalline anisotropy in a Mn5Ge3 Epitaxial Thin Film

A. Truong, A. O. Watanabe, T. Sekiguchi, P. A. Mortemousque, T. Sato, K. Ando, and K. M. Itoh

The 9th International Conference on Silicon Epitaxy and Heterostructures (ICSI-9) (Montreal, Canada.) , 

2015.05

, 

Oral presentation (general)

Supperession of the Segregation of Delta-Doped P by the Insertion of Si Layers in Ge

M. Yamada, K. Sawano, M. Uematsu, and K. M. Itoh

The 9th International Conference on Silicon Epitaxy and Heterostructures (ICSI-9) (Montreal, Canada.) , 

2015.05

, 

Poster presentation

Isotopically Engineered Silicon and Diamond for Quantum Information Processing

K. M. Itoh

The 9th International Conference on Silicon Epitaxy and Heterostructures (ICSI-9) (Montreal, Canada) , 

2015.05

, 

Oral presentation (invited, special)

n-GeへのPデルタドーピングにおけるSi挿入によるその偏析抑制効果

ITOH M KOHEI

第62回応用物理学会春季学術講演会 (東海大学湘南キャンパス) , 

2015.03

, 

Oral presentation (general)

バイオテンプレート極限加工を用いたGeナノディスクの作製と光学特性

ITOH M KOHEI

第62回応用物理学会春季学術講演会 (東海大学湘南キャンパス) , 

2015.03

, 

Oral presentation (general)

針状試料の先端開き角度を活用したアトムプローブにおける像の再構築

ITOH M KOHEI

第62回応用物理学会春季学術講演会 (東海大学湘南キャンパス) , 

2015.03

, 

Oral presentation (general)

Experimental Setup for Quantum-Assisted Magnetic Field Sensing Using Isotopically Enriched 12C Diamond

D. Kim, M. Appleton, and K. M. Itoh

第19回「半導体スピン工学の基礎と応用」研究会 (東京大学) , 

2014.12

, 

Poster presentation

Development of Desktop Imaging Device Using Diamond

Y. Miyajima, D. Kim, H. Watanabe, C. Wang, C. Santori, and K. M. Itoh

第19回「半導体スピン工学の基礎と応用」研究会 (東京大学) , 

2014.12

, 

Oral presentation (general)

Evidence of a Perpendicular Magnetocrystallin Anisotropy in a Mn5Ge3 Epitaxial Thin Film Revealed by Ferromagnetic Resonance

A. Truong, A. O. Watanabe, T. Sekiguchi, P. A. Mortemousque, T. Sato, K. Ando, and K. M. Itoh

第19回「半導体スピン工学の基礎と応用」研究会 (東京大学) , 

2014.12

, 

Poster presentation

Growth and Characgterization of Manganese Germanide Epitaxial Layers on Germanium

A. O. Watanabe, A. Truong, T. Sekiguchi, and K. M. Itoh

第19回「半導体スピン工学の基礎と応用」研究会 (東京大学) , 

2014.12

, 

Poster presentation

Silicon Quantum Information Processing

K. M. Itoh

Proceedings of the Forum on the Science and Technology of Silicon Materials 2014 (Hamamatsu, Japan) , 

2014.10

, 

Oral presentation (invited, special)

Strain-Enhanced Diffusion Originated from End-of-Range Defects

T. Isoda, M. Uematsu, and K. M. Itoh

Proceedings of the Forum on the Science and Technology of Silicon Materials 2014 (Hamamatsu, Japan) , 

2014.10

, 

Poster presentation

FZ法によるビスマス添加シリコンバルク単結晶成長とFTR評価

ITOH M KOHEI

第75回応用物理学会秋季学術講演会 (北海道大学) , 

2014.09

, 

Oral presentation (general)

Si同位体周期構造を用いたend-of-range欠陥に起因する歪みによるSi自己拡散増速の観察

ITOH M KOHEI

第75回応用物理学会秋季学術講演会 (北海道大学) , 

2014.09

, 

Oral presentation (general)

ダイヤモンドNVセンターを用いたナノスケールNMR

ITOH M KOHEI

第75回応用物理学会秋季学術講演会 (北海道大学) , 

2014.09

, 

Oral presentation (invited, special)

AI2O3をゲード絶縁膜とした歪みGeMOS構造の電気特性

ITOH M KOHEI

第75回応用物理学会秋季学術講演会 (北海道大学) , 

2014.09

, 

Poster presentation

シリコン量子コンピュータの現状と課題

ITOH M KOHEI

第75回応用物理学会秋季学術講演会 (北海道大学) , 

2014.09

, 

Oral presentation (invited, special)

P Delta-Doping and Control of Its Segregation for Ultrashallow Ohmic Contact on N-Type Ge

M. Yamada, K. Sawano, and K. M. Itoh

18th International Conference on Molecular Beam Epitaxy (MBE 2014) (Flagstaff, USA.) , 

2014.09

, 

Oral presentation (general)

Observation of Si Self-Diffusion Enhanced by the Strain Originated from End-of-Range Defects Using Isotope Multilayers

T. Isoda, M. Uematsu, and K. M. Itoh

The International Conference on Diffusion in Materials 2014 (DIMAT 2014) (Munster, Germany) , 

2014.08

, 

Poster presentation

Silicon Isotope Engineering for Quantum

ITOH M KOHEI

2014 International Silicon Quantum Electronics Workshop (Albuquerque, USA) , 

2014.08

, 

Oral presentation (general)

Quantum transport simulation of statistical variability in nano-scale MOSFETs

N. Mori, G. Mil'nikov, Y. Kamakura, T. Zushi, T. Watanabe, M. Uematsu, and K. M. Itoh

The 6th IEEE International Nanoelectronics Conference (Sapporo, Japan) , 

2014.07

, 

Oral presentation (invited, special)

Semiconductor Isotope Engineering for EPR Quantum Information Processing

K. M. Itoh

56th Rocky Mountain Conference on Magnetic Resonance (Copper Mountain, Colorado, USA) , 

2014.07

, 

Oral presentation (invited, special)

Quantum Sensing Using Negatively Charged Nitrogen-Vacancy Centers in a 5nm-Thin, Isotopically Enriched 12C Diamond CVD Layer

K. M. Itoh, K. Ohashi, T. Rosskopf, A. Dussaux, M. Loretz, Y. Tao, R. Schirhagl, H. Watanabe, J. Ishi-Hayase, T. Ishikawa, S. Shikata, and C. L. Degen

43rd “Jaszowiec” International School and Conference on the Physics of Semiconductors (Wista, Poland.) , 

2014.06

, 

Oral presentation (invited, special)

Formation of Ultrashallow Ohmic Contacts for N-type Ge by P Delta-doping

M. Yamada, K. Sawano, and K. M. Itoh

International SiGe Technology and Device Meeting (ISTDM 2014) (Singapore) , 

2014.06

, 

Poster presentation

Host Isotope Mass Effects on the Hyperfine Interaction of Group V Donors in Silicon

T. Sekiguchi, S. Tojo, R. Mori, A. M. Tyryshkin, J. J. L. Morton, M. L. W. Thewalt, E. Abe, S. Lyon, H. Riemann, N. V. Abrosimov, P. Becker, H.-J. Pohl, J. W. Ager, E. E. Haller, and K. M. Itoh

NMR Quantum Information Processing in Rio (Rio de Janeiro, Brazil.) , 

2013.11

, 

Poster presentation

Silicon NMR Quantum Information Processing

K. M. Itoh and T. Sekiguchi

NMR Quantum Information Processing in Rio (Rio de Janeiro, Brazil.) , 

2013.11

, 

Oral presentation (invited, special)

Semiconductor Isotope Engineering of Silicon and Diamond for Quantum Computation and Sensing

K. M. Itoh

The 2013 International Conference on Solid State Devices and Materials (Fukuoka, Japan) , 

2013.09

, 

Oral presentation (invited, special)

NV Centers in Isotopically Enriched Diamond for Quantum Sensor Application

K. Ohashi, T. Rosskopf, I. Groß, H. Watanabe, S. Tomizawa, J. Iyshi-Haase, T. Ishikawa, K. M. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, S. Shikata, C. L. Degen, and K. M. Itoh

JSAP-MRS Joint Symposia (Kyoto, Japan) , 

2013.09

, 

Oral presentation (invited, special)

Single Nitrogen-Vacancy Centers Places in 5 nm Thick Isotopically Enriched 12C Diamond Layer

K. Ohashi, T. Rosskopf, H. Watanabe, S. Tomizawa, J. Ishi-Hayase, T. Ishikawa, K. M. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, S. Shikata, C. L. Degen, and K. M. Itoh

7th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH VII) (Chicago, USA) , 

2013.08

, 

Poster presentation

Host Isotope Mass Effects on the Hyperfine Interaction of 31P Donor in Silicon

T. Sekiguchi, S. Tojo, R. Mori, E. Abe, K. M. Itoh, A. Tyryshkin, S. Lyon, J. J. L. Morton, M. L. W. Thewalt, H. Rieman, N. V. Abrosimov, P. Becker, and H.-J. Pohl

7th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH VII) (Chicago, USA) , 

2013.07

, 

Poster presentation

The Effect of 29Si Spectral Diffusion on 31P Neutral Donor Nuclear Spins

E. S. Petersen, A. M. Tyryshkin, S. A. Lyon, J. J. L. Morton, S. Tojo, K. M. Itoh, M. L. W. Thewalt, H. Riemann, N. V. Abrosimov, P. Becker, and H. J. Pohl

55th Annual Rocky Mountain Conference on Magnetic Resonance (Denver, USA) , 

2013.07

, 

Oral presentation (general)

Discovery of Photoexcited Spin Triplet Recombination Centers Situating at the Interface of Silicon and Silicon Dioxide

M. Otsuka, T. Matsuoka, L. S. Vlasenko, M. P. Vlasenko, and K. M. Itoh

27th International Conference on Defects in Semiconductors (ICDS 27) (Bologna, Italy) , 

2013.07

, 

Oral presentation (general)

Spin-Dependent Recombination at the SL1 Center in Si

D. P. Franke, F. Hoehne, L. S. Vlasenko, K. M. Itoh, and M. S. Brandt

27th International Conference on Defects in Semiconductors (ICDS 27) (Bologna, Italy.) , 

2013.07

, 

Oral presentation (invited, special)

Coherent Control and Electrical Read out of Nuclear Spins in Silicon Using Electron Spin Pairs

D. P. Franke, L. Dreher, F. Hoehne, M. S. Brandt, L. S. Vlasenko, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Oral presentation (general)

Negatively Charged nitrogen-Vacancy Centers in Ultra-Thin Isotopically Purified 12C Diamond Film

I. Gross, K. Ohashi, T. Rosskopf, H. Watanabe, S. Tomizawa, J. Ishi-Hayase, T. Ishikawa, K. M. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, S. Shikata, C. L. Degen, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

A Hybrid Quantum Computer Architecture

T. Sekiguchi, S. Berger, P. A. Mortemousque, C. Culan, K. M. Itoh, T. Ishikawa, Y. Tabuchi, R. Yamazaki, and Y. Nakamura

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Spin Dependant Recombination Study of Bismuth in Silicon

C. Culan, L. Dreher, F. Hoehne, M. Brandt, P. A. Mortemousque, T. Sekiguchi, R. G. Elliman, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Optimal Working Posints for Electrically Detected Magnetic Resonance of Donors in Silicon

P.-A. Mortemousque, S. Berger, C. Culan, T. Sekiguchi, F. Hoehne, M. S. Brandt, R. G. Elliman, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Negatively Charged Nitrogen-Vacancy Centers Placed in a 5 nm Thick Isotopically Purified 12C Diamond Layer

K. Ohashi, T. Rosskopf, H. Watanabe, S. Tomizawa, J. Ishi-Hayase, T. Ishikawa, K. M. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, S. Shikata, C. L. Degen, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Identification of Photo-Induced Spin Triplet Recombination Centers Situating at Si Surfaces and Si/SiO2 Interfaces

M. Otsuka, T. Matsuoka, L. S. Vlasenko, M. P. Vlasenko, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Study of the Structure of Group IV Based Diluted Magnetic Semiconductors

A. Truong and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Line and Space Patterns Fabricated by Metal Assisted Chemical Etching

M. Yamada and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Fabrication of Sub-10nm Gold Nanoparticles on Si Substrate Using Biotemplate Method

T. Isoda, I. Yamashita, S. Samukawa, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Carrier Density Dependence of Two-Dimensional Hole Gas Mobility in Strained Ge

T. Tanaka, Y. Hoshi, K. Sawano, Y. Shiraki, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Selective Doping of Nitrogen-Vacancy Centers in Diamond Fabricated Using Nitrogen-Doped Chemical Vapor Deposition on Micropatterned Diamond Substrate

T. Gomi, S. Tomizawa, K. Kaneko, K. Ohashi, K. M. Itoh, H. Watanabe, H. Umezawa, S. Shikata, and J. Ishi-Hayase

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Toward Measuring the Quadrupole Effect of Antimony in Silicon

S. Rosenius, P. A. Mortemousque, C. Culan, M. S. Brandt, R. G. Elliman, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Bulk Monocrystal Growth by Floating Zone Method and Bismuth-Doped Silicon

K. Yamada, S. Hyodo, and K. M. Itoh

The 12th Asia Pacific Physics Conferece of AAPPS (Makuhari Messe Chiba, Japan) , 

2013.07

, 

Poster presentation

Non-quilibrium Green's Function Simulation on Effects of Atomic Disorder and Random Discrete Dopant in Si

N. Mori, M. Uematsu, G. Mil'nikov, H. Minari, Y. Kamakura, T. Watanabe, T. Zushi, and K. M. Itoh

2013 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (Seoul, Korea) , 

2013.06

, 

Oral presentation (invited, special)

Growth and Characterization of Isotopically Enriched CVD 12C Films with Well-behaved Near Surface NVs

K. Ohashi, T. Rosskopf, I. Groß, H. Watanabe, S. Tomizawa, J. Ishi-Hayase, T. Ishikawa, K. M. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, S. Shikata, C. L. Degen, and K. M. Itoh

The Workshop on Diamond – Spintornics, Photonics, Bio-applications (Hong Kong) , 

2013.04

, 

Oral presentation (invited, special)

Negatively Charge Nitrogen-vacancy Centers in a 5 nm Thick, Hydrogen-terminated, Isotopically Purified Diamond layer

K. Ohashi, T. Rosskopf, H. Watanabe, S. Tomizawa, J. Ishi-Hayase, T. Ishikawa, K. M. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, S. Shikata, C. L. Degen, and #HK. M. Itoh#H

The Workshop on Diamond – Spintornics, Photonics, Bio-applications (Hong Kong) , 

2013.04

, 

Poster presentation

Site Selective Doping of Nitrogen-Vacancy Centers in Diamond Thin Film Fabricated Using Nitorogen-Doped Chemical Vapor Deposition with Micropatterned Substrate

T. Gomi, S. Tomizawa, K. Ohashi, K. M. Itoh, H. Watanabe, H. Umezawa, S. Shikata, and J. Ishi-Hayase

The Workshop on Diamond – Spintornics, Photonics, Bio-applications (Hong Kong) , 

2013.04

, 

Poster presentation

“Band Engineering of Diamond Towards Magnetometry using NV Centers

K. M. Itoh, J. Ishi-Hayase, H. Watanabe, and S. Shikata

The 11th US-Japan Joint Seminar on Quantum Electronics and Laser Spectroscopy (Nara, Japan) , 

2013.04

, 

Oral presentation (invited, special)

Low Field Magnetic Resonance of Bi Donor Electron and Nuclear Spins in Silicon

T. Sekiguchi, P. A. Mortemousque, C. Culan, M. P. Vlasenko, R. G. Elliman, L. S. Vlasenko, and K. M. Itoh

International Workshop On Silicon Quantum Electronics (Villard-de-Lans, France) , 

2013.02

, 

Oral presentation (general)

Spin Dependent Recombination for Spin Read-Out in Silicon

P. A. Mortemousque, T. Sekiguchi, C. Culan, M. P. Vlasenko, R. G. Elliman, L. S. Vlasenko, and K. M. Itoh

International Workshop On Silicon Quantum Electronics (Villard-de-Lans, France) , 

2013.02

, 

Poster presentation

Group IV Isotope Spintronics

ITOH KOHEI

Sweden-Japan International Workshop on Quantum Nano-Physics and Electronics (QNANO2013) (Tokyo, Japan) , 

2013.01

, 

Oral presentation (invited, special)

界面制御が鍵を握る量子ビットセンサーの開発

ITOH KOHEI

日本学術振興会「半導体界面制御技術第154委員」会第83回研究会 (キャンパスイノベーションセンター(CIC)東京) , 

2012.12

, 

Oral presentation (invited, special)

Group IV Spintronics: Current Status and Future Directions

ITOH KOHEI

8th Handai Nanoscience and Nanotechnology International Symposium (Osaka University, Japan) , 

2012.12

, 

Oral presentation (invited, special)

Semiconductor Isotope Spintronics

ITOH KOHEI

2012 Workshop on Innovative Nanoscale Devices and Systems (WINDS) (Hawaii. USA) , 

2012.12

, 

Oral presentation (invited, special)

Silicon Quantum Information Processing

S. Simmons, K. M. Itoh, J. J. L. Morton

The 27th Quantum Information Technology Symposium (QIT27) (Keio University, Japan.) , 

2012.11

, 

Oral presentation (invited, special)

Nitrogen-Vacancy Centers Introduced during CVD Growth in Isotopically Controlled 12C Diamond Films

K. Ohashi, S. Tomizawa, T. Ishikawa, K.-M C. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, H. Watanabe, S. Shikata, J. Ishi-Hayase, and K. M. Itoh

nternational Union of Materials Research Societies-International Conference on Electronic Materials 2012 (IUMRS-ICEM 2012) (Yokohama, Japan.) , 

2012.09

, 

Poster presentation

窒素-空孔中心がドープされた同位体制御12Ｃダイヤモンド超薄膜の作製と光学特性評価

ITOH KOHEI

第73回応用物理学会学術講演会 (松山大学・愛媛大学) , 

2012.09

, 

Poster presentation

金属アシスト化学エッチングを用いたシリコンナノワイヤの作製

ITOH KOHEI

第73回応用物理学会学術講演会 (松山大学・愛媛大学) , 

2012.09

, 

Poster presentation

フェリチンを用いたシリコン基板上におけるサブ10nm金ナノ粒子の高密度配置

ITOH KOHEI

第73回応用物理学会学術講演会 (松山大学・愛媛大学) , 

2012.09

, 

Poster presentation

3次元アトムプローブ法を用いた同位体ゲルマニウム多層膜界面における平坦性評価

ITOH KOHEI

第73回応用物理学会学術講演会 (松山大学・愛媛大学) , 

2012.09

, 

Poster presentation

ダイヤモンド中の量子スピン状態

ITOH KOHEI

第73回応用物理学会学術講演会 (松山大学・愛媛大学) , 

2012.09

, 

Oral presentation (invited, special)

Electron Spin Echo Envelope Modulation of Photoexcited Triplet States in Silicon

W. Akhtar, T. Sekiguchi, T. Itahashi, L. Vlasenko, and K. M. Itoh

31st International Conference on the Physics of Semiconductors (ICPS 2012) (Zurich, Switzerland) , 

2012.08

, 

Oral presentation (general)

Low-Field Magnetic Resonance Spectroscopy of Ion Implanted Bismuth in Silicon

P. A. Mortemousque, T. Sekiguchi, L. S. Vlasenko, M. P. Vlasenko, R. G. Elliman, and K. M. Itoh

31st International Conference on the Physics of Semiconductors (ICPS 2012) (Zurich, Switzerland) , 

2012.08

, 

Poster presentation

Electron Paramagnetic Resonance of Defects Created by Arsenic and Boron Ion Implantation in Silicon

M. Otsuka, T. Matsuoka, K. M. Itoh, L. S. Vlasenko, and M. P. Vlasenko

31st International Conference on the Physics of Semiconductors (ICPS 2012) (Zurich, Switzerland) , 

2012.07

, 

Poster presentation

Properties of NV Centers in Isotopically Enriched 12C Diamond Films

K. Ohashi, S. Tomizawa, T. Ishikawa, K.-M C. Fu, C. Santori, V. M. Acosta, R. G. Beausoleil, H. Watanabe, S. Shikata, J. Ishi-Hayase, and K. M. Itoh

NanoMRI Conference 2012 (Ascona, Switzerland) , 

2012.07

, 

Poster presentation

Silicon Quantum Computing

ITOH KOHEI

CMOS Emerging Technologies 2012 Conference (Vancouver, Canada) , 

2012.07

, 

Oral presentation (invited, special)

Upper Limit of Two-Dimensional Hole Gas Mobility in Ge/SiGe Heterostructures

Tanaka,Y. Hoshi, K. Sawano, Y. Shiraki, and K. M. Itoh

6th International Silicon-Germanium Technology and Device Meeting (ISTDM 2012) (Berkeley USA) , 

2012.06

, 

Oral presentation (general)

Isotopically controlled semiconductors for spintronics research

ITOH KOHEI

The 9th RIEC International Workshop on Spintronics (Tohoku University, Sendai, Japan) , 

2012.05

, 

Oral presentation (invited, special)

半導体同位体ヘテロ構造を用いたレーザー3次元アトムプローブ法の空間分解能評価

ITOH KOHEI

第59回応用物理学関係連合講演会 (早稲田大学) , 

2012.03

, 

Oral presentation (general)

Ge/SiGeヘテロ構造中に形成される二次元正孔散乱機構の解析

ITOH KOHEI

第59回応用物理学関係連合講演会 (早稲田大学) , 

2012.03

, 

Oral presentation (general)

Triplet electron spin coherence storage with 29Si nuclear spin in silicon

T. Sekiguchi and K. M. Itoh

2012 International Workshop on Silicon Quantum Electronics (Sydney, Australia) , 

2012.02

, 

Oral presentation (general)

Quantum Computing Using Phosphorus Electron Spins, 31P Nuclear Spins, and 29Si Nuclear Spins in Silicon

ITOH KOHEI

The 5th International Workshop on Solid-State Quantum Computing (Hong Kong) , 

2011.12

, 

Oral presentation (invited, special)

Single NV Centers in Isotopically Controlled Diamond Films

ITOH KOHEI

22nd European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes, and Nitrides (Bavaria, Germany) , 

2011.09

, 

Oral presentation (invited, special)

Nitrogen-vacancy centers in an isotopically controlled 12C diamond layer

T. Ishikawa, K.-M. C. Fu, C. Santori, H. Watanabe, Victor Acosta, R. G. Beausoleil, S. Shikata, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

Towards the realization of electron spins confined in nuclear spin free Si/SiGe quantum dots

I. Arikawa, K. Sawano, Y. Hoshi, Y. Shiraki, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan) , 

2011.08

, 

Poster presentation

Computation of deformation potential constants of strained Ge for evaluation of hole spin relaxation time

T. Tanaka, K. Sawano, Y. Hoshi, Y. Shiraki, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan) , 

2011.08

, 

Poster presentation

Detection of paramagnetic recombination centers in 28Si enriched silicon

T. Matsuoka, M. P. Vlasenko, L. S. Vlasenko T. Sekiguchi, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

Electrically Detected Magnetic Resonance Spectroscopy of Arsenic Doped Silicon

E. Sato E. Abe, H. Morishita, W. Akhtar, K. Sawano, Y. Shiraki, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

Host isotope effect on the ENDOR spectra of 31P donor in silicon

T. Sekiguchi, S. Tojo, E. Kawakami, A. Tyryshkin, S. Lyon, J. J. L. Morton, K. M. Itoh, M. L. W. Thewalt, H. Rieman, N. V. Abrosimov, P. Becker, and H.-J. Pohl

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

Spin kinetics and coherence property of photoexcited triplets in silicon

W. Akhtar, V. Filidou, E. Kawakami, T. Sekiguchi, L. S. Vlasenko, J. J. L. Morton, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

Suppression of P Donor Electron Spin Decoherence in 28Si by Using SIFTER Pulse Sequence

E. Kawakami, T. Sekiguchi, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

EPR Study of Bismuth-Implanted Silicon

P. A. Mortemousque, T. Matsuoka, T. Sekiguchi, R. G. Elliman, and K. M. Itoh

6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6) (Matsue, Japan.) , 

2011.08

, 

Poster presentation

Temperature Dependence of Two-Dimensional Hole Gas Mobility in a Strained Ge Quantum Well

T. Tanaka, K. Sawano, Y. Hoshi, Y. Shiraki, and K. M. Itoh

15th conference on Modulated Semiconductor Structures (MSS 15) (Tallahassee, Florida, USA.) , 

2011.07

, 

Poster presentation

Characterization of Phosphorus Donors in Silicon with Low Magnetic Field

H. Morishita and K. M. Itoh

The 53rd Annual Rocky Mountain Conference on Analytical Chemistry (Snowmass, Colorado, USA.) , 

2011.07

, 

Poster presentation

シリコン量子コンピューターを目指して

ITOH KOHEI

一般社団法人ニューダイヤモンドフォーラム平成23年度第1回研究会 (東京大学生産技術研究所) , 

2011.06

, 

Oral presentation (invited, special)

Magnetic resonance studies with isotopically controlled silicon

ITOH KOHEI

2011 The Magnetic Resonance Gordon Research Conference (University of New England, Biddeford, USA) , 

2011.06

, 

Oral presentation (invited, special)

Single Atom Calculation in Silicon

ITOH KOHEI

The 2011 International Meeting for Future of Electron Devices, Kansai (IMFEDK2011) (Kansai University, Osaka, Japan) , 

2011.05

, 

Oral presentation (invited, special)

Self-Assembled Si and Ge Nanostructures on Atomic Straight Si Steps

T. Sekiguchi, and K. M. Itoh

The 2011 Villa Conference on Interaction Among Nanostructures (VCIAN-2011) (Las Vegas, USA) , 

2011.04

, 

Oral presentation (invited, special)

Linewidth of Electrically Detected Magnetic Resonance of Phosphorus Donors in Isotopically Controlled Silicon

H. Morishita, W. Akhtar, E. Abe, L. S. Vlasenko, H. Tanaka, K. Semba, K. Sawano, Y. Shiraki, M. S. Brandt, and K. M. Itoh

International Symposium on Nanoscale Transport and Technology (ASNTT2011) (NTT Atsugi R&D Center) , 

2011.01

, 

Poster presentation

シリコン中のリン不純物における電子スピン－核スピンエンタングルメントの生成と検出

ITOH KOHEI

公開シンポジウム「ナノ量子情報エレクトロニクスの進展」 (東京大学) , 

2010.12

, 

Oral presentation (general)

Pulse ESR Study of Photoexcited Triplet Centers in Silicon

W. Akhtar, E. Kawakami, T. Sekiguchi, T. Itahashi, H. Morishita, L. S. Vlasenko, and K. M. Itoh

公開シンポジウム「ナノ量子情報エレクトロニクスの進展」 (東京大学) , 

2010.12

, 

Poster presentation

Decoherence Mechanisms of Phosphorous Donor Electron Spin in Silicon: Effect of Their Mutual Interactions

E. Kawakami, T. Sekiguchi, and K. M. Itoh

公開シンポジウム「ナノ量子情報エレクトロニクスの進展」 (東京大学) , 

2010.12

, 

Poster presentation

Optically Detected NMR of 31P Nuclear Spin in 28Si

T. Sekiguchi, A. Yang, M. Steger, K. Saeedi, M. E. Hayden, M. L. W. Thewalt, K. M. Itoh, H. Riemann, N. V. Abrosimov, P. Becker, and H. –J. Pohl

公開シンポジウム「ナノ量子情報エレクトロニクスの進展」 (東京大学) , 

2010.12

, 

Poster presentation

Optically Detected NMR of Optically Hyperpolarized 31P Nuclear Spin in 28Si

T. Sekiguchi, A. Yang, M. Steger, K. Saeedi, M. E. Hayden, M. L. W. Thewalt, K. M. Itoh, H. Riemann, N. V. Abrosimov, P. Becker, and H. –J. Pohl

第15回半導体スピン工学の基礎と応用 (PASPS-15) (筑波大学) , 

2010.12

, 

Oral presentation (general)

Spin Coherence Study of a Localized Triplet State in Silicon

W. Akhtar, E. Kawakami, T. Sekiguchi, T. Itahashi, H. Morishita, L. S. Vlasenko, and K. M. Itoh

第15回半導体スピン工学の基礎と応用 (PASPS-15) (東京大学) , 

2010.12

, 

Poster presentation

Oxygen-Vacancy Defect in Silicon Studied by Electron Paramagnetic Resonance with Spin Dependent Recombination

T. Matsuoka, L. S. Vlasenko, and K. M. Itoh

第15回半導体スピン工学の基礎と応用 (PASPS-15) (筑波大学) , 

2010.12

, 

Poster presentation

Decoherence Mechanisms of Phosphorous Donor Electron Spins in Silicon: Effect of Their Mutual Interactions

E. Kawakami, T. Sekiguchi, and K. M. Itoh

第15回半導体スピン工学の基礎と応用 (PASPS-15) (東京大学) , 

2010.12

, 

Poster presentation

Ge Self-Diffusion in Compressively Strained Ge Grown on Relaxed Si0.2Ge0.8

Y. Kawamura, M. Uematsu, K M. Itoh, Y. Hoshi, K. Sawano ,Y. Shiraki, E. E. Haller, and M. Myronov

International Conference on Solid State Devices and Materials 2010 (SSDM2010) (The University of Tokyo, Tokyo, Japan) , 

2010.09

, 

Oral presentation (general)

量子情報の現状と展望

ITOH KOHEI

第71回応用物理学会学術講演会 (長崎大学) , 

2010.09

, 

Oral presentation (invited, special)

Electrical Detection of Cross-Relaxation in Phosphorus Doped γ-Irradiated Silicon

W. Akhtar, H. Morishita, L. S. Vlasenko, and K. M. Itoh

The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI) (University of Tokyo, Japan) , 

2010.08

, 

Poster presentation

Electrical Detection of the Influence of Inhomogeneous Broadening of Phosphorus Donoes in Isotopically Controlled Silicon

M. Morishita, W. Akhtar, L. S. Vlasenko, H. Tanaka, K. Semba, K. Sawano, Y. Shiraki, M. S. Brandt, and K. M. Itoh

The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI) (University of Tokyo, Japan) , 

2010.08

, 

Poster presentation

Highly Sensitive Detection of Magnetic Resonance of Near-Surface Defects in Silicon by Spin-Dependent Recombination Spectroscopy

T. Matsuoka, L. S. Vlasenko, and K. M. Itoh

The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI) (University of Tokyo, Japan) , 

2010.08

, 

Poster presentation

Dynamic Nuclei Polarization of 29Si Nuclei in Silicon by Electron Spin Orientation of Li-O Donoes

M. R. Rahman, L. S. Vlasenko, E. E. Haller, and K. M. Itoh

The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI) (University of Tokyo, Japan) , 

2010.08

, 

Poster presentation

Isotope Effect on Electron Paramagnetic Resonance of Boron in Silicon

A. R. Stegner, H. Tezuka, T. Andlauer, M. L. W. Thewalt, M. Stutzmann, K. M. Itoh, and M. S. Brandt

The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI) (University of Tokyo, Japan) , 

2010.08

, 

Poster presentation

Phosphorus in isotopically purified 28Si

ITOH KOHEI

International Conference on Core Research and Engineering Science of Advanced Materials (Osaka University, Japan) , 

2010.06

, 

Oral presentation (invited, special)

Quantum Manipulation of Electron and Nuclear Spins of Dopants in Silicon

H. Morishita and K. M. Itoh

XIII International Conference on Quantum Optics and Quantum Information (Kyiv, Ukraine) , 

2010.06

, 

Oral presentation (invited, special)

Spectral diffusion of P donors in isotopically-enriched silicon with low 29Si concentrations

A. M. Tyryshkin, S. A. Lyon, S. Tojo, K. M. Itoh, J. J. L. Morton, J. W. Ager, M. L. W. Thewalt, H. Riemann, N. V. Abrosimov, P. Becker, and H.-J. Pohl

APS March Meeting 2010 (Portland, USA) , 

2010.03

, 

Oral presentation (general)

Optically Detected NMR of Optically Hyperpolarized 31P Nuclear Spins in 28Si

A. Yang, M. Steger, T. Sekiguchi, K. Saeedi, M. L. W. Thewalt, K. M. Itoh, H. Riemann, N. V. Abrosimov, P. Becke , and H.-J. Pohl

APS March Meeting 2010 (Portland, USA) , 

2010.03

, 

Oral presentation (general)

Silicon Spintronics for Quantum Information Processing

ITOH KOHEI

6th RIEC International Workshop on Spintronics (Tohoku University, Sendai, Japan) , 

2010.02

, 

Oral presentation (invited, special)

シリコン中の炭素‐酸素欠陥に束縛された励起子のスピン三重項状態からの発光

ITOH KOHEI

第14回半導体スピン工学の基礎と応用(PASPS-14) (慶應義塾大学) , 

2009.12

, 

Poster presentation

Dynamic Nuclear Polarization of 29Si Nuclei using Lithium Donor Electron

M. R. Rahman, L. S. Vlasenko, E. E. Haller, and K. M. Itoh

第14回半導体スピン工学の基礎と応用(PASPS-14) (慶應義塾大学) , 

2009.12

, 

Poster presentation

Electrically Detected Magnetic Resonance of Phosphorus in Irradiated Silicon at Low Magnetic Field

W.Akhtar, H. Morishita, L. S. Vlasenko, D. S. Poloskin, and K. M. Itoh

第14回半導体スピン工学の基礎と応用(PASPS-14) (慶應義塾大学) , 

2009.12

, 

Poster presentation

EPR Study of Boron Acceptors in Silicon Revised

H. Tezuka, A. R. Stegner, T. Andlaue, M. Stutzmann, M. S. Brandt, and K. M. Itoh

第14回半導体スピン工学の基礎と応用(PASPS-14) (慶應義塾大学) , 

2009.12

, 

Poster presentation

Towards Silicon quantum Information Processing

ITOH KOHEI

The International Conference on Quantum Information and Technology (National Institute of Informatics (NII), Tokyo, Japan) , 

2009.12

, 

Oral presentation (invited, special)

Photoluminescence of Erbium Doped Isotopically Controlled Silicon

K. Naito, T. Ishikawa, and K. M. Itoh

International Symposium on Quantum Nanophotonics and Nanoelectronics (Tokyo, Japan) , 

2009.11

, 

Poster presentation

Process Monitoring using Silicon Stable Isotopes as Markers

K. M. Itoh and M. Uematsu

The 26th International Japan-Korea Seminar on Ceramics (つくば) , 

2009.11

, 

Oral presentation (invited, special)

Room-Temperature Observation of Quantum Size Effects in Photoluminescence of Si0.8Ge0.2/Si Nanocolumns Prepared by Neutral Beam Etching

R. Hirano, S. Miyamoto, M. Yonemoto, S. Samukawa, K. Sawano, Y. Shiraki, and K. M. Itoh

International Symposium on Quantum Nanophotonics and Nanoelectronics (Tokyo, Japan) , 

2009.11

, 

Poster presentation

Room-Temperature Photoluminescence Observation of Stacking Fault in 3C-SiC

R. Hirano, M. Tajima, and K. M. Itoh

13th International Conference on Silicon Carbide and Related Materials (Nürnberg, Germany) , 

2009.10

, 

Oral presentation (general)

Probing the Behaviors of Point Defects in Silicon and Germanium Using Isotope Superlattices

M. Uematsu, M. Naganawa, Y. Shimizu, K. M. Itoh, K. Sawano, Y. Shiraki, and E. E. Haller

216th ECS Meeting (Vienna, Austria) , 

2009.10

, 

Oral presentation (general)

室温フォトルミネッセンス法を用いた3C-SiCの積層欠陥の検出

ITOH KOHEI

2009年秋季　第70回応用物理学会学術講演会 (富山大学) , 

2009.09

, 

Oral presentation (general)

シリコン中の格子間炭素‐酸素ペアに束縛された励起子の三重項状態に関する発光測定

ITOH KOHEI

2009年秋季　第70回応用物理学会学術講演会 (富山大学) , 

2009.09

, 

Oral presentation (general)

Ge同位体超格子を用いた砒素イオン注入によるGe原子のミキシング評価

ITOH KOHEI

2009年秋季　第70回応用物理学会学術講演会 (富山大学) , 

2009.09

, 

Oral presentation (general)

シリコン単電子ラチェット転送における振動ポテンシャル障壁を越える共鳴活性化現象

ITOH KOHEI

2009年秋季　第70回応用物理学会学術講演会 (富山大学) , 

2009.09

, 

Oral presentation (general)

塩素中性粒子ビームによる低損傷GaAsのエッチング

ITOH KOHEI

2009年秋季　第70回応用物理学会学術講演会 (富山大学) , 

2009.09

, 

Oral presentation (general)

Host Silicon Isotope Effect on 31P ENDOR Frequencies

ITOH KOHEI

Silicon Qubit Workshop (Berkeley, USA) , 

2009.08

, 

Oral presentation (general)

Quantum Coherence and Manipulation of Phosphorus Electron and Nuclear Spin States in Silicon

ITOH KOHEI

The 25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (invited, special)

Quantum Coherence of Phosphorus Electron and Nuclear Spins in Isotopically Enriched Silicon

S. Tojo, J. J. L. Morton, A. M. Tyryshkin, S. A. Lyon, M. L. W. Thewalt, and K. M. Itoh

Fifth International School and Conference on Spintronics and Quantum Information Technology(SPINTECHⅤ) (Cracow, Poland) , 

2009.07

, 

Oral presentation (general)

Dynamic Nuclear Polarization of 29Si Via Spin S=1 Centers in Isotopically Controlled Silicon

T. Itahashi, H. Hayashi, K. M. Itoh, D. S. Poloskin, L. S. Vlasenko, and M. P. Vlasenko

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (general)

Electron Paramagnetic Resonance of Boron in Silicon Revisited

A. R. Stegner, H. Tezuka, T. Andlauer, K. M. Itoh, and M. S. Brandt,

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (general)

Pulsed and CW Electron Paramagnetic Resonance of Boron in Isotopically Purified 28Si Silicon at Ultra Low Temperature

H. Tezuka, A. M. Tyryshkin, S. Shankar, A. Stegner, M. S. Brandt, S. A. Lyon, and K. M. Itoh

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Poster presentation

Electrically Detected Magnetic Resonance of Phosphorous Due to Spin Dependent Recombination with Triplet Centers in Irradiated Silicon

W. Akhtar, H. Morishita, L. S. Vlasenko, D. S. Poloskin, and K. M. Itoh

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Poster presentation

Photoluminescence from Triplet States of Isoelectronic Bound Excitons at Interstitial-Carbon-Interstitial-Oxygen Defects in Silicon

T. Ishikawa, K. Koga, T. Itahashi, L. S. Vlasenko, and K. M. Itoh

25th International Conference on Defects in Semiconductors (ISDC25), (St Petersburg, Russia) , 

2009.07

, 

Poster presentation

Deactivation Mechanism of Ion-Implanted Arsenic in Germanium

M. Uematsu, M. Naganawa, Y. Shimizu, K. M. Itoh, K. Sawano, Y. Shiraki, and E. E. Haller

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (general)

Electron Paramagnetic Resonance and Dynamic Nuclear Polarization of 29Si Nuclei in Lithium-Doped Silicon

M. R. Rahman, L. S. Vlasenko, and K. M. Itoh

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (general)

Quantitative Evaluation of Germanium Displacement Induced by Arsenic Implantation Using Germanium Isotope Superlattices

Y. Kawamura, Y. Shimizu, H. Oshikawa, M. Uematsu, K. M. Itoh, and E. E. Haller

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (general)

Electrical Detection of Phosphorus Donor Spin States in Isotopically Controlled Silicon

H. Morishita, L. S. Vlasenko, H. Tanaka, K. Semba, K. Sawano, Y. Shiraki, M. Eto, and K. M. Itoh

25th International Conference on Defects in Semiconductors (ISDC25) (St Petersburg, Russia) , 

2009.07

, 

Oral presentation (general)

Identification of Scattering Mechanisms Limiting the Mobility of Two-Dimensional Electron Gas in Si/SiGe Heterostructures

G. Tsuchiya, K. Sawano, Y. Shiraki, and K. M. Itoh

The 18th International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-18) (Kobe, Japan) , 

2009.07

, 

Oral presentation (general)

Geの材料物性-Siとの比較

ITOH KOHEI

応用物理学会分科会シリコンテクノロジー分科会第113回研究集会「ゲートスタック研究の進展-Ge系材料を中心に」「ゲート絶縁薄膜、容量膜、機能膜およびメモリ技術」 (東京大学駒場リサーチキャンパス) , 

2009.06

, 

Oral presentation (invited, special)

Absence of Transient Enhanced Diffusion in Ion-Implanted Ge Investigated by Isotope Superlattices

M. Uematsu, M. Naganawa, Y. Shimizu, K. M. Itoh, K. Sawano, Y. Shiraki, and E. E. Haller

E-MRS 2009 Spring Meeting (Strasbourg, France) , 

2009.06

, 

Oral presentation (general)

シリコン単電子ラチェット転送における少数電子脱出ダイナミクス

ITOH KOHEI

東京大学ナノ量子情報エレクトロニクス研究機構ナノ量子情報エレクトロニクス公開シンポジウム「ナノ，量子，IT融合によるイノベーション創出～ナノ量子情報エレクトロニクス連携研究拠点の新展開～」 (東京大学理学部) , 

2009.04

, 

Poster presentation

シリコン中の等電子発光中心のフォトルミネッセンス測定－ベリリウムペアおよび格子間炭素-格子間酸素ペア－

ITOH KOHEI

東京大学ナノ量子情報エレクトロニクス研究機構ナノ量子情報エレクトロニクス公開シンポジウム「ナノ，量子，IT融合によるイノベーション創出～ナノ量子情報エレクトロニクス連携研究拠点の新展開～」 (東京大学理学部) , 

2009.04

, 

Poster presentation

同位体制御技術とスピン応用

ITOH KOHEI

応用物理学会シリコンテクノロジー分科会第111回研究集会「ナノテクノロジーとスピントロニクス」 (東京工業大学) , 

2009.03

, 

Oral presentation (invited, special)

同位体超格子を用いたSi格子間原子のSi中拡散への寄与の精密化

ITOH KOHEI

第56回応用物理学関係連合講演会 (つくば大学) , 

2009.03

, 

Oral presentation (general)

Resources for Measurement-Based Quantum Carry-Lookahead Adder

A. Trisetyarso, R. Van Meter, and K. M. Itoh

International Symposium on Nanoscale Transport and Technology (Atsugi, Japan) , 

2009.01

, 

Poster presentation

Magnetic-Field Control of the Bell States Formed by Nuclear-Spins and Electron-Spins of Phosphorus in Silicon

H. Morishita, H. Tanaka, K. Semba, L. S. Vlasenko, K. Sawano, Y. Shiraki, M. Eto, and K. M. Itoh

The International Symposium on Nanoscale Transport and Technology (Atsugi, Japan) , 

2009.01

, 

Oral presentation (invited, special)

Phosphorus Donor Spin States under Low Magnetic Field

H. Morishita, H. Tanaka, K. Semba, L. S. Vlasenko, K. Sawano, Y. Shiraki, M. Eto and K. M. Itoh

International Symposium on Nanoscale Transport and Technology (Atsugi, Japan) , 

2009.01

, 

Poster presentation

Optical Emission of Isoelectronic Beryllium Pairs in Silicon toward Quantum Information Processing

T. Ishikawa, K. Yoshizawa, K. Naito, T. Sekiguchi, M. L. W. Thewalt and K. M. Itoh

2008 MRS Fall Meeting (Boston, USA) , 

2008.12

, 

Oral presentation (general)

Electrical Detection of the Bell States of Phosphorus in Silicon

H. Morishita, H. Tanaka, K. Semba, L. S. Vlasenko, K. Sawano, Y. Shiraki, M. Eto and K. M. Itoh

2008 MRS Fall Meeting (Boston, USA) , 

2008.12

, 

Oral presentation (general)

Escape Dynamics of Electrons in a Single-Electron Ratchet Using Silicon Nanowire MOSFETs

S. Miyamoto, K. Nishiguchi, Y. Ono, K. M. Itoh, and A. Fujiwara

2nd IEEE Nanotechnology Materials and Device Conference (Kyoto, Japan) , 

2008.10

, 

Oral presentation (general)

歪みSi/SiGeヘテロ構造における2次元電子ガスの電気輸送特性の評価

ITOH KOHEI

第69回応用物理学会学術講演会 (中部大学) , 

2008.09

, 

Oral presentation (general)

シリコンBeyond CMOS 素子

ITOH KOHEI

第69回応用物理学会学術講演会 (中部大学) , 

2008.09

, 

Oral presentation (general)

過渡的増速拡散中におけるシリコン格子間原子の挙動

ITOH KOHEI

第69回応用物理学会学術講演会 (中部大学) , 

2008.09

, 

Oral presentation (general)

シリコン中リン不純物の低磁場磁気共鳴

ITOH KOHEI

第69回応用物理学会学術講演会 (中部大学) , 

2008.09

, 

Oral presentation (general)

Ge同位体超格子を用いたGe自己拡散と砒素拡散の同時観測によるGe中の拡散機構の解明

ITOH KOHEI

第69回応用物理学会学術講演会 (中部大学) , 

2008.09

, 

Oral presentation (general)

Electrically Detected Electron and Nuclear Spin Resonance of Phosphorus in Silicon

H. Morishita, H. Tanaka, K. Semba, L. S. Vlasenko, K. Sawano, Y. Shiraki, and K. M. Itoh

29th International Conference on the Physics of Semiconductors (Rio de janeiro, Brazil) , 

2008.08

, 

Oral presentation (general)

29Si Nuclear Magnetic Resonance Linewidth and Diffusion in Isotopically Controlled Silicon

H. Hayashi, L. S. Vlasenko, and K. M. Itoh

29th International Conference on the Physics of Semiconductors (Rio de janeiro, Brazil) , 

2008.07

, 

Oral presentation (general)

A Schottky Top-Gated Few Electron Device in a Nuclear Spin Free Si/SiGe Environment

J. Sailer, V. Lang, G. Abstreiter, J. P. Kotthaus, K. M. Itoh, J. W. Ager III, E. E. Haller, S. Ludwig, and D. Bougeard

29th International Conference on the Physics of Semiconductors (Rio de janeiro, Brazil) , 

2008.07

, 

Oral presentation (general)

Nuclear Polarization of Phosphorus Donors in 28Si by Selective Optical Pumping

A. Yang, M. Steger, M. L. W. Thewalt, T. D. Ladd, K. M. Itoh, H. Riemann, N. V. Abrosimov, P. Becker, and H, -J, Pohl

29th International Conference on the Physics of Semiconductors (Rio de janeiro, Brazil) , 

2008.07

, 

Oral presentation (general)

Hall Resistance Overshoot in 2-Dimensional Electron Systems in Si/SiGe

J. Sailer, V. Lang, K. M. Itoh, J. W. Ager III, E. E. Haller, G. Abstreiter, and D. Bougeard

29th International Conference on the Physics of Semiconductors (Rio de janeiro, Brazil) , 

2008.07

, 

Oral presentation (general)

Accurate Determination of the Intrinsic Diffusivities of B, P and As in Si: The Influence of SiO2 Films

Y. Kawamura, M. Naganawa, Y. Shimizu, M. Uematsu, K. M. Itoh, H. Ito, H. Ishikawa, M. Nakamura, and Y. Ohji

MRS International Materials Research Conference (Chongqing, China) , 

2008.06

, 

Oral presentation (general)

Phosphorus Atomic Arraies along Step Edge on Vicinal Si(111) Surfaces

S. C. Huang, Y. Shiren, and K. M. Itoh

MRS International Materials Research Conference (Chongqing, China) , 

2008.06

, 

Oral presentation (general)

Nanoscale Implantation-Induced Mixing and Transient Enhanced Diffusion of Silicon Revealed by Isotope Superlattices

Y. Shimizu, M. Uematsu. K. M. Itoh and A. Takano

EMRS-2008 Spring Meeting (Strasbourg, France) , 

2008.05

, 

Oral presentation (general)

Zeeman Study and Isotope Effect of the Isoelectronic Be2 Center in Si

T. Ishikawa, K. Yoshizawa, T. Sekiguchi, and K. M. Itoh

International Workshop on Materials and Life Science using Nuclear Probes from Heavy-Ion Accelrators (RIKEN Nishina Center, Japan) , 

2008.04

, 

Poster presentation

Silicon Quantum Information Processing

ITOH KOHEI

The 8th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN8) (Komaba Research Campus, the University of Tokyo, Japan) , 

2008.04

, 

Oral presentation (invited, special)

Process Monitoring Using Silicon Isotope Superlattices

K. M. Itoh, Y.Shimizu, and M. Uematsu

The 6th EU-Japan Joint Symposium on Plasma Processing (Okinawa Convention Center, Okinawa, Japan) , 

2008.04

, 

Oral presentation (general)

Electrically Detected Magnetic Resonance of Phosphorus in Silicon

H. Morishita, H. Tanaka, K. Semba, L. V. Vlasenko, K. Sawano, Y. Shiraki, and K. M. Itoh

8th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN8) (Komaba Research Campus, the University of Tokyo, Japan) , 

2008.04

, 

Poster presentation

Photoluminescence Study of the Isoelectronic Be2 Center in Si

T. Ishikawa, K. Yoshizawa, T. Sekiguchi, and K. M. Itoh

8th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN8) (Komaba Research Campus, the University of Tokyo, Japan) , 

2008.04

, 

Poster presentation

Electrically Detected Electron and Nuclear Spin Resonance of Phoshporus in Silicon

H. Morishita, H. Tanaka, K. Semba, L. V. Vlasenko, K. Sawano, Y. Shiraki, and K. M. Itoh

International Workshop on Materials and Life Science using Nuclear Probes from Heavy-Ion Accelrators (RIKEN Nishina Center, Japan) , 

2008.04

, 

Poster presentation

シリコンナノCMOS拡散シミュレータにおける基本モデルの構築

ITOH KOHEI

第55回応用物理学関係連合講演会 (日本大学理工学部船橋キャンパス) , 

2008.03

, 

Oral presentation (general)

More than MooreからBeyond CMOSへ

ITOH KOHEI

科学研究費補助金特定領域研究シリコンナノエレクトロニクスの新展開－ポストスケーリングテクノロジー－弟2回成果報告会 (秋葉原コンベンションホール) , 

2008.03

, 

Oral presentation (invited, special)

シリコン中のリン不純物磁気共鳴の電気的検出

ITOH KOHEI

第55回応用物理学関係連合講演会 (日本大学理工学部船橋キャンパス) , 

2008.03

, 

Oral presentation (general)

シリコン細線MOSFETを用いた単電子ラチェットにおける電子ダイナミクス

ITOH KOHEI

第55回応用物理学関係連合講演会 (日本大学理工学部船橋キャンパス) , 

2008.03

, 

Oral presentation (general)

Nuclear spin diffusion in silicon determined by dynamic nuclear polarization

H. Hayashi, L. S. Vlasenko, and K. M. Itoh

第12回「半導体スピン工学の基礎と応用」研究会（PASPS12） (大阪大学医学部銀杏会館) , 

2007.12

, 

Oral presentation (invited, special)

Silicon Isotope Superlattices: Ideal SIMS Standards for Shallow Junction Characterization

Y. Shimizu, A. Takano, and K. M. Itoh

The 16th International Conference on Secondary Ion Mass Spectrometry (Kanazawa, Ishikawa, Japan) , 

2007.10

, 

Oral presentation (general)

Demonstration of SiGe heterostructures with room-temperature 2DHG drift mobility and carrier density exceeding those of 2DEG

マクシムミロノフ，澤野憲太郎，伊藤公平，白木靖寛

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

Silicon Spintronics

ITOH KOHEI

Handai Nanoscience and Nanotechnology International Symposium (Osaka University, Japan) , 

2007.09

, 

Oral presentation (invited, special)

同位体制御シリコン中ホウ素の電子スピン共鳴（ESR）

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

Si熱酸化における酸化膜中のSi自己拡散促進のシミュレーション

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

シリコン注入および熱処理によるシリコン同位体超格子中のシリコン増速自己拡散の直接的観測

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

Si基板中のB拡散における表面シリコン酸化膜の影響

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

無損傷中性粒子ビームエッチングを用いたSiGe量子ナノディスク積層構造の作製2

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

フォトルミネッセンスを用いたSi中のBe対による等電子トラップの構造解析

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

Si中の等電子Be対トラップによる発光スペクトルにおけるSi同位体効果

ITOH KOHEI

第68回応用物理学会学術講演会 (北海道工業大学) , 

2007.09

, 

Oral presentation (general)

Dynamic Nuclear Polarization of 29Si Nuclei in Phosphorus-Doped Isotopically Controlled Silicon

H. Hayashi, T. Itahashi, K. M. Itoh, L. S. Vlasenko, and M. P. Vlasenko

24th International Conference on Defects in Semiconductors (Albuquerque, USA) , 

2007.07

, 

Oral presentation (general)

Defect Studies for the Development of Nano-Scale Silicon Diffusion Simulators

M. Uematsu, Y. Shimizu, and K. M. Itoh

The 24rd International Conference on Defects in Semiconductors (Albuquerque, USA.) , 

2007.07

, 

Oral presentation (invited, special)

Simultaneous observation of the behavior of impurities and silicon atoms in Si isotope superlattices

Y. Shimizu, A. Takano, M. Uematsu, and K. M. Itoh

24th International Conference on Defects in Semiconductors (Albuquerque, USA) , 

2007.07

, 

Poster presentation

Dynamic and optical nuclear polarization of 29Si nuclei via the photoexcited triplet states of radiation defects in isotopically controlled silicon

T. Itahashi, H. Hayashi, K. M. Itoh, L. S. Vlasenko, M. P. Vlasenko, D. S. Poloskin, and R. Laiho

24th International Conference on Defects in Semiconductors (Albuquerque, USA) , 

2007.07

, 

Poster presentation

Artificial manipulation of the isotopic composition of Ge-Si epitaxial nanostructures

O. Moutanabbir, S. Miyamoto, and K. M. Itoh

5th International Conference on Silicon Epitaxy and Heterostructures (Marseille, France) , 

2007.05

, 

Poster presentation

Anomalous x-ray scattering 3D mapping of strain and composition of Ge/Si shrinking islands during the initial stage of Si overgrowth

O. Moutanabbir, T. Kawamura, S. Miyamoto, S. Kimura, M. Mizumaki, and K. M. Itoh

5th International Conference on Silicon Epitaxy and Heterostructures (Marseille, France) , 

2007.05

, 

Oral presentation (general)

Tuning the luminescence emission of {105}-faceted Ge QDs superlattice using proton implantation and thermal annealing

O. Moutanabbir, A. Sagara, S. Miyamoto, H. Oshikawa, and K. M. Itoh

5th International Conference on Silicon Epitaxy and Heterostructures (Marseille, France) , 

2007.05

, 

Poster presentation

CePt3Siの圧力下における29Si－NMR

ITOH KOHEI

日本物理学会　2007年春季大会 (鹿児島大学) , 

2007.03

, 

Oral presentation (general)

砒素イオン注入による基板シリコン原子ミキシングの加速電圧依存性

ITOH KOHEI

第54回応用物理学関係連合学術講演会 (青山学院大学) , 

2007.03

, 

Oral presentation (general)

Si熱酸化中の界面近傍におけるSi自己拡散の促進

ITOH KOHEI

第54回応用物理学関係連合学術講演会 (青山学院大学) , 

2007.03

, 

Oral presentation (general)

シリコン半導体中のリン不純物核スピンの光学測定

ITOH KOHEI

日本物理学会　2007年春季大会 (鹿児島大学) , 

2007.03

, 

Oral presentation (general)

クラスレート化合物Ba24Ge100の第一原理計算と73Ge-NMR

ITOH KOHEI

日本物理学会　2007年春季大会 (鹿児島大学) , 

2007.03

, 

Oral presentation (general)

無損傷中性粒子ビーム加工を用いたSiGe量子ナノディスク積層構造の作製

ITOH KOHEI

第54回応用物理学関係連合学術講演会 (青山学院大学) , 

2007.03

, 

Oral presentation (general)

歪みGeチャネル/SiGe擬似基板の移動度スペクトル解析

ITOH KOHEI

第54回応用物理学関係連合学術講演会 (青山学院大学) , 

2007.03

, 

Oral presentation (general)

同位体制御Ge/Si(001)ナノ構造における原子組成の定量評価

ITOH KOHEI

第54回応用物理学関係連合学術講演会 (青山学院大学) , 

2007.03

, 

Oral presentation (general)

シリコン量子コンピューターとその可能性

ITOH KOHEI

第6回インテリジェント・ナノプロセス研究会 (東北大学流体科学研究所) , 

2006.12

, 

Oral presentation (invited, special)

Dynamic nuclear polarization of 29Si nuclei via phosphorus center in isotopically controlled silicon

H. Hayashi, T. Itahashi, K. M. Itoh, L. S. Vlasenko, and M. P. Vlasenko

第11回半導体スピン工学の基礎と応用(PASPS-11) (東京大学物性研究所) , 

2006.12

, 

Poster presentation

Dynamic Nuclear Polarization of 29Si Nuclei via the Photoexcited Triplet States of Radiation Defect in Isotropically Controlled Silicon

T. Itahashi, H. Hayashi, K. M. Itoh, L. S. Vlasenko, M. P. Vlasenko, D.S. Poloskin, and R. Laiho

第11回半導体スピン工学の基礎と応用(PASPS-11) (東京大学物性研究所) , 

2006.12

, 

Poster presentation

Subtleties in the Epitaxial Growth of Ge/Si Nanstructures Revealed by Raman Scattering in Combination with Stable Isotopes Tracing

O. Moutanabbir, S. Miyamoto, K. M. Itoh

2nd International Workshop on New Group IV Semiconductor Nanoelectronics (Sendai, Japan) , 

2006.10

, 

Poster presentation

Nanospintronics - New Discovery and Application

ITOH KOHEI

Nanoelectronics Days 2006 (Aachen, Germany) , 

2006.10

, 

Oral presentation (invited, special)

X-ray Spectromicroscopy Mapping of Metal-Induced Ordering of Semiconductor Nanostructures

J. T. Robinson, O. Moutanabbir, F. Ratto, S. Heun, M. Tonezzer, A. Locatelli, O. T. Mentes, L. Aballe, A. Liddl, K. M. Itoh, O. D. Dubon

The 10th ISSP International Symposium on Nanoscience at Surfaces (Kashiwa, Chiba, Japan) , 

2006.10

, 

Poster presentation

Nanodomain Phase Transitions

ITOH KOHEI

The International Technology Roadmap for Semiconductors (ITRS), Emerging Research Logic Devices Workshop (Montreux, Switzerland) , 

2006.09

, 

Oral presentation (invited, special)

Isotopically Controlled Self-Assembled Ge/Si Nanostructures

O. Moutanabbir, S. Miyamoto, A. Fujimoto, and K. Itoh

The 14th International Conference on Molecular Beam Epitaxy (Waseda, Japan) , 

2006.09

, 

Poster presentation

Self-Arranged Nanostructures of Si and Ge Along a Well-Defined Atomic Steps on a Vicinal Si(111)

T. Sekiguchi, S. Yoshida, Y. Shiren, and K. Itoh

The 14th International Conference on Molecular Beam Epitaxy (Waseda, Japan) , 

2006.09

, 

Poster presentation

MBE Growth and Raman Characterization of Silicon Isotope Superlattices

Y. Shimizu, and K. Itoh

The 14th International Conference on Molecular Beam Epitaxy (Waseda, Japan) , 

2006.09

, 

Poster presentation

ナノシリコンの将来像

ITOH KOHEI

ＪＳＴ研究開発戦略センター ナノ・電子情報材料小検討会 (東京) , 

2006.08

, 

Oral presentation (invited, special)

イオン注入によるシリコン原子のミキシングの定量評価

ITOH KOHEI

秋季第67回応用物理学会学術講演会 (立命館大学) , 

2006.08

, 

Oral presentation (general)

Photoluminescence and Photocurrent Detection of an Impurity Nuclear Spin: 31P in Highly Enriched 28Si

M. L. W. Thewalt, A. Yang, M. Steger, D. Karaiskaj, M. Cardona, H. Riemann, N. V. Abrasimov, A. V. Gusev, A. D. Bulanov, A. K. Kaliteevskii, O. N. Godisov, P. Becker, H.-J. Pohl, E. E. Haller, J. W. Ager III, and K. M. Itoh

The 4th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors (Sendai, Japan) , 

2006.08

, 

Oral presentation (invited, special)

Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and 29Si isotopically enriched silicon

L. S. Vlasenko, M. P. Vlasenko, D. S. Poloskin, R. Laiho, H. Hayashi, A. Sagara, and K. M. Itoh

The 4th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors (Sendai, Japan) , 

2006.08

, 

Poster presentation

Dynamic nuclear polarization of 29Si nuclei in isotopically enriched n-type silicon

H. Hayashi, W. Ko, H. Morishita, N. Isogai, A. Sagara, K. M. Itoh, and L. S. Vlasenko

The 4th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors (Sendai, Japan) , 

2006.08

, 

Poster presentation

Condensed Matter Research Towards Silicon Quantum Computing

ITOH KOHEI

CREST/IRS Workshop on the Quantum Information and Computation (Tokyo Insitute of Technology) , 

2006.08

, 

Oral presentation (invited, special)

Self-diffusion of Si at low temperatures (T < 855 C) revealed by annealing and Raman spectroscopy of Si isotope superlattices

Y. Shimizu and K. M. Itoh

The 28th International Conference on Physics of Semiconductors (Vienna, Austria) , 

2006.07

, 

Oral presentation (general)

Self-Assembly of Periodic Nano-Dots of Silicon and Germanium on a Vicinal Silicon (111) Surface

T. Sekiguchi, S. Yoshida1, K. M. Itoh, J. Myslivĕcek, and B. Voigtländer

The 28th International Conference on Physics of Semiconductors (Vienna, Austria) , 

2006.07

, 

Oral presentation (invited, special)

Distributed Arithmetic on a Quantum Multicomputer

R. Van Meter, W. J. Munro, K. Nemoto, and K. M. Itoh

The 33rd Annual International Symposium on Computer Architecture (Boston, USA) , 

2006.06

, 

Oral presentation (general)

Spintronincs – New Discovery and Application

ITOH KOHEI

The Second International Nanotechnology Conference on Communications and Cooperation (INC2) (Washington DC, USA) , 

2006.05

, 

Oral presentation (invited, special)

Silicon Quantum Information Processing

ITOH KOHEI

The XI International Conference on Quantum Optics (ICQO2006) (Minsk, Belarus) , 

2006.05

, 

Oral presentation (invited, special)

Recent Progress Towards Silicon-Based Quantum Computing

ITOH KOHEI

The International Workshop on Solid State Based Quantum Information Processing (QIP2006) (Herrsching, Germany) , 

2006.05

, 

Oral presentation (invited, special)

Si 熱酸化中の界面近傍における酸素ミキシングの促進

ITOH KOHEI

春季第53回応用物理学関係連合講演会 (武蔵工業大学) , 

2006.03

, 

Oral presentation (general)

Si(111)ステップ構造を利用したGeナノ構造制御

ITOH KOHEI

春季第53回応用物理学関係連合講演会 (武蔵工業大学) , 

2006.03

, 

Oral presentation (general)

シリコン同位体超格子を用いた砒素注入時のミキシングのSIMSによる評価

ITOH KOHEI

春季第53回応用物理学関係連合講演会 (武蔵工業大学) , 

2006.03

, 

Oral presentation (general)

Self-Assembly of Prallel Atomic Wires and Periodic Nano-Dots of Silicon and Germanium on a Vicinal Silicon (111) Surface

T. Sekiguchi, S. Yoshida, and K. M. Itoh

MRS Fall Meeting (Boston, USA) , 

2005.11

, 

Oral presentation (invited, special)

Silicon Quantum Computers

ITOH KOHEI

Japan-America Frontiers of Engineering Symposium (San Jose, USA) , 

2005.11

, 

Oral presentation (invited, special)

URu2Si2 の圧力下29Si-NMR

ITOH KOHEI

日本物理学会2005年秋季大会 (同志社大学京田辺キャンパス) , 

2005.09

, 

Oral presentation (general)

Control of Nuclear Spins

ITOH KOHEI

Lecturer at The 3rd International Conference on Spintronics and Quantum Information Technology (Spintech III) (Hyogo, Japan.) , 

2005.08

, 

Oral presentation (invited, special)

Oxidation of Si(001) studied by high-resolution RBS in combination with stable isotope tracing

S. Hosoi, K. Nakajima, M. Suzuki, K. Kimura, Y. Shimizu, S. Fukatsu, K. M. Itoh, M. Uematsu, H. Kageshima, and K. Shiraishi

The 17th International Conference on Ion-Surface Interactions (ISI-2005) (Zvenigorod) , 

2005.08

, 

Oral presentation (invited, special)

Host isotope effect on the localized vibrational modes of oxygen dimers in isotopically enriched silicon

D. Tsurumi, K. M. Itoh and H. Yamada-Kaneta

The 23rd Intl. Conf. on Defects in Semiconductors (Awaji Island, Hyogo, Japan) , 

2005.07

, 

Poster presentation

Isotopic mass dependence of the lattice parameter in silicon determined by measurement of strain-induced splitting of impurity bound exciton transitions

A. Yang, H. J. Lian, and M. L. W. Thewalt, M. Uemura, A. Sagara, K. M. Itoh, E. E. Haller, and S. A. Lyon

The 23rd Intl. Conf. on Defects in Semiconductors (Awaji Island, Hyogo, Japan) , 

2005.07

, 

Oral presentation (general)

Low temperature self-diffusion of silicon determined by Raman scattering of Si isotope superlattices

Y. Shimizu and K. M. Itoh

The 23rd Intl. Conf. on Defects in Semiconductors (Awaji Island, Hyogo, Japan) , 

2005.07

, 

Oral presentation (general)

Effect of silicon nitride capping layers on phosphorus diffusion in thermally formed SiO2

M. Tsuchiya, M. Uematsu and K. M. Itoh

The 23rd Intl. Conf. on Defects in Semiconductors (Awaji Island, Hyogo, Japan) , 

2005.07

, 

Poster presentation

Silicon Nuclear-Spin Quantum Computer

ITOH KOHEI

2005 Silicon Nanoelectronics Workshop (Kyoto, Japan) , 

2005.06

, 

Oral presentation (invited, special)

核スピンシリコン量子コンピュータ

ITOH KOHEI

東工大イノベーション研究推進体量子情報処理デバイス研究会 (東京工業大学) , 

2005.05

, 

Oral presentation (invited, special)

Growth and Characterization of Short-Period Silicon Isotope Superlattices

Y. Shimizu and K. M. Itoh

The Fourth International Conference on Silicon Epitaxy and Heterostructures (ICSI-4) (Hyogo, Japan) , 

2005.05

, 

Poster presentation

Enhanced Si and B Diffusion in Semiconductor-Grade SiO2 and the Effect of Strain on Diffusion

M. Uematsu, H. Kageshima, S. Fukatsu, K. M. Itoh, and K. Shiraishi

The Fourth International Conference on Silicon Epitaxy and Heterostructures (ICSI-4) (Hyogo, Japan) , 

2005.05

, 

Oral presentation (invited, special)

Si Atomic Wire Growth for Quantum Information Processing

K. M. Itoh, S. Yoshida, and T. Sekiguchi

The Fourth International Conference on Silicon Epitaxy and Heterostructures (ICSI-4) (Hyogo, Japan) , 

2005.05

, 

Oral presentation (general)

ナノSiテクノロジー

ITOH KOHEI

IEEE EDS Japan Chapter・電気学会共催「来るべきナノCMOS時代に向けての挑戦とその課題シンポジウム」 (早稲田大学) , 

2005.04

, 

Oral presentation (invited, special)

UGe2 : 高圧下高圧下73Ge Ge-NQR NQR測定

ITOH KOHEI

日本物理学会第60回年次大会 (東京理科大学野田キャンパス) , 

2005.03

, 

Oral presentation (general)

Siの同位体を用いた熱酸化に伴う酸化膜中へのSi放出の観測

ITOH KOHEI

春季第52回応用物理学関係連合講演会 (埼玉大学) , 

2005.03

, 

Oral presentation (general)

シリコン量子コンピュータ

ITOH KOHEI

佐々木シンポジウム (東京大学) , 

2004.12

, 

Oral presentation (invited, special)

Development of NiFe Micro Magnet Stripes for Solid-state NMR Quantum Computing

A. Takahashi, Dong F. Wang, Y. Matsumoto, K. M. Itoh

Smart Materials, Nano-, and Micro-Smart Systems (Sydney, Australia) , 

2004.12

, 

Oral presentation (general)

Development of NiFe micro magnet stripes for solid-state NMR quantum computing

A. Takahashi, Dong F. Wang, Y. Matsumoto, K. M. Itoh

Smart Materials, Nano-, and Micro-Smart Systems (Sydney, Australia) , 

2004.12

, 

Oral presentation (general)

シリコン量子コンピュータ

ITOH KOHEI

量子情報処理シンポジウム (一橋記念講堂) , 

2004.12

, 

Oral presentation (invited, special)

Fabrication of a Regular Array of Atomic Silicon Wires on Silicon

T. Sekiguchi, S. Yoshida, and K. M. Itoh

The Materials Research Society Fall Meeting (Boston, MA, USA) , 

2004.11

, 

Poster presentation

Fabrication of a Regular Array of Atomic Silicon Wires on Silicon

T. Sekiguchi, S. Yoshida, and K. M. Itoh

The Materials Research Society Fall Meeting (Boston, MA, USA) , 

2004.11

, 

Poster presentation

Preparation of the atomically straight step-edge Si (111) substrates as templates for nanostructure formation

S. Yoshida, T. Sekiguchi, and K. M. Itoh

The Materials Research Society Fall Meeting (Boston, MA, USA) , 

2004.11

, 

Poster presentation

Preparation of the Atomically Straight Step-edge Si (111) Substrates as Templates for Nanostructure Formation

S. Yoshida, T. Sekiguchi, and K. M. Itoh

The Materials Research Society Fall Meeting (Boston, MA, USA) , 

2004.11

, 

Poster presentation

多重パルス列によるSiの NMR測定

ITOH KOHEI

日本物理学会秋の分科会 (青森大学) , 

2004.09

, 

Oral presentation (general)

Micromachining of a Permalloy Mesa Structure for All-silicon Quantum Computer

Dong F. Wang, T. Ono, A. Takahashi, Y. Matsumoto, K. M. Itoh, Y. Yamamoto and, M. Esashi,

Proc. the 18th Euro. Conf. on Solid-State Transducers (Eurosensors XVIII) (Roma, Italy) , 

2004.09

, 

Oral presentation (general)

Si酸化膜中のSi自己拡散に対するSiNキャップ堆積法の影響

ITOH KOHEI

秋季第65回応用物理学学術講演会 (東北学院大学) , 

2004.09

, 

Oral presentation (general)

半導体へテロ構造を用いたSiO2中のSi自己拡散のSi/SiO2界面距離依存性の評価

ITOH KOHEI

秋季第65回応用物理学学術講演会 (東北学院大学) , 

2004.09

, 

Oral presentation (general)

シリコン量子コンピュータ

ITOH KOHEI

第42回茅コンファレンス「量子情報処理の物理と技術」 (宮城蔵王ロイヤルホテル) , 

2004.08

, 

Oral presentation (invited, special)

Electron Spin Coherence of Phosphorus Donors in Isotopically Purified 29Si Single Crystals

E. Abe, K. M. Itoh, and J. Isoya

The 3rd International Conference on Physics and Application of Spin Related Phenomena in Semiconductors (Santa Barbara, CA, USA) , 

2004.07

, 

Oral presentation (general)

Silicon Isotope Nanostructures

ITOH KOHEI

The 4th International Conference on Superlattices, Nanostructures, and Nanodevices (Cancun, Mexico) , 

2004.07

, 

Oral presentation (invited, special)

Silicon Quantum Computer

ITOH KOHEI

Plenary Talk, The 27th International Conference on　the Physics of Semiconductors (Flagstaff, Arizona, USA) , 

2004.07

, 

Oral presentation (invited, special)

Si酸化膜中におけるB拡散とSi自己拡散の相関

ITOH KOHEI

応用物理学会Siテクノロジー研究会（電子情報通信学会共催） (?) , 

2004.06

, 

Oral presentation (invited, special)

The Effect of the Si/SiO2 Interface on Boron Diffusion in SiO2

S. Fukatsu, T. Takahashi, K. M. Itoh, M. Uematsu, A. Fujiwara, H. Kageshima, Y. Takahashi, and K. Shiraishi

2004 International Workshop on DIELECTRIC THIN FILMS FOR FUTURE ULSI DEVICES-SCIENCE AND TECHNOLOGY, National Museum of Emerging Science and Innovation (Tokyo, Japan) , 

2004.05

, 

Oral presentation (general)

Enhancement of Si Self-Diffusion by the Existence of B in SiO2

M. Uematsu, H. Kageshima, Y. Takahashi, S. Fukatsu, K. M. Itoh, and K. Shiraishi

2004 International Workshop on DIELECTRIC THIN FILMS FOR FUTURE ULSI DEVICES-SCIENCE AND TECHNOLOGY, National Museum of Emerging Science and Innovation (Tokyo, Japan) , 

2004.05

, 

Oral presentation (general)

Si(111)微斜面の[112]ステップ構造

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

核スピンのコヒーレンス時間

ITOH KOHEI

日本物理学会第59回年次大会 (九州大学) , 

2004.03

, 

Oral presentation (invited, special)

UGe2の73Ge-NMR/NQRによる研究

ITOH KOHEI

日本物理学会第59回年次大会 (九州大学) , 

2004.03

, 

Oral presentation (general)

同位体29Si中のPに束縛された電子スピンの緩和時間の測定

ITOH KOHEI

日本物理学会第59回年次大会 (九州大学) , 

2004.03

, 

Oral presentation (general)

酸化膜中におけるB拡散の酸化膜/Si界面からの距離依存性

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

酸化膜中におけるB拡散の酸化膜/Si界面からの距離依存性

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

Bドープ酸化膜中のSi自己拡散

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

全シリコン量子コンピュータ用NiFeメサ構造の微細加工

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

AFM陽極酸化によるGe量子ドットの配置および形状選択成長

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

Si(111)表面ステップにおける研磨方位と電流方向依存性

ITOH KOHEI

第51回応用物理学関係連合講演会 (東京工科大学) , 

2004.03

, 

Oral presentation (general)

All-Silicon Solid-state Quantum Computer

K. M. Itoh and Y. Yamamoto

Solid State Quantum Information Processing Conference (Amsterdam, The Netherlands) , 

2003.12

, 

Oral presentation (invited, special)

Phonon and Spin Engineering in Silicon

ITOH KOHEI

The Forum on the Science and Technology of Silicon Materials 2003 (Shonan, Japan) , 

2003.11

, 

Oral presentation (invited, special)

Silicon Quantum Computer

ITOH KOHEI

International Conference on Quantum Information (Kyoto, Japan) , 

2003.11

, 

Oral presentation (invited, special)

将来のシリコンウェーハ Si28の可能性-高熱伝導度，高移動度シリコン同位体ウェーハの最新動向-

ITOH KOHEI

第12回半導体プロセスシンポジウム「65mmノードに向けた半導体プロセス技術の最新開発状況」 (?) , 

2003.09

, 

Oral presentation (invited, special)

シリコン核スピン量子操作

ITOH KOHEI

東大セミナー「固体中の量子コヒーレンスと量子計算への展開」 (東京大学) , 

2003.09

, 

Oral presentation (invited, special)

半導体中の不純物や欠陥を用いた量子コンピューティング

ITOH KOHEI

第4回・シリコン材料の科学と技術フォーラム「原子・分子操作を用いた欠陥・ナノ構造の制御」 (?) , 

2003.09

, 

Oral presentation (invited, special)

Growth and Characterization of 28Sin/30Sin Isotope Superlattices

K. M. Itoh, T. Kojima, and Y. Shiraki

The 11th International Conference on Modulated Semiconductor Structures (Nara, Japan) , 

2003.07

, 

Oral presentation (general)

Semiconductor Spintronics

ITOH KOHEI

Discussion Leader, Gordon Conference on Point and Line Defects in Semiconductors (Main, USA) , 

2003.07

, 

Oral presentation (invited, special)

Metal Insulator Transition in Doped Semiconductors

ITOH KOHEI

Workshop on Glassy Transition, Aspen Institute of Physics (Aspen, USA) , 

2003.07

, 

Oral presentation (invited, special)

Local Vibrational Modes of Bond-centerd H in 28Si, 29Si, and 30Si crystals

R. N. Pereira, T. Ohya, K. M. Itoh, and B. Bech Nielsen

The 22nd International Conference on Defects in Semiconductors (Arhus, Denmark) , 

2003.07

, 

Oral presentation (general)

全シリコン量子コンピュータ

ITOH KOHEI

国際高等研・学振・調査委員会「物質科学とシステムデザイン」 (東京) , 

2003.06

, 

Oral presentation (invited, special)

全シリコン量子コンピュータ

ITOH KOHEI

新機能素子研究開発協会量子コンピュータサロン (東京) , 

2003.04

, 

Oral presentation (general)

量子コンピュータ開発のためのナノテクノロジー

ITOH KOHEI

第16回生研学術講演会ナノテクノロジーの進展とエレクトロニクスへの展開 (東京大学生産技術研究所) , 

2003.04

, 

Oral presentation (invited, special)

MBE Growth of Si Isotope Superlattices

T. Kojima, J. Kato, K. M. Itoh, and Y. Shiraki

The 3rd International Conference on SiGe(C) Epitaxy and Heterostructures (Santa Fe, NM, USA) , 

2003.03

, 

Poster presentation

Characterization of MBE Silicon Layers Grown with a Focused Electron Beam Gun and a High Temperature Effusion Cell

ITOH KOHEI

The 3rd International Conference on SiGe(C) Epitaxy and Heterostructures (Santa Fe, NM, USA) , 

2003.03

, 

Poster presentation

The Actual and Projected Availability of Highly Purified Nuclear-Spin-Free Epi-grade Si & Ge, and of Highly Purified Si29

ITOH KOHEI

Workshop on Quantum Information in Group IV Semiconductors (Oxnard, CA, USA) , 

2003.03

, 

Oral presentation (invited, special)

UGe2の73Ge-NMR/NQRによる研究II

ITOH KOHEI

日本物理学会第58回年次大会 (東北大学) , 

2003.03

, 

Oral presentation (general)

シリコン同位体超格子のMBE成長とフォノンの評価

ITOH KOHEI

第50回応用物理学関係連合講演会 (神奈川大学) , 

2003.03

, 

Oral presentation (general)

All-Silicon Quantum Computer

ITOH KOHEI

Gordon Research Conference on Quantum Information Science (Ventura, CA, USA) , 

2003.03

, 

Poster presentation

ナノテクノロジーにもとづく量子コンピュータ開発

ITOH KOHEI

JAPAN NANO2003（第一回ナノテクノロジー総合シンポジウム） (東京ファッションタウン) , 

2003.02

, 

Oral presentation (invited, special)

シリコン量子コンピューター

ITOH KOHEI

日本応用磁気学会第134回研究会「スピンエレクトロニクスの現状と将来」 (?) , 

2003.01

, 

Oral presentation (invited, special)

Materials Engineering Towards Realization of an All Silicon Quantum Computer

T. Sekiguchi, Y. Matsumoto, and K. M. Itoh

Materials Research Society Fall Meeting (Boston, USA) , 

2002.12

, 

Oral presentation (general)

Materials Science Education at Keio University: Adopting U. S. Instruction Practices in Japan

ITOH KOHEI

Materials Research Society Fall Meeting (Boston, USA.) , 

2002.12

, 

Oral presentation (invited, special)

半導体中の電子はどのように遍歴化するか?：モット・アンダーソン転移の臨界指数

ITOH KOHEI

佐々木シンポジウム (東京大学物性研究所) , 

2002.11

, 

Oral presentation (invited, special)

半導体表面・界面同位体工学

ITOH KOHEI

第22回表面科学講演大会 (早稲田大学) , 

2002.11

, 

Oral presentation (invited, special)

量子コンピュータの実現に向けた課題

ITOH KOHEI

久保記念シンポジウム (東京理科大学) , 

2002.09

, 

Oral presentation (invited, special)

Comparison of the Effects of the Doping-Compensation and Magnetic-Field on the Metal-Insulator Transition of Ge:Ga

K. M. Itoh, M. Watanabe, Y. Ootuka, and E. E. Haller

LOCALISATION2002, International Conference on Quantum Transport and Quantum Coherence (Sophia University, Tokyo, Japan) , 

2002.08

, 

Oral presentation (general)

Far-Infrared Spectroscopy of Coulomb Gap in Compensated Semiconductors

J. Kato and K. M. Itoh

LOCALISATION2002, International Conference on Quantum Transport and Quantum Coherence (Sophia University, Tokyo, Japan) , 

2002.08

, 

Poster presentation

Origin of forbidden modes in Raman spectra of Ge isotope superlattices

K Morita, K M Itoh, M Nakajima, K Mizoguchi, Y Shiraki, and E E Haller

26th International Conference on the Physics of Semiconductors (Edinburgh, England) , 

2002.07

, 

Poster presentation

Host Isotope Effect on the Local Vibrational Modes of Oxygen in Isotopically Enriched 29Si and 30Si Single Cristals

J. Kato, K. M. Itoh, and H. Yamada-Kaneta

Gordon Research Conference on Point and Line Defects in Semiconductors (Colby-Sawyer College, New Hampshire, USA) , 

2002.07

, 

Poster presentation

The Host Isotope Effect on the Local Vibrational Modes of Oxygen in Isotopically Enriched Crystalline 29Si

J. Kato, K. M. Itoh, H. Yamada-Kaneta, and H.-J. Pohl

26th International Conference on the Physics of Semiconductors (Edinburgh, England) , 

2002.07

, 

Poster presentation

Solid-State Silicon NMR Quantum Computer

E. Abe, K. M. Itoh, T. D. Ladd, J. R. Goldman, F. Yamaguchi, and Y. Yamamoto

2nd International Conference on Physics and Application of Spin Related Phenomena in Semiconductors (Wuerzburg, Germany) , 

2002.07

, 

Oral presentation (general)

Semiconductor Spintronics

ITOH KOHEI

discussion leader, Gordon Research Conference on Point and Line Defects in Semiconductors (Colby-Sawyer College, New Hampshire, USA) , 

2002.07

, 

Oral presentation (invited, special)

半導体核スピン量子コンピューティング

ITOH KOHEI

第21回電子材料シンポジウム(EMS-21) (伊豆長岡) , 

2002.06

, 

Oral presentation (invited, special)

Phonon Engineering Based on Ge Isotope Superlattices

K. M. Itoh and K. Morita

The 2nd International Workshop on New Group IV (Si-Ge-C) Semiconductors (Kofu, Yamanashi, Japan) , 

2002.06

, 

Oral presentation (invited, special)

Phonon Engineering Based on Ge Isotope Superlattices

ITOH KOHEI

International Workshop on New Group IV (Si-Ge-C) Semiconductors (Kofu, Japan.) , 

2002.06

, 

Oral presentation (general)

Self-Diffusion of Si in Thermally Grown Amorphous SiO2

S. Fukatsu, T. Takahashi, K. M. Itoh, M. Uematsu, A. Fujiwara, H. Kageshima, Y. Takahashi, and K. Shiraishi

The 44TH ELECTRONIC MATERIALS CONFERENCE (Santa Barbara, California. USA.) , 

2002.06

, 

Oral presentation (general)

核スピン量子ビット

伊藤公平

電子情報通信学会電子 デバイス量子情報技術研究会「量子情報処理--その実現にむけて」 (東京・機械振興会館) , 

2002.03

, 

Oral presentation (invited, special)

　View Summary

核スピンを用いた量子計算の形態を解説した

An all silicon quantum computer

E. Abe, K. M. Itoh, T. D. Ladd, J. R. Goldman, F. Yamaguchi and Y. Yamamoto

The 7th Symposium on the Physics and Application o Spin-Related Phenomena in Semiconductors (Tokyo Institute of Technology, Yokohama, Japan) , 

2001.12

, 

Oral presentation (general)

　View Summary

シリコンを利用した量子コンピュータの新しい形態を開発した．

全シリコン量子コンピューティング

ITOH KOHEI

第5回量子情報技術研究会 (NTT厚木研究開発センタ) , 

2001.11

, 

Oral presentation (general)

Optical and Electrical Characterization of Free Standing3C-SiC Films Grown on Undulant 6-inch Si Substrates

T. Yamada and K. M. Itoh

International Conference on Silicon Carbide and Related Materials (Tsukuba, Japan) , 

2001.11

, 

Oral presentation (general)

　View Summary

iCの光評価を行った．

Self-Diffusion of Si in SiO2 under Equilibrium Condition

T. Takahashi, S. Fukatsu, K. M. Itoh, S. Uematsu, A. Fujiwara, H. Kageshima, Y. Takahashi and K. Shiraishi

The Forum on Science and Technology of Silicon Materials (Shonan Village Center) , 

2001.11

, 

Poster presentation

　View Summary

シリコン酸化膜中のシリコンの自己拡散について解説した．

Lacal Vibrational Mode in Isotopically Enriched 29Si

J. Kato, K. M. Itoh, and H. Kaneta

The Forum on Science and Technology of Silicon Materials (Shonan Village Center) , 

2001.11

, 

Poster presentation

　View Summary

同位体シリコン中の酸素の局在振動に関して論じた．

全シリコン量子コンピューティング

阿部英介，伊藤公平，T. Ladd，J. Goldman，山口文子，山本喜久

応用電子物性分科会究例会「スピントロニクスの最前線」 (機械振興会館) , 

2001.10

, 

Oral presentation (invited, special)

　View Summary

シリコンを利用した量子コンピュータの新しい形態を開発した．

半導体核スピン量子コンピューティング

伊藤公平

応用物理学会応用電子物性分科会研究例会 (東京) , 

2001.10

, 

Oral presentation (invited, special)

　View Summary

核スピンを用いた量子計算の形態を解説した．

シリコンNMR量子コンピューティング

伊藤公平

東北大学通研研究会・大規模量子コンピュータの実現に向けて (東北大学電気通信研究所) , 

2001.09

, 

Oral presentation (general)

　View Summary

シリコンを利用した量子コンピュータの新しい形態を開発した．

Si酸化膜(SiO2)中のSi自己拡散

高橋智紀，深津茂人，伊藤公平，植松真司，藤原聡，影島博之，高橋庸夫，白石賢二

2001年秋季応用物理学会学術講演会 (愛知工業大学) , 

2001.09

, 

Oral presentation (general)

　View Summary

Si酸化膜(SiO2)中のSi自己拡散に関する詳細な測定を行った．

半導体中・イオン化不純物分布のRandom-to-Correlated転移

加藤治郎，伊藤公平，金田寛

日本物理学会2001年　秋季大会 (徳島文理大学) , 

2001.09

, 

Oral presentation (general)

　View Summary

イオン化不純物の分布に関して論じた．

29Si結晶中の酸素原子局在振動

加藤治郎，伊藤公平，金田寛

日本物理学会2001年　秋季大会 (徳島文理大学) , 

2001.09

, 

Oral presentation (general)

　View Summary

同位体シリコン中の酸素の局在振動に関して論じた．

70Ge/76Ge同位体ヘテロ構造中のフォノン・ラマン散乱

森田健，伊藤公平，中島誠，播磨弘，溝口幸司，白木靖寛

日本物理学会2001年　秋季大会 (徳島文理大学) , 

2001.09

, 

Oral presentation (general)

　View Summary

白木靖寛同位体へテロ構造中のフォノンによるラマン散乱を論じた．

半導体核スピン量子ビット

伊藤公平

日本物理学会2001年秋季大会 (徳島文理大学) , 

2001.09

, 

Oral presentation (invited, special)

　View Summary

核スピンを用いた量子計算の形態を解説した．

Raman Spectra of 70Ge/76Ge Isotope Heterostructures with Argon 488nm and 514.5nm Excitations

K. Morita, K. M. Itoh, M. Nakajima, H. Harima, K. Mizoguchi, Y. Shiraki and E. E. Haller

The 10th International Conference on Phonon Scattering in Condensed Matter (New Hampshire, USA) , 

2001.08

, 

Poster presentation

Correlated to Random transition of Ionized Impurity Distribution in n-Type Ge:(As;Ga)

J. Kato, K. M. Itoh and E. E. Haller

International Conference on Defects in Semiconductors (Gissen, Germany) , 

2001.07

, 

Poster presentation

　View Summary

半導体中のドナーとアクセプタ不純物の分布が相関をもつものからランダムになることを強く示唆する実験結果を初めて観測した．

Spintronic Devices Based on Isotopically Engineered Semiconductors

K. M. Itoh and E. Abe

The 1st International Conference on Spintronics and Quantum Information Technology (Maui, Hawaii) , 

2001.05

, 

Oral presentation (general)

半導体核スピンデバイス

伊藤公平

2001年春季　応用物理学関係連合講演会 (明治大学) , 

2001.03

, 

Oral presentation (invited, special)

同時ドーピングされた半導体中の電荷分布

加藤治郎、伊藤公平

2001年春季　応用物理学関係連合講演会 (明治大学) , 

2001.03

, 

Oral presentation (general)

n型4H-および6H-SiC中の電子移動度に関する理論的解析

伊藤公平、岩田一紗臣

SiC及び関連ワイドギャップ半導体研究会第9回講演会 (名古屋国際会議場) , 

2000.12

, 

Oral presentation (invited, special)

半導体スピンを用いた量子コンピューティング

伊藤公平

第15回「大学と科学」公開シンポジウム (大阪・千里ライフサイエンスセンター) , 

2000.11

, 

Oral presentation (invited, special)

Electric Field Broadening of Arsenic Donor States in Strongly Compensated N-Type Ge:(As, Ga)

J. Kato, K. M. Itoh, and E. E. Haller

The 9th International Conference on Shallow Level Centers in Semiconductors (Awajishima, Japan) , 

2000.09

, 

Poster presentation

Isotopically Engineered Semiconductors - New Media for the Investigation of Nuclear Spin Related Effects in Solids

K. M. Itoh and E. E. Haller

The International Conference on the Physics and Application of Spin-Related Phenomena in　Semiconductors (Sendai, Japan.) , 

2000.09

, 

Oral presentation (general)

First- and Second-Order Raman Spectroscopy of 70Gen/76Gen Isotope Superlattices

K. Morita, K. M. Itoh, M. Nakajima, H. Harima, K. Mizoguchi,Y. Shiraki, and E. E. Haller

The 25th International Conference on Physics of Semiconductors (Osaka, Japan) , 

2000.09

, 

Poster presentation

Critical Exponents for the Metal-Insulator Transition of 70Ge:Ga in Magnetic Field

M. Watanabe, K. M. Itoh, M. Morishita, Y. Ootuka, and E. E. Haller

The 25th International Conference on Physics of Semiconductors (Osaka, Japan) , 

2000.09

, 

Poster presentation

Metal-Insulator Transition in Doped Semiconductors

K. M. Itoh

The 25th International Conference on Physics of Semiconductors (Osaka, Japan.) , 

2000.09

, 

Oral presentation (invited, special)

28Si単結晶-次世代ウエハー材料としての展望-

伊藤公平

日本結晶成長学会バルク成長分科会第45回研究会 (長野市) , 

2000.05

, 

Oral presentation (invited, special)

同位体分離による高熱伝導度シリコン単結晶とその応用

伊藤公平

応用物理学会分科会・シリコンテクノロジー (青山学院大学) , 

2000.04

, 

Oral presentation (invited, special)

6インチSi上に成長された高品質3C-SiC単結晶の電気・光学的特性

山田利通、阿部英介、伊藤公平

春季応用物理学関係連合講演会 (青山学院大学) , 

2000.03

, 

Oral presentation (general)

磁場中における70Ge:Gaの金属-絶縁体転移点近傍での広域ホッピング伝導

渡部道生、伊藤公平、大塚洋一

日本物理学会春の分科会 (関西大学) , 

2000.03

, 

Oral presentation (general)

半導体を用いた金属-絶縁体転移の実験からわかったこと

伊藤公平

日本物理学会春の分科会 (関西大学) , 

2000.03

, 

Oral presentation (general)

六法晶SiCの電子伝導に関する理論的研究

岩田一紗臣、伊藤公平

春季応用物理学関係連合講演会 (青山学院大学) , 

2000.03

, 

Oral presentation (general)

Fz法による高純度28Si同位体単結晶の成長と評価

田久賢一郎、伊藤公平

春季応用物理学関係連合講演会 (青山学院大学) , 

2000.03

, 

Oral presentation (general)

Si1-xGex中の13C不純物局在振動ラマン分光

森田健、伊藤公平、L. Hoffmann, B. Bech Nielsen、溝口幸司、播磨弘

春季応用物理学関係連合講演会 (青山学院大学) , 

2000.03

, 

Oral presentation (general)

N型Ge(As,Ga)の遠赤外不純物スペクトル

加藤治郎、伊藤公平

日本物理学会秋の分科会 (岩手大学) , 

1999.09

, 

Oral presentation (general)

70Gen/74Gen同位体超格子中のフォノン

森田健、伊藤公平、武藤準一郎、溝口幸司、宇佐美徳隆、白木靖寛

日本物理学会秋の分科会 (岩手大学) , 

1999.09

, 

Oral presentation (general)

Hopping Conduction Near Metal-Insulator Transition in Ge:Ga

K. M. Itoh

The 8th International Conference on Hopping and Related Phenomena, (Murcia, Spain) , 

1999.09

, 

Oral presentation (invited, special)

Growth and Characterization of 70Gen/74Gen Isotope Superlattices

K. Morita, K. M. Itoh, J. Muto, K. Mizoguchi, N.Usami, Y. Shiraki, and E. E. Haller

International Joint Conference on Silicon Epitaxy and Heterostructures (Zao, Miyagi, Japan) , 

1999.09

, 

Poster presentation

Scaling Analysis of the Low Temperature Conductivity in Neutron-Transmutation-Doped 70Ge:Ga

K. M. Itoh, M. Wataanbe, Y. Ootuka, and E. E. Haller

International Conference on LOCALIZATION 1999-Disorder and Interaction in Transport Phenomena (Hamburg, Germany) , 

1999.07

, 

Oral presentation (invited, special)

半導体（Ge:Ga,As）におけるコヒーレントフォノンの偏光特性

中島誠、溝口幸司、中島信一、伊藤公平

日本物理学会第54回年会 (広島大学) , 

1999.03

, 

Oral presentation (general)

半導体（Ge:Ga,As）におけるコヒーレントフォノンの偏光特性

中島誠、溝口幸司、中島信一、伊藤公平

日本物理学会第54回年会 (広島大学) , 

1999.03

, 

Oral presentation (general)

絶縁体70Ge:Gaにおける局在長の臨界指数

渡部道生、島田宏、大塚洋一、伊藤公平

日本物理学会第54回年会 (広島大学) , 

1999.03

, 

Oral presentation (general)

GaMnAs薄膜の光吸収測定

加藤治郎、伊藤公平、武藤準一郎、A. Shen，松倉文礼、大野英男、勝本信吾

春季応用物理学関係連合講演会 (東京理科大学) , 

1999.03

, 

Oral presentation (general)

70Gen/74Gen同位体超格子の作製とその評価

森田健、伊藤公平、武藤準一郎、溝口幸司、宇佐美徳隆、白木靖寛

春季応用物理学関係連合講演会 (東京理科大学) , 

1999.03

, 

Oral presentation (general)

Magneto-Reflectance Study of GaMnAs Thin Films

J. Kato, K. M. Itoh and J. Muto

The 4th symposium on the physics and application of spin-related phenomena in semiconductors (Sendai, Japan) , 

1998.12

, 

Oral presentation (general)

Metal-Insulator Transition in Ge:Ga

ITOH KOHEI

Workshop on Anderson Transition and Quantum Transport (Tokyo, Japan) , 

1998.11

, 

Oral presentation (invited, special)

Theoretical Models for the Electron Drift and Hall Mobility in N-Type 4H- and 6H-SiC

K. M. Itoh, T. Kinoshita, J. Muto, M. Schadt, and G. Pensl

Intnl. Conf. Solid State Devices and Materials (Hiroshima, Japan) , 

1998.09

, 

Oral presentation (general)

六方晶SiC中の電子移動度とHall係数に関する理論的研究

ITOH KOHEI

1998年春季応用物理学関係連合講演会 (東京工科大学) , 

1998.09

, 

Oral presentation (general)

P型SiCの赤外領域吸収測定

ITOH KOHEI

1998年秋季応用物理学学術講演会 (広島大学) , 

1998.09

, 

Oral presentation (general)

28Si/30Si同位体超格子の電子移動度

ITOH KOHEI

1998年秋季応用物理学学術講演会 (広島大学) , 

1998.09

, 

Oral presentation (general)

GaMnAs膜の磁場中における可視領域反射測定

ITOH KOHEI

1998年秋季応用物理学学術講演会 (広島大学) , 

1998.09

, 

Oral presentation (general)

磁場中における70Ge:Gaの金属-絶縁体転移

ITOH KOHEI

1998年日本物理学会秋の分科会 (沖縄国際大学) , 

1998.09

, 

Oral presentation (general)

Ge:GaのMI転移臨界領域における電気伝導

ITOH KOHEI

1998年日本物理学会秋の分科会 (沖縄国際大学) , 

1998.09

, 

Oral presentation (general)

Defect Studies Using Isotopically Engineered Semiconductors

ITOH KOHEI

The Asian Science Seminar on Physics and Control of Defects in Semiconductors (Osaka, Japan) , 

1998.03

, 

Oral presentation (invited, special)

Nuclear Spin Control by Isotope Engineering of Smiconductors

K. M. Itoh, K. Morita, N. Usami, and Y. Shirki

The 3rd Symposium on the Physics and Application of Spin-Related Phenomena in Semiconductors (Sendai, Japan) , 

1997.11

, 

Oral presentation (general)

Ge:Ga試料の金属ー絶縁体転移近傍における遠赤外反射測定

ITOH KOHEI

1997年日本物理学会秋の分科会 (神戸大学) , 

1997.09

, 

Oral presentation (general)

70Ge:Gaにおける広域ホッピング伝導

ITOH KOHEI

1997年日本物理学会秋の分科会 (神戸大学) , 

1997.09

, 

Oral presentation (general)

ラマン散乱による6インチ3C-SiC/Siの応力と歪みの評価

ITOH KOHEI

1997年春季応用物理学関係連合講演会 (日本大学) , 

1997.03

, 

Oral presentation (general)

金属ー絶縁体転移点近傍におけるGe:Ga中の電気伝導 II

ITOH KOHEI

1997年日本物理学会第52回年会 (名城大学) , 

1997.03

, 

Oral presentation (general)

金属ー絶縁体転移点近傍におけるGe:Ga中の電気伝導 I

ITOH KOHEI

1997年日本物理学会第52回年会 (名城大学) , 

1997.03

, 

Oral presentation (general)

補償された半導体の物性: キャリアのイオン化不純物による散乱について

ITOH KOHEI

1997年春季応用物理学関係連合講演会 (日本大学) , 

1997.03

, 

Oral presentation (general)

異方性有効質量を持つ4H-及び6H-SiCの移動度の解析

ITOH KOHEI

1997年春季応用物理学関係連合講演会 (日本大学) , 

1997.03

, 

Oral presentation (general)

半導体中の2価の中性不純物によるキャリアの散乱

ITOH KOHEI

1996年日本物理学会秋の分科会 (山口大学) , 

1996.09

, 

Oral presentation (general)

Neutron Transmutation Doped Germanium　Thermistors for Sub-mm Bolometer Application

E. E. Haller, K. M. Itoh, and J. W. Beeman

The 30th ESLAB Symposium (Nordwijk, The Netherland) , 

1996.09

, 

Oral presentation (general)

強く補償された半導体中のイオン化不純物によるキャリアの散乱 II

ITOH KOHEI

1996年日本物理学会秋の分科会 (山口大学) , 

1996.09

, 

Oral presentation (general)

Hopping Conduction and Metal- Insulator Transition in Isotopically Enriched Neutron Transmutation Doped 70Ge:Ga

K. M. Itoh, E. E. Haller, L. A. Reichertz, E. Kreysa, T. Shutt, A. Cummings, W. Stockwell, B. Sadoulet, J. Muto, J. W. Farmer, and V. I. Ozhogin

Intnl. Conf. Electron Localization and Quantum Transport in Solids (Jaszowiec, Poland) , 

1996.08

, 

Oral presentation (general)

半導体同位体工学

ITOH KOHEI

第33回理工学における同位体元素研究発表会 (東京，国立教育会館) , 

1996.07

, 

Oral presentation (general)

不純物ドーピングによるp型半導体の金属ー絶縁体転移

ITOH KOHEI

1996年日本物理学会第51回年会 (金沢大学) , 

1996.03

, 

Oral presentation (general)

高感度NTD Geボロメータの開発

ITOH KOHEI

サブミリ波検出技術に関するワークショップ (国立野辺山天文台) , 

1996.03

, 

Oral presentation (general)

赤外線吸収を用いた半導体内補償比の決定法

ITOH KOHEI

1996年春季応用物理学関係連合講演会 (東洋大学) , 

1996.03

, 

Oral presentation (general)

強く補償された半導体中のイオン化不純物によるキャリアの散乱

ITOH KOHEI

1996年日本物理学会第51回年会 (金沢大学) , 

1996.03

, 

Oral presentation (general)

Neutron Transmutation Doped Isotopically Controlled Ge Thermistors

K. M. Itoh, S. M. Grannan, P. L. Richards, J. W. Farmer, V. I. Ozhogin, J. Muto, and E. E. Haller

International Workshop on Novel Terahertz Technology (Kobe, Japan) , 

1995.11

, 

Oral presentation (general)

Cd1-x-yMnxFeyTeの高温におけるスピングラス様磁性

ITOH KOHEI

1995年日本物理学会秋の分科会 (大阪府立大学) , 

1995.09

, 

Oral presentation (general)

半磁性半導体Cd1-xMnxTeの光誘起磁化の組成依存性

ITOH KOHEI

1995年日本物理学会秋の分科会 (大阪府立大学) , 

1995.09

, 

Oral presentation (general)