Kamihara, Yoichi

写真a

Affiliation

Faculty of Science and Technology, Department of Applied Physics and Physico-Informatics (Yagami)

Position

Professor

E-mail Address

E-mail address

Related Websites

External Links

Profile Summary 【 Display / hide

  • Our primary purpose is discovery of new superconductors (e. g. MgB2, iron-based oxypnictide, cuparate). An approach to the purpose is improvements of sample synthesis procedures using solid state reaction & characterization of inorganic materials. We focus on a relation between crystallographic “local” structures (a factor of hyperfine structures) and electronic and/or magnetic structures of homogeneous crystals. This approach is the most reliable way to demonstrate new electronic materials.

Career 【 Display / hide

  • 2005.04
    -
    2008.09

    Japan Science and Technology Agency, HOSONO Transparent ElectroActive Materials, ERATO-SORST, Researcher

  • 2008.10
    -
    2010.03

    Tokyo Institute of Technology, Materials and Structures Laboratory, Tokyo Tech Postdoctoral Fellow

  • 2008.10
    -
    2010.03

    Japan Science and Technology Agency, Transformative Research-project on Iron pnictides (TRIP), Researcher (PRESTO-type)

  • 2010.04
    -
    2011.03

    慶應義塾大学, 理工学部物理情報工学科, 2年J組担任

  • 2010.04
    -
    2012.03

    Keio University, Department of Applied Physics and Physico-Informatics, Faculty of Science and Technology, Assistant Professor

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Academic Background 【 Display / hide

  • 1995.03

    東京都立町田高校, 全日制, 普通科

    Other, Graduated

  • 2000.03

    Keio University, Faculty of Science and Engineering, Department of Applied Physics and Physico-Informatics

    University, Graduated

  • 2005.03

    Keio University, Graduate School of Science and Technology, School of Fundamental Science and Technology

    Graduate School, Completed, Doctoral course

Academic Degrees 【 Display / hide

  • Ph. D. in Engineering, Keio University, Coursework, 2005.03

 

Research Areas 【 Display / hide

  • Condensed matter physics II (Physical Properties II)

Research Keywords 【 Display / hide

  • Solid state physics

  • Inorganic materials

  • phase transition

  • magnetism

  • superconductivity

Research Themes 【 Display / hide

  • Japan Science and Technology Agency (JST), Basic Research Programs, Transformative Research-project Iron Pnictides, "Study of Electronic Phase Diagram for Iron Pnictide Superconductors", 

    2008
    -
    2011

     View Summary

    鉄系高温超電導体のうち, もっとも高いTcをゆうするSmFeAsO1-xFxの電子状態磁気状態相図を完成させた. また,SmFeAsO1-xFx (Sm-1111)を使用した超伝導線材をPowder in tube (PIT)法により作製し, Sm-1111を使用した内では世界最高の臨界電流密度(Jc)を実現した.

 

Books 【 Display / hide

  • "Superconductivity in Iron Oxypnictide Induced by F-Doping" in "Photonic and Electronic Properties of Fluoride Materials" edited by Alain Tressaud and Kenneth R. Poeppelmeier, Chapter 19, Section 1-4, pp. 423-446.

    Y. Kamihara, H. Hosono, Elsevier, 2016.03

    Scope: Chapter 19, Section 1-4, Superconductivity in Iron Oxypnictide Induced by F-Doping, pp. 423-446.

     View Summary

    フッ化物をドーパントとして利用した鉄系超伝導体の合成方法、線材作製方法、化学分析方法, 及び電子状態の測定と計算手法について概説した。 これまでに報告された鉄系超伝導体を用いた超伝導線材の作製には正確な電子磁気状態相図の理解が重要である。X線回折、メウバウワ分光、及び電子プローブマイクロアナライザ(EPMA)を使用した結果としての電子磁気状態相図、及び試料の化学組成を紹介する。

  • エネルギー材料としての混合アニオン化合物

    KAMIHARA Yoichi, 国立研究開発法人科学技術振興機構 研究開発戦略センター, 2016.03

    Scope: 俯瞰ワークショップ報告書 平成27年度エネルギー科学技術分野 最新研究開発動向 pp.34-42

     View Summary

    鉄系高温超伝導体を含む層状混合アニオン化合物の結晶学的な性質を紹介し, 化学組成の評価方法, 電子磁気状態相図を複数示した。鉄系高温超伝導体の応用には、その目的を明らかにする必要があり、また幾つかの技術的な課題のあることを説明した。

  • "鉄系超伝導材料", 鉄の事典 第19章 19.1 pp. 754-756

    KAMIHARA Yoichi, 朝倉書店, 2014.12

    Scope: 第19章 19.1 鉄系超伝導材料 pp. 754-756

     View Summary

    鉄系高温超伝導体の転移温度(Tc)は55 Kに上る。この値は液体窒素の沸点よりは低いが液体水素の沸点20.28 Kの2倍以上の値である。現在、Nb-TiやNb3Snなどの合金や金属間化合物を利用した超伝導線材が普及しているが、既存の超伝導材料は安定動作に高価な液体ヘリウムを冷媒として必要とする。しかし, 鉄系高温超伝導体はヘリウムを使用せずに安定動作する超伝導線材候補として有望である。

  • Transparent Oxides as Active Electronic Materials and Their Applications

    HIRAMATSU Hidenori,KAMIHARA Yoichi, シーエムシー出版, 2006.11

    Scope: 第3章, 3節, 層状化合物, pp. 71-93

     View Summary

    代表的な2種類の層状混合アニオン化合物(オキシカルコゲナイド、オキシプニクタイド)の電子材料としての機能をまとめた。オキシカルコゲナイドに関しては、エピタキシャル膜の作製と、p型縮退伝導の達成を紹介した。オキシプニクタイドに関しては、そのうちの1つであるLaFeOP (= LaFePO)は“磁気秩序の消失した常磁性金属”であり、超伝導を示すことを紹介し、高温超伝導体発見の可能性に言及した。この予言は2008年に自ら実証した。

  • CrスピネルおよびMnペロブスカイト関連硫化物の異常磁気物性と相間電子状態

    KAMIHARA Yoichi, 2005.03

     View Summary

    スピネル型カルコゲン化物および層状Mn酸化硫化物に対しバンドフィリング制御を行い、 Tcの制御を実現した。 スピネル型Fe0.5Cu0.5Cr2S4は350 Kではp型がn型よりも2倍の磁気抵抗を示すことが明らかになった。層状Mn酸化硫化物Sr2CuMnS O3及びSr4Cu2Mn3S2 O7.5を対象にバンドフィリング制御によるオキシ硫化物半導体の設計指針を得た。磁気ポーラロン濃度および有効質量の変化により磁気抵抗性能の向上を証明した。

Papers 【 Display / hide

  • Computational chemical analysis on element-specific magnetic phases in a mixed anion layered compound superconductor, Sr2VFeAsO3-delta: II. the most stable site positions for oxygen and electronic density of states (in Japanese)

    Y. Tojo, M. Nakanishi, and Y. Kamihara

    Materials Science and Technology of Japan (Materials Science Society of Japan)  56 ( 6 ) 231 - 235 2019.12

    Research paper (scientific journal), Accepted,  ISSN  13474774

     View Summary

    Sr2VFeAsO3−δ(21113V) is a mixed anion layered compound containing a perovskite-related vanadium (V) oxide blocking layer in a unit cell. In the previous study, the magnetic stability of V and Fe in 21113V (delta = 0, 0.25, 0.50) was theoretically verified on the density functional theory (DFT). In this study, we demonstrated the most stable site positions in the crystal structure including deficient oxygen. In delta = 0.25, 0.50, the z position of oxygen is reproduced reported results, preciously. It is indicated that oxygen deficiency is inevitable in the reported 21113V with nominally delta = 0 samples. The oxygen deficiency of the apical sites for the perovskite-related structure expands the lattice constant c. We also demonstrated the density of states (DOS) of 21113V. Fe in 21113V contributes to electrical conduction and V does not contribute to electrical conduction. Except for delta = 0, V in 21113V exhibits the ferrimagnetic phase (Ferri.) with spontaneous magnetic polarization.

  • III. Comparison between Electric and Magnetic Phase Diagrams and Results of Computational Chemical Analysis Considering Metastable Magnetic Phases (in Japaneses)

    Y. Tojo, M. Nakanishi, Y. Kamihara

    Mater. Sci. Tech. Jpn. (Materials Science Society of Japan)  56 ( 6 ) 236 - 242 2019.12

    Research paper (scientific journal), Joint Work, Accepted

     View Summary

    Sr2VFeAsO3−delta (21113V) is a mixed anion layered compound containing perovskite-related vanadium (V) oxide blocking layer in unit cell. We theoretically demonstrate magnetic phase diagrams of V and Fe in 21113V (delta = 0, 0.25, 0.50)verified on density functional theory (DFT). heoretical magnetic phases of V are antiferromagnetic ordered phases (A-AF) for delta = 0 and ferrimagnetic ordered phases (Ferri.) for delta = 0.25, 0.50. Especially, 21113V for delta= 0.25 exhibits different spontaneous magnetizations (MS), and their formation energyisvery close.The stable magnetic phases of Fe in 21113V are stripe-type antiferromagnetic ordered phases (s-AF) in delta = 0, 0.25, 0.50, although the magnetic phase of the Fe in delta = 0.25 shows almost the same formation energy between s-AF and paramagnetic (PM) ordered phases. Theoretical magnetic ordered phases are qualitatively consistent with the experimental magnetic phases for 21113V, although quantitative differences appear between measuredelement specific magnetic moments and theoretical ones.

  • Superconducting critical current density enhanced to 285 A cm-2 for Sr2VFeAsO3-δ tapes fabricated by ex-situ powder-in-tube process

    S. Iwasaki, R. Matsumoto, S. Adachi, Y. Takano, Y. Kamihara

    Applied Physics Express 12 ( 12 ) 123004_1 - 123004_4 2019.11

    Research paper (scientific journal), Joint Work, Accepted

     View Summary

    Superconducting critical current density (Jc) at 4.2 K for superconducting Sr2VFeAsO3-δ tape fabricated by powder-in-tube process was enhanced up to 285 Acm-2. Cross-sectional SEM images for superconducting Sr2VFeAsO3-δ wire/tapes indicated that void fraction f void was reduced from 12.8% for the round wire to ~2.5% for the tapes. The decrease in f void suppresses the so-called "weak-links" and therefore enhances J c. In order to enhance J c, the annealing condition should be optimized. The optimal annealing enforces the link between grains and avoids the loss of oxygen atoms in the superconducting core

  • Computational chemical analysis on element-specific magnetic phases in a mixed anion layered compound superconductor, Sr2VFeAsO3-delta: I. Sites for deficient oxygen and the most stable magnetic phases (in Japanese)

    Y. Tojo, M. Nakanishi, and Y. Kamihara

    Materials Science and Technology of Japan (Materials Science Society of Japan)  56 ( 5 ) 195 - 202 2019.10

    Research paper (scientific journal), Accepted,  ISSN  13474774

     View Summary

    Sr2VFeAsO3−delta (21113V) isa mixed anion layered compound containing a perovskite-related vanadium (V) oxide blocking layer in a unit cell.In 2019, electronic and magnetic phase diagrams as a function of oxygen deficiency (delta) on superconducting 21113V were experimentally demonstrated.In this study, the magnetic stability of V and Fe in 21113V (delta = 0, 0.25, 0.50) was theoretically verified on density functionaltheory (DFT). The deficient oxygen in apical sites of the perovskite-related structures is more stable than other deficient oxygen sites. The most stable magnetic phase of V in 21113V of delta = 0 is“antiferromagnetic ordered phase between two ferromagnetic V magnetic mono-layers”(A-AF).The A-AF of V transfers to ferrimagnetic ordered phases (Ferri.) in delta = 0.25, 0.50. Theoretical magnetic ordered phases are qualitatively consistent with experimental electronic and magnetic phases for 21113V, although the quantitative differences between theoretical element-specific magnetic spin moments and experimental ones should be discussed in later reports.

  • Electronic and magnetic phase diagram of mixed anion layered compound Sr2CrFeAsO3-delta

    M. Yamaguchi, H. Fujioka, T. Otsuka, M. Seto, S. Kitao, M. Matoba, and Y. Kamihara

    Transaction of Magnetic Society of Japan Special Issues (日本磁気学会)  3 ( 1 ) 28 - 33 2019.05

    Research paper (scientific journal), Joint Work, Accepted,  ISSN  2432-0471

     View Summary

    An electronic and magnetic phase diagram of a mixed anion layered compound, Sr2CrFeAsO3−δ, is demonstrated. Sr2CrFeAsO3−δ is composed by a carrier conducting FeAs layer and carrier blocking Sr2CrO3−δ layer. Polycrystalline Sr2CrFeAsO3−δ samples were prepared by solid-state reaction. The oxygen deficiency (δ) of the samples was determined using an assumption of a linear relation between δ and lattice volume (V). The δ-V relation was based on the V of several nominal compositions of polycrystalline samples with a smaller second phase. An electronic and magnetic phase diagram of Sr2CrFeAsO3−δ that considers δ and temperature (T) was created on the basis of electrical resistivity measurements and 57Fe Mössbauer spectroscopy measurements. A magnetic Fe sublattice of Sr2CrFeAsO3−δ exhibited a stripe-type antiferromagnetic (AFM-s) phase for 0.124 ≤ δ ≤ 0.210 at T < 60 K and an internal magnetic field (Hint) distributed antiferromagnetic (AFM-DH) phase for 0.247 ≤ δ ≤ 0.256 at T < 53 K.

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Papers, etc., Registered in KOARA 【 Display / hide

Reviews, Commentaries, etc. 【 Display / hide

  • 新著紹介, 佐藤憲昭, 三宅和正, 磁性と超伝導の物理: 重い電子系の理解のために

    神原陽一

    日本物理学会誌 74 ( 11 ) 798 - 799 2019.11

    Book review and document introduction, etc., Single Work

  • Electronic properties of 1111 superconducting materials and superconducting wires made from 1111 via powder-in-tube process

    KAMIHARA Yoichi

    J. Cryo. Super. Soc. Jpn. 52 ( 6 ) 415 - 421 2017.11

    Introduction and explanation (scientific journal), Single Work

     View Summary

    In a history of superconductors 1911-2017, Fe-based superconductor ReFePnO1-xFx (Re: rare earth, Pn: Pnictogen) exhibits relative high superconducting transition temperatures (Tc)  58 K under ambient pressure. Electron doping by substitution of O2- with F- was required for appearance of a superconducting phase with high Tc. The Tc and upper critical field of ReFePnO1-xFx are very attractive for applications as superconducting wires and tapes under high magnetic fields, although demonstration of practical superconducting wires is a tough challenge due to the difficulty in controlling the F contents during a processing for ex-situ powder in tube method. In 2017, Zhang et al reported that iron-based superconducting tapes with Cu sheath showed superconducting electrical current (Jc) ~ 18 kAcm2. It is noteworthy that the tapes are sintered at 300 deg. C.

  • A private story, discovery of iron-based high Tc superconductors II

    KAMIHARA Yoichi

    J. Cryo. Super. Soc. Jpn. 52 ( 6 ) 383 - 388 2017.11

    Introduction and explanation (scientific journal)

     View Summary

    After obtaining my doctorate in engineering from Keio University, I spent five years as a researcher at the Tokyo Institute of Technology, Suzukakedai Campus in Yokohama. During that time, I made the first report on a material system called iron-based high-temperature superconductors (Fe-SCs). Research on Fe-SCs is still hot topic in condensed matter physics. Now, I am continuing my research mainly on the fabrication of superconducting wire using Fe-SCs, while being distracted by some traditional affairs as a member of the faculty. Research on Fe-SCs has encouraged young researchers towards the further discovery of novel layered superconductors. This article was prepared by updating the content of “A Private Story, Discovery of Iron-based High Tc Superconductors” previously published in the membership journal of the Physical Society of Japan.

Presentations 【 Display / hide

  • 定常法熱伝導率測定における放射熱漏れの影響

    坂上 良介, 後藤 陽介, 水口 佳一,的場 正憲,神原 陽一

    第 17 回日本熱電学会学術講演会(TSJ2020), 2020.09, Oral Presentation(general)

     View Summary

    熱電変換材料の研究の際,性能指数の測定値の不確かさにまで注意を向けないと,極端な楽観主義に陥る恐れがある.また,熱電変換素子は,通常,定常状態で使用されるから,定常法での熱伝導率測定は重要である.本研究では,試料片からの放射熱の漏れが定常法熱伝導率に及ぼす影響を見積もった.

  • 菱面体晶近藤格子系EuSn2As2の151Euと119SnのMössbauerスペクトルの磁気分裂

    坂上良介, 北尾真司, 瀬戸誠, 神原陽一

    日本物理学会 2020年秋季大会 (WEB) , 2020.09, Oral Presentation(general)

  • 密度汎関数理論による新アンモニア合成触媒 LaRuSi の仕事関数の終端依存評価

    伊藤大平,河嶋丈富,的場正憲,神原陽一

    2020年度 一般社団法人 日本材料科学会 学術講演大会 (WEB) , 2020.07, Oral Presentation(general)

  • YBa2Cu3O7-δ の酸素発生反応電気化学触媒機能の評価

    竹原有哉,岩竹翼,平井慈人,神原陽一

    2020年度 一般社団法人 日本材料科学会 学術講演大会 (WEB) , 2020.07, Oral Presentation(general)

  • 超高圧下で 200 K 以上の超伝導転移温度を示す金属水素化物の電子状態計算

    佐藤弘之,坂上良介,河嶋丈富,神原陽一,的場正憲

    2020年度 一般社団法人 日本材料科学会 学術講演大会 (WEB) , 2020.07, Oral Presentation(general)

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Research Projects of Competitive Funds, etc. 【 Display / hide

  • 新規近藤格子系の磁気秩序に関する研究

    2020.04
    -
    2021.03

    京都大学複合原子力化学研究所共同利用支援システム, 2019年度共同利用, 神原陽一, Joint research

  • 近藤格子系における複合電子状態に関する研究

    2019.04
    -
    2020.03

    東京工業大学科学技術創成研究院フロンティア材料研究所, 全国共同利用, 神原陽一

     View Remarks

    承認番号: 17

  • ワイドギャップ半導体LaCuSeOへのプロトン駆動イオン交換

    2019.04
    -
    2020.03

    物質・デバイス領域共同利用拠点, 北海道大学, 神原陽一, Joint research, Principal Investigator

  • 新規近藤格子系の磁気秩序に関する研究

    2019.04
    -
    2020.03

    京都大学複合原子力化学研究所共同利用支援システム, 2019年度共同利用, 神原陽一, Joint research

  • 六方晶近藤格子系 EuSn2As2 単結晶における異相幾何学的電子相の研究

    2019.04
    -
    2019.09

    東京大学物性研究所, 全国共同利用, 神原陽一, No Setting, Principal Investigator

     View Remarks

    承認番号:A185

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Works 【 Display / hide

Intellectual Property Rights, etc. 【 Display / hide

  • 混合アニオン化合物鉄系超電導線材とその製造方法

    Application No.: 2016-191311  2016.09 

    Announcement No.: 2018-055975  2018.04 

    Patent, Joint, National application

  • 層状ビスマスカルコゲナイド系熱電材料及びその製造方法

    Application No.: 2015-168193 (P2015-168193)  2015.08 

    Announcement No.: 2016-58725 (P2016-58725A)  2016.04 

    Registration No.: 特許第6619180号(P6619180)  2019.11

    Patent, Joint, National application

  • 層状化合物及び超伝導体並びにそれらの製造方法

    Application No.: 2010-520839  2009.07 

    Announcement No.: WO2010/007929  2010.01 

    Registration No.: 5440879 

    Patent, Joint, PCT international application

  • 層状化合物及び超伝導体ならびにそれらの製造方法

    Application No.: 2008-082386  2008.03 

    Announcement No.: 2009-234847  2009.10 

    Registration No.: 5518295 

    Patent, Joint, National application

  • 高温超伝導化合物

    Application No.: 2008-035977  2008.02 

    Announcement No.: WO2009JP52714   

    Patent, Joint, National application

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Awards 【 Display / hide

  • 学会活動貢献賞

    2019.09, 日本磁気学会, 「企画委員会活動を通した学会活動の活性化への貢献」

    Type of Award: Awards of National Conference, Council and Symposium

  • Best Presentation Awards (Poster)

    M. Nakanishi, M. Matoba, and Y. Kamihara, 2018.11, The Materials Research Society of Korea, Electrical structure and thermal properties of ZrCuSiAs type mixed anion layered compounds

    Type of Award: International Academic Awards

  • Best Poster Awards

    Tatsuki KATO, Kunihiro KIHOU, Chul-Ho LEE, Yoichi KAMIHARA, 2017.08, The Materials Science Society of Japan, Transport properties of high sintered density layered oxychalcogenide, LaCuSeO

    Type of Award: International Academic Awards.  Country: Japan

     View Description

    ポスター発表者の内, 約15-20%の方が受賞

  • 18th Award for Academic Papers on Physics (The Physical Society of Japan)

    Yusuke NAKAI; Kenji ISHIDA; Yoichi KAMIHARA, Masahiro, HIRANO, Hideo HOSONO, 2013.03, Evolution from Itinerant Antiferromagnet to Unconventional Superconductor with Fluorine Doping in LaFeAs(O1-xFx) Revealed by 75As and 139La Nuclear Magnetic Resonance

    Type of Award: Awards of National Conference, Council and Symposium

  • 第13回超伝導科学技術賞

    細野 秀雄, 平野 正浩, 神原 陽一, 2009.04, オキシニクタイド高温超伝導体の発見

    Type of Award: Other Awards

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Courses Taught 【 Display / hide

  • THERMAL PHYSICS

    2020

  • SPECIAL TOPICS IN APPLIED PHYSICS AND PHYSICO-INFORMATICS

    2020

  • PRESENTATION TECHNIQUE

    2020

  • INDEPENDENT STUDY ON FUNDAMENTAL SCIENCE AND TECHNOLOGY

    2020

  • GRADUATE RESEARCH ON FUNDAMENTAL SCIENCE AND TECHNOLOGY 2

    2020

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Courses Previously Taught 【 Display / hide

  • 物理情報工学セミナー

    慶應義塾大学理工学部物理情報工学科, 2018

  • 物理情報工学特別講義

    慶應義塾大学理工学部物理情報工学科, 2018

  • 物理情報工学演習

    Keio University, 2014, Autumn Semester, Major subject, Seminar, Lecturer outside of Keio, 1h, 130people

  • 物理情報工学実験CD

    Keio University, 2014, Autumn Semester, Major subject, Laboratory work/practical work/exercise, Within own faculty, 3h, 70people

  • 熱物理

    Keio University, 2014, Autumn Semester, Major subject, Lecture, Within own faculty, 3h, 70people

    ジュールの原理, エルビンの原理, ランフォードの実験(熱素論の否定), エントロピー

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Educational Activities and Special Notes 【 Display / hide

  • 鏡原大地君の博士学位請求論文"極低温Fermi原子気体におけるずり粘性率の理論研究"の副査

    2019.12
    -
    2020.09

    , Special Affairs

  • 岩﨑秀君の博士学位請求論文"複合アニオン層状化合物Sr2VFeAsO3-δを用いた超伝導線材の高臨界電流密度化に関する研究"の主査

    2019.12
    -
    2020.03

    , Special Affairs

  • 立木智也君の博士学位請求論文"回転下固体ヘリウムの弾性に関する研究"の副査

    2019.12
    -
    2020.03

    , Special Affairs

  • 藤乘優治郎君の博士学位請求論文"ペロブスカイト関連複合アニオン層状化合物超伝導体Sr2VFeAsO3-δにおける電子磁気状態相図の実証と元素選択的な磁性相の計算化学的検証"の主査

    2019.11
    -
    2020.03

    , Special Affairs

  • 佐藤迪夫君(成蹊大学)の博士学位請求論文"ナノ組織制御によるY1-xGdxBa2Cu3O7-δ"の磁場中超伝導特性に関する研究"の副査

    2017.12
    -
    2018.01

    , Special Affairs

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Memberships in Academic Societies 【 Display / hide

  • Materials Science Society of Japan, 

    2014.04
    -
    Present
  • Cryogenics and Superconductivity Society of Japan, 

    2013.04
    -
    Present
  • American Physical Society, 

    2010.12
    -
    Present
  • The Physical Society of Japan, 

    2005.03
    -
    Present
  • The Japan Society of Applied Physics, 

    2005.03
    -
    Present

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Committee Experiences 【 Display / hide

  • 2020.04
    -
    2026.03

    日本磁気学会 編集論文委員会, 日本磁気学会

  • 2019.09
    -
    2021.08

    公益社団法人日本磁気学会顧問, 公益社団法人日本磁気学会

     View Remarks

    職務: 理事会への意見の答申、顧問会への出席
    期間中の会議開催回数  2回程度
    開催時間数(1回)   約2時間

  • 2019.04
    -
    Present

    第一期 執行役員(学術講演大会, 国際交流, マテリアルズ・インフォマティクス基礎研究会), 一般社団法人 日本材料科学会

  • 2018.04
    -
    2018.09

    第42回 日本磁気学会学術講演会 実行委員会(企画幹事) , 日本磁気学会

  • 2017.06
    -
    2019.05

    日本磁気学会企画委員会, 企画幹事, 日本磁気学会

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