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2018 Fiscal Year Annual Research Report

Electrical spin conversion

Planned Research

Project Areanano spin conversion science
Project/Area Number 26103003
Research InstitutionKyoto University

Principal Investigator

白石 誠司  京都大学, 工学研究科, 教授 (30397682)

Co-Investigator(Kenkyū-buntansha) 勝本 信吾  東京大学, 物性研究所, 教授 (10185829)
齋藤 秀和  国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 研究チーム長 (50357068)
浜屋 宏平  大阪大学, 基礎工学研究科, 教授 (90401281)
Project Period (FY) 2014-07-10 – 2019-03-31
Keywords電気的スピン変換 / スピン軌道相互作用 / スピン運動量結合 / 電界効果
Outline of Annual Research Achievements

2018年度の計画班及び公募班メンバーによる主な成果は以下の通り。

(1) イオンゲートによる強電界印加によるPtのスピン軌道相互作用の制御と逆スピンホール効果の消失の発見(Nature Communications誌掲載、新聞など多数掲載)、(2) グラフェン+BiSe微粒子複合系における新しいトポロジカル状態の発現(Science Advances誌掲載)、(3) n-GeおよびSiGeにおける室温スピン伝導の実現、(4) スピンギャップレス半導体CoFeVSiの磁気抵抗物性の理解、(5) 量子ホールエッジ状態を用いたスピンマニピュレーションの実現、(6) 高品質MgOトンネル磁気抵抗素子を用いた効率的AC-DC変換、(7) 半導体量子ドットを用いたスピンダイナミクスのプローブ技術の確立

最終年度にふさわしく、いくつかの革新的発見および達成があり、さらにスピン変換基盤技術をさらに強固にする着実な成果もあり、バランスのとれた成果群の発信に成功している。

Research Progress Status

平成30年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

平成30年度が最終年度であるため、記入しない。

  • Research Products

    (107 results)

All 2019 2018 Other

All Int'l Joint Research (3 results) Journal Article (22 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 22 results,  Open Access: 5 results) Presentation (78 results) (of which Int'l Joint Research: 42 results,  Invited: 19 results) Remarks (2 results) Patent(Industrial Property Rights) (2 results)

  • [Int'l Joint Research] ワルター・マイスナー研究所/ケルン大/ボッフム大(ドイツ)

    • Country Name
      GERMANY
    • Counterpart Institution
      ワルター・マイスナー研究所/ケルン大/ボッフム大
  • [Int'l Joint Research] バーゼル大(スイス)

    • Country Name
      SWITZERLAND
    • Counterpart Institution
      バーゼル大
  • [Int'l Joint Research] UCアーバイン(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      UCアーバイン
  • [Journal Article] Spin Filtering Magnetoresistance in Double‐Well Resonant Structures2019

    • Author(s)
      T. Nakamura, Y. Hashimoto, T. Ke and S. Katsumoto
    • Journal Title

      Phys. Status Solidi B

      Volume: 256 Pages: 1800560(1-6)

    • DOI

      10.1002/pssb.201800560

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Evidence for Spin-Triplet Electron Pairing in the Proximity-Induced Superconducting State of an Fe-Doped InAs Semiconductor2019

    • Author(s)
      T. Nakamura, L. D. Anh, Y. Hashimoto, S. Ohya, M. Tanaka and S. Katsumoto
    • Journal Title

      Physical Review Letters

      Volume: 122 Pages: 107001 (1-5)

    • DOI

      10.1103/PhysRevLett.122.107001

    • Peer Reviewed
  • [Journal Article] Strain-induced spontaneous Hall effect in an epitaxial thin film of a Luttinger semimetal2019

    • Author(s)
      Takumi Ohtsuki, Zhaoming Tian, Akira Endo, Mario Halim, Shingo Katsumoto, Yoshimitsu Kohama, Koichi Kindo, Mikk Lippmaa, and Satoru Nakatsuji
    • Journal Title

      Proceedings of the National Academy of Sciences of the United States of America (PNAS)

      Volume: 116 Pages: 1819489116(1-6)

    • DOI

      10.1073/pnas.1819489116

    • Peer Reviewed / Open Access
  • [Journal Article] Room-temperature side-gate-induced current modulation in a magnetic tunnel junction with an oxide-semiconductor barrier for vertical spin MOSFET operation2019

    • Author(s)
      Toshiki Kanaki, Shin Matsumoto, Sai Krishna Narayananellore, Hidekazu Saito, Yoshihiro Iwasa, Masaaki Tanaka, and Shinobu Ohya
    • Journal Title

      Applied Physics Express

      Volume: 12 Pages: 023009(1-4)

    • DOI

      10.7567/1882-0786/aafed6

    • Peer Reviewed
  • [Journal Article] Epitaxial growth of MgO/Ga2O3 heterostructure and its band alignment studied by X-ray photoemission spectroscopy2019

    • Author(s)
      Norihiro Matsuo, Naoki Doko, Yukiko Yasukawa, Hidekazu Saito, and Shinji Yuasa
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 11 Pages: 070304(1-4)

    • DOI

      10.7567/JJAP.57.070304

    • Peer Reviewed
  • [Journal Article] Quantification of Spin Drift in Devices with a Heavily Doped Si Channel2019

    • Author(s)
      A. Spiesser, Y. Fujita, H. Saito, S. Yamada, K. Hamaya, W. Mizubayashi, K. Endo, S. Yuasa, and R. Jansen
    • Journal Title

      Physical Review Applied

      Volume: 11 Pages: 044020(1-4)

    • DOI

      10.1103/PhysRevApplied.11.044020

    • Peer Reviewed
  • [Journal Article] Room-temperature local magnetoresistance effect in n-Ge devices with low-resistive Schottky-tunnel contacts2019

    • Author(s)
      M. Tsukahara, M. Yamada, T. Naito, S. Yamada, K. Sawano, V. K. Lazarov, and K. Hamaya
    • Journal Title

      Appl. Phys. Express

      Volume: 12 Pages: 033002(1-4)

    • DOI

      10.7567/1882-0786/ab0252

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Crystal orientation effect on spin injection/detection efficiency in Si lateral spin-valve devices2019

    • Author(s)
      M. Ishikawa, M. Tsukahara, S. Honda, Y. Fujita, M. Yamada, Y. Saito, T. Kimura, H. Itoh, and K. Hamaya
    • Journal Title

      J. Phys. D: Appl. Phys.

      Volume: 52 Pages: 08510,033002

    • DOI

      10.1088/1361-6463/aaf37c

    • Peer Reviewed
  • [Journal Article] Spin-wave-induced lateral temperature gradient in a YIG thin film/GGG system excited in an ESR cavity2018

    • Author(s)
      Ei Shigematsu, Yuichiro Ando, Sergey Dushenko, Teruya Shinjo, and Masashi Shiraishi
    • Journal Title

      Applied Physics Letters

      Volume: 112 Pages: 212401~1-5

    • DOI

      10.1063/1.5022452

    • Peer Reviewed
  • [Journal Article] Tunable inverse spin Hall effect in nanometer-thick platinum films by ionic gating2018

    • Author(s)
      Sergey Dushenko, Masaya Hokazono, Kohji Nakamura, Yuichiro Ando, Teruya Shinjo & Masashi Shiraishi
    • Journal Title

      Nature Communications

      Volume: 9 Pages: 3118~1-7

    • DOI

      10.1038/s41467-018-05611-9

    • Peer Reviewed / Open Access
  • [Journal Article] Spin-orbit coupling induced by bismuth doping in silicon thin films2018

    • Author(s)
      F. Rortais, S. Lee, R. Ohshima, S. Dushenko, Y. Ando, and M. Shiraishi
    • Journal Title

      Applied Physics Letters

      Volume: 113 Pages: 122408~1-5

    • DOI

      10.1063/1.5046781

    • Peer Reviewed
  • [Journal Article] Evidence for a quantum spin Hall phase in graphene decorated with Bi2Te3 nanoparticles2018

    • Author(s)
      K. Hatsuda, H. Mine, T. Nakamura, J. Li, R. Wu, S. Katsumoto and J. Haruyama
    • Journal Title

      Science Advances

      Volume: 4 Pages: eaau6915 (1-7)

    • DOI

      10.1126/sciadv.aau6915

    • Peer Reviewed / Open Access
  • [Journal Article] Proximity-Induced Superconductivity in a Ferromagnetic Semiconductor (In,Fe)As2018

    • Author(s)
      T. Nakamura, L. D. Anh, Y. Hashimoto, Y. Iwasaki, S. Ohya, M. Tanaka and S. Katsumoto
    • Journal Title

      J. Phys.: Conf. Ser.

      Volume: 969 Pages: 012036(1-4)

    • DOI

      10.1088/1742-6596/969/1/012036

    • Peer Reviewed / Open Access
  • [Journal Article] 半導体の電気伝導におけるZitterbewegung (ジグザグ運動)2018

    • Author(s)
      中村 壮智, 勝本 信吾
    • Journal Title

      日本物理学会誌

      Volume: 73 Pages: 776 - 781

    • Peer Reviewed
  • [Journal Article] Spin-orbit interaction in Pt or Bi2Te3 nanoparticle-decorated graphene realized by a nanoneedle method2018

    • Author(s)
      T. Namba, K. Tamura, K. Hatsuda, T. Nakamura, C. Ohata, S. Katsumoto and J. Haruyama
    • Journal Title

      Applied Physics Letters

      Volume: 113 Pages: 053106 (1-3)

    • DOI

      10.1063/1.5027542

    • Peer Reviewed
  • [Journal Article] Improvements of surface morphology and electrical transport properties of singlecrystalline In2O3(111) thin films by postgrowth annealing2018

    • Author(s)
      Yuichi Fujita, Yasufumi Matsuzaki, Shintaro Kon, Yukiko Yasukawa, Hiroki Koizumi, Hideto Yanagihara and Hidekazu Saito
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 58 Pages: 030909(1-4)

    • DOI

      10.7567/1347-4065/aafdec

    • Peer Reviewed
  • [Journal Article] Nonlinear Electrical Spin Conversion in a Biased Ferromagnetic Tunnel Contact2018

    • Author(s)
      R. Jansen, A. Spiesser, H. Saito, Y. Fujita, S. Yamada, K. Hamaya, and S. Yuasa
    • Journal Title

      Physical Review Applied

      Volume: 10 Pages: 064050(1-4)

    • DOI

      10.1103/PhysRevApplied.10.064050

    • Peer Reviewed
  • [Journal Article] Correlation between spin transport signal and quality of the Heusler-alloy/semiconductor interface in lateral spin-valve devices2018

    • Author(s)
      B. Kuerbanjiang, Y. Fujita, M. Yamada, S. Yamada, A. M. Sanchez, P. J. Hasnip, A. Ghasemi, D. Kepaptsoglou, G. Bell, K. Sawano, K. Hamaya, and V. K. Lazarov
    • Journal Title

      Phys. Rev. B

      Volume: 98 Pages: 115304(1-6)

    • DOI

      10.1103/PhysRevB.98.115304

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Modulation of magnetization dynamics in an epitaxial Heusler ferromagnet due to pure spin current in a laterally configured structure2018

    • Author(s)
      S. Oki, Y. Sasaki, Y. Kasatani, S. Yamada, S. Mizukami, Y. Nozaki, and K. Hamaya
    • Journal Title

      J. Phys.: Condens. Matter.

      Volume: 30 Pages: 255802(1-5)

    • DOI

      10.1088/1361-648X/aac400

    • Peer Reviewed
  • [Journal Article] Spin transport and relaxation in germanium (Topical Review)2018

    • Author(s)
      K. Hamaya, Y. Fujita, M. Yamada, M. Kawano, S. Yamada, and K. Sawano
    • Journal Title

      J. Phys. D: Appl. Phys.

      Volume: 51 Pages: 393001(1-17)

    • DOI

      10.1088/1361-6463/aad542

    • Peer Reviewed
  • [Journal Article] Observation of local magnetoresistance signals in a SiGe-based lateral spin-valve device2018

    • Author(s)
      M. Yamada, T. Naito, M. Tsukahara, S. Yamada, K. Sawano, and K. Hamaya
    • Journal Title

      Semicond. Sci. Technol.

      Volume: 33 Pages: 114009(1-5)

    • DOI

      10.1088/1361-6463/aad542

    • Peer Reviewed
  • [Journal Article] Epitaxial growth of Sb-doped Ge layers on ferromagnetic Fe3Si for vertically semiconductor spintronic devices2018

    • Author(s)
      T. Shiihara, S. Oki, S. Sakai, M. Ikawa, S. Yamada, and K. Hamaya
    • Journal Title

      Semicond. Sci. Technol.

      Volume: 33 Pages: 104008(1-5)

    • DOI

      10.1088/1361-6641/aade71

    • Peer Reviewed
  • [Presentation] In-plane field and current dependence of the Josephson effect in Nb/InAs/Nb junctions2019

    • Author(s)
      T. Nakamura, Y. Hashimoto, S. Katsumoto
    • Organizer
      Topological Phases and Functionality of Correlated Electron Systems 2019 (Univ. Tokyo, Kashiwa)
    • Int'l Joint Research
  • [Presentation] Spontaneous Hall effect in a Luttinger semimetal Pr2Ir2O7 thin film2019

    • Author(s)
      T. Ohtsuki, Z. Tian, A. Endo, M. Halim, S. Katsumoto, Y. Kohama, K. Kindo, M. Lippmaa, and S. Nakatsuji
    • Organizer
      Topological Phases and Functionality of Correlated Electron Systems 2019 (Univ. Tokyo, Kashiwa)
    • Int'l Joint Research
  • [Presentation] Supercurrent on accumulation edges of an InAs quantum well2019

    • Author(s)
      M. Onizaki, Y. Hashimoto, T. Nakamura, S. Katsumoto
    • Organizer
      Topological Phases and Functionality of Correlated Electron Systems 2019 (Univ. Tokyo, Kashiwa)
    • Int'l Joint Research
  • [Presentation] Control of electron spin through quantum Hall edge-spin entanglement2019

    • Author(s)
      T. Shimizu, Y. Hashimoto, T. Nakamura, A. Endo, S. Katsumoto
    • Organizer
      Topological Phases and Functionality of Correlated Electron Systems 2019 (Univ. Tokyo, Kashiwa)
    • Int'l Joint Research
  • [Presentation] 熱起電力に現れる1次元平面超格子整合性振動と磁場中温度分布2019

    • Author(s)
      遠藤彰, 小池啓太, 勝本信吾, 家泰弘
    • Organizer
      日本物理学会 2019年 年次大会 (九州大学,福岡)
  • [Presentation] 量子ホールエッジ状態間の電子スピン非断熱遷移と位相の独立制御2019

    • Author(s)
      清水貴勢, 橋本義昭, 中村壮智, 遠藤彰, 勝本信吾
    • Organizer
      日本物理学会 2019年 年次大会 (九州大学,福岡)
  • [Presentation] n-i-p-i-n 三重障壁構造におけるスピンブロッケード2019

    • Author(s)
      橋本義昭, 中村壮智, 勝本信吾
    • Organizer
      日本物理学会 2019年 年次大会 (九州大学,福岡)
  • [Presentation] Ti/ MoS2界面における輸送特性2019

    • Author(s)
      相川夕美花, 遠藤彰, 中村壮智, 清水貴勢, 成田智絵, 津村公平, 柏谷聡, 高柳英明, 勝本信吾, 石黒亮輔
    • Organizer
      日本物理学会 2019年 年次大会 (九州大学,福岡)
  • [Presentation] 量子ポイントコンタクト付き超伝導/InAs二次元電子ガス/超伝導接合の伝導特性2019

    • Author(s)
      鬼嵜誠, 橋本義昭, 中村壮智, 勝本信吾
    • Organizer
      日本物理学会 2019年 年次大会 (九州大学,福岡)
  • [Presentation] 電流注入によるジョセフソン効果の制御2019

    • Author(s)
      中村壮智
    • Organizer
      日本物理学会 2019年 年次大会 (九州大学,福岡)
  • [Presentation] Spin-dependent diode performance in fully epitaxial magnetic tunnel junctions with bilayer tunnel barrier2019

    • Author(s)
      Hidekazu Saito, Shintaro Kon, Sai Krishna Narayananellore, Norihiro Matsuo, Naoki Doko, Yukiko Yasukawa, Hiroshi Imamura, and Shinji Yuasa
    • Organizer
      第66回応用物理学会春季学術講演会
  • [Presentation] As2を用いた(110)GaAs/AlGaAs量子井戸のMBE成長及び再結合寿命・スピン緩和時間の測定2019

    • Author(s)
      岡本亮吾、揖場聡、齋藤秀和、大野祐三、湯浅新治
    • Organizer
      第66回応用物理学会春季学術講演会
  • [Presentation] Spin-dependent diode performance in fully epitaxial magnetic tunnel junctions with rock-salt type ZnO/MgO bilayer tunnel barrier2019

    • Author(s)
      Hidekazu Saito, Shintaro Kon, Sai Krishna Narayananellore, Norihiro Matsuo, Naoki Doko, Yukiko Yasukawa, Hiroshi Imamura, and Shinji Yuasa
    • Organizer
      Topological Phases and Functionality of Correlated Electron Systems 2019
  • [Presentation] 非平衡物質が切り拓く新規スピントロニクス素子2019

    • Author(s)
      齋藤秀和
    • Organizer
      第12回日本電磁波エネルギー応用学会研究会
    • Invited
  • [Presentation] Room-temperature operation of a vertical spin field-effect transistor with an oxide semiconductor GaOx2019

    • Author(s)
      Shinobu Ohya, Toshiki Kanaki, Shin Matsumoto, Sai Krishna Narayananellore, Hidekazu Saito, Yoshihiro Iwasa, and Masaaki Tanaka
    • Organizer
      2019 Joint MMM-Intermag conference
    • Int'l Joint Research
  • [Presentation] Fe/MgO tunnel contacts with 90% spin filtering in Si-based nonlocal devices2019

    • Author(s)
      A. Spiesser, Y. Fujita, H. Saito, S. Yuasa, and R. Jansen
    • Organizer
      2019 Joint MMM-Intermag conference
    • Int'l Joint Research
  • [Presentation] Tunable inverse spin Hall effect in ultrathin Pt film2019

    • Author(s)
      M. Shiraishi
    • Organizer
      Spinmechanics 6
    • Int'l Joint Research / Invited
  • [Presentation] 広い意味での半導体におけるスピン流輸送・変換の実現とその物性2019

    • Author(s)
      白石誠司
    • Organizer
      日本電磁波エネルギー応用学会第12回研究会
    • Invited
  • [Presentation] Control over ISHE in a platinum film by ionic gating2019

    • Author(s)
      S. Dushenko, M. Hokazono, K. Nakamura, T. Shinjo, Y. Ando and M. Shiraishi
    • Organizer
      APS March Meeting
    • Int'l Joint Research
  • [Presentation] Bias dependence of spin accumulation voltages in non-degenerate Si spin valves2019

    • Author(s)
      F.Rortais, S.Lee, R.Ohshima, S.Dushenko, Y.Ando and M.Shiraishi
    • Organizer
      APS March Meeting
    • Int'l Joint Research
  • [Presentation] Spin-Charge Conversion Induced under Spin Pumping and Ferromagnetic Resonance in CoFeB2019

    • Author(s)
      S. Dushenko, G. Kopnov, A. Gerber, T. Shinjo, Y. Ando and M. Shiraishi
    • Organizer
      14th Joint MMM-Intermag
    • Int'l Joint Research
  • [Presentation] Lateral thermal gradient on a YIG film/GGG system in a uniform excitation2019

    • Author(s)
      E. Shigematsu, Y. Ando, S. Dushenko, T.Shinjo, and M. Shiraishi
    • Organizer
      14th Joint MMM-Intermag
    • Int'l Joint Research
  • [Presentation] Induced Spin-Orbit Coupling in Silicon Thin Films by Bismuth Doping2019

    • Author(s)
      F.Rortais, S.Lee, R.Ohshima, S.Dushenko, Y.Ando and M.Shiraishi
    • Organizer
      14th Joint MMM-Intermag
    • Int'l Joint Research
  • [Presentation] Tuning the ISHE-induced electromotive force in a platinum film by ionic gating2019

    • Author(s)
      M. Hokazono, S. Dushenko, K. Nakamura, Y. Ando, T. Shinjo and M. Shiraishi
    • Organizer
      14th Joint MMM-Intermag
    • Int'l Joint Research
  • [Presentation] Spin-charge conversion via highly oriented bismuth2019

    • Author(s)
      松島真之、安藤裕一郎、大島諒、Sergey Dushenko、重松英、 河辺健志、新庄輝也、三輪真嗣、 白石誠司
    • Organizer
      平成30年度スピン変換年次報告会
  • [Presentation] 高周波誘起起電力測定による半導体/磁性体界面におけるスピン流電流変換物性測定2019

    • Author(s)
      重松英、Lukas Liensberger、Mathias Weiler、大島諒、安藤裕一郎、新庄輝也、Hans Huebl、*白石誠司
    • Organizer
      第66回応用物理学会春季講演会
  • [Presentation] Spin-charge conversion in highly oriented bismuth using spin-torque ferromagnetic resonance2019

    • Author(s)
      M. Matsushima, Y. Ando, R. Ohshima, S. Dushenko, E. Shigematsu, T. Kawabe, T. Shinjo, S. Miwa, M. Shiraishi
    • Organizer
      第66回応用物理学会春季講演会
  • [Presentation] Electrical spin injection in Co2MnGa based all-metallic lateral spin valves2019

    • Author(s)
      L. Leiva, S. Granville, T. Shinjo, R. Ohshima, Y. Ando, M. Shiraishi
    • Organizer
      第66回応用物理学会春季講演会
  • [Presentation] An investigation of gate-induced modulation of the inverse spin Hall effect in ultrathin Cu2019

    • Author(s)
      S. Yoshitake, M. Hokazono, T. Shinjo, R. Oshima, Y. Ando and M. Shiraishi
    • Organizer
      第66回応用物理学会春季講演会
  • [Presentation] Doubled conductance in quantum Hall edge transport driven by Andreev reflection or impurity potentials2018

    • Author(s)
      M. Onizaki, Y. Hashimoto, A. Endo, T. Nakamura and S. Katsumoto
    • Organizer
      Oxide Superconducting Spintronics Workshop 2018 (Amalfi, Italy)
    • Int'l Joint Research
  • [Presentation] The Josephson effect in Nb/InAs/Nb junctions under in-plane magnetic fields2018

    • Author(s)
      T. Nakamura, Y. Hashimoto, S. Katsumoto
    • Organizer
      International Conference on the Physics of Semiconductors (Montpellier, France)
    • Int'l Joint Research
  • [Presentation] Filling factor dependence of non-adiabatic spin transition among quantum Hall edge states2018

    • Author(s)
      T. Shimizu, Y. Hashimoto, T. Nakamura, A. Endo, S. Katsumoto
    • Organizer
      International Conference on the Physics of Semiconductors (Montpellier, France)
    • Int'l Joint Research
  • [Presentation] Doubled conductance in quantum Hall edge transport probably on electron-hole channels generated by Andreev reflection2018

    • Author(s)
      M. Onizaki, S. Katsumoto, T. Nakamura, A. Endo, Y. Hashimoto
    • Organizer
      International Conference on the Physics of Semiconductors (Montpellier, France)
    • Int'l Joint Research
  • [Presentation] In-plane resonant spin-filtering with Rashba-Dresselhaus interaction2018

    • Author(s)
      S. Katsumoto, Y. Hashimoto, X. Yao, Y. Iwasaki, T. Nakamura
    • Organizer
      International Conference on the Physics of Semiconductors (Montpellier, France)
    • Int'l Joint Research
  • [Presentation] The in-plane field effects for the Josephson effect in two-dimensional electron system2018

    • Author(s)
      Taketomo Nakamura
    • Organizer
      Oxide Superspin International School 2018 (Sapporo, Japan)
    • Int'l Joint Research / Invited
  • [Presentation] InAs二次元電子系におけるジョセフソン効果の面内磁場依存性2018

    • Author(s)
      中村壮智, 橋本義昭, 勝本信吾
    • Organizer
      日本物理学会 2018年秋季大会 (同志社大学,京都)
  • [Presentation] Rashba-Dresselhaus複合相互作用によるトンネル異方性磁気抵抗II2018

    • Author(s)
      橋本義昭, 松林幸宏, 中村壮智, 勝本信吾
    • Organizer
      日本物理学会 2018年秋季大会 (同志社大学,京都)
  • [Presentation] “Zitterbewegung” appeared as fluctuation in transport between quantum point contacts2018

    • Author(s)
      Shingo Katsumoto
    • Organizer
      International Symposium on Frontiers of Quantum Transport in Nano Science (Univ. Tokyo, Kashiwa)
    • Int'l Joint Research / Invited
  • [Presentation] Spin-blockade in an nipin triple-barrier structure2018

    • Author(s)
      Y. Hashimoto, T. Ke, T. Nakamura, S. Katsumoto
    • Organizer
      One-day Symposium on Spintronic Properties of Graphene and Related 2D Materials
    • Int'l Joint Research
  • [Presentation] Evidence for a quantum-spin-Hall phase in graphene decorated with Bi2Te3 nanoparticles2018

    • Author(s)
      K. Hatsuda, H. Mine, T. Nakamura, J. Li, R. Wu, S. Katsumoto, J. Haruyama
    • Organizer
      One-day Symposium on Spintronic Properties of Graphene and Related 2D Materials
    • Int'l Joint Research
  • [Presentation] Spin-polarized coherent tunneling in fully epitaxial magnetic tunnel junctions with rock-salt type MgO/ZnO bilayer tunnel barrier2018

    • Author(s)
      Hidekazu Saito, Shintaro Kon, Sai Krishna Narayananellore, Norihiro Matsuo, Naoki Doko, Yukiko Yasukawa, and Shinji Yuasa
    • Organizer
      Physics and Applications of Spin-related Phenomena in Semiconductors -23
  • [Presentation] High magnetoresistance in fully epitaxial magnetic tunnel junctions with rock-salt type MgO/ZnO bilayer tunnel barrier2018

    • Author(s)
      Hidekazu Saito, Shintaro Kon, Sai Krishna Narayananellore, Norihiro Matsuo, Naoki Doko, Yukiko Yasukawa, and Shinji Yuasa
    • Organizer
      One day symposium on spintronic properties of graphene and related 2D materials
  • [Presentation] 半導体障壁層を有する全単結晶磁気トンネル接合の作製とトンネル磁気抵抗2018

    • Author(s)
      齋藤秀和、Sai Krishna Narayananellore、松尾紀宏、土公尚樹、昆慎太郎、安川雪子、湯浅新治
    • Organizer
      磁気記録・情報ストレージ研究会
  • [Presentation] Fabrication of fully epitaxial magnetic tunnel junctions with rock-salt type ZnO/MgO bilayer tunnel barrier2018

    • Author(s)
      Hidekazu Saito, Shintaro Kon, Sai Krishna Narayananellore, Norihiro Matsuo, Naoki Doko, Yukiko Yasukawa, and Shinji Yuasa
    • Organizer
      第79回応用物理学会秋季学術講演会
  • [Presentation] Quantification of spin drift in nonlocal devices with a heavily-doped Si channel2018

    • Author(s)
      A. Spiesser, Y. Fujita, H. Saito, S. Yamada, K. Hamaya, W. Mizubayashi, K. Endo, S. Yuasa, and R. Jansen
    • Organizer
      2018 E-MRS Fall Meeting
    • Int'l Joint Research
  • [Presentation] Nonlinear spin detection in a biased ferromagnetic tunnel contact2018

    • Author(s)
      R. Jansen, A. Spiesser, H. Saito, Y. Fujita, S. Yamada, K. Hamaya, and S. Yuasa
    • Organizer
      INTERMAG 2018
    • Int'l Joint Research
  • [Presentation] Observation and quantification of spin drift in non-local devices with a heavily-doped Si channel2018

    • Author(s)
      A. Spiesser, Y. Fujita, H. Saito, S. Yamada, K. Hamaya, W. Mizubayashi, K. Endo, S. Yuasa, and R. Jansen
    • Organizer
      INTERMAG 2018
    • Int'l Joint Research
  • [Presentation] Low-resistance ferromagnet/germanium Schottky-tunnel contacts for spintronic applications2018

    • Author(s)
      K. Hamaya, T. Naito, M. Tsukahara, M. Yamada, and K. Sawano
    • Organizer
      The Electrochemical Society, 2018 SiGe Symposium
    • Int'l Joint Research / Invited
  • [Presentation] Room-temperature spin transport in n-Ge probed by four-terminal nonlocal measurements2018

    • Author(s)
      M. Yamada, M. Tsukahara, Y. Fujita, T. Naito, S. Yamada, K. Sawano, and K. Hamaya
    • Organizer
      第79回 応用物理学会秋季学術講演会
    • Invited
  • [Presentation] Room-temperature spin transport in germanium using Heusler-alloy contacts2018

    • Author(s)
      K. Hamaya
    • Organizer
      The 2018 E-MRS Fall Meeting
    • Int'l Joint Research / Invited
  • [Presentation] 絶縁トンネル障壁層を用いない半導体へのスピン注入技術2018

    • Author(s)
      浜屋宏平
    • Organizer
      学振154委員会研究会
    • Invited
  • [Presentation] Spin transport and relaxation in germanium detected by electrical measurements2018

    • Author(s)
      K. Hamaya
    • Organizer
      The Spintronics Symposium of the SPIE Optics & Photonics Conference
    • Int'l Joint Research / Invited
  • [Presentation] Spin transport in Ge and SiGe2018

    • Author(s)
      M. Yamada, M. Tukahara, Y. Fujita, T. Naito, S. Yamada, K. Sawano, and K. Hamaya
    • Organizer
      CSRN-Osaka Annual Workshop 2018
    • Int'l Joint Research
  • [Presentation] Local magnetoresistance effect at room temperature in Co2FeAlxSi1-x/n-Ge lateral spin-valve devices2018

    • Author(s)
      M. Yamada, M. Tukahara, T. Naito, Y. Fujita, S. Yamada, K. Sawano, and K. Hamaya
    • Organizer
      One-Day Symposium on Spintronics Properties of Graphene and Related 2D Materials
    • Int'l Joint Research
  • [Presentation] Spin transport through Sb-doped n-Ge in vertical spin-valve devices2018

    • Author(s)
      T. Shiihara, M. Yamada, S. Sakai, M. Ikawa, S. Yamada, and K. Hamaya
    • Organizer
      One-Day Symposium on Spintronics Properties of Graphene and Related 2D Materials
    • Int'l Joint Research
  • [Presentation] Spin transport in a Ge-rich SiGe alloy2018

    • Author(s)
      Takahiro Naito, Michihiro Yamada, Makoto Tsukahara, Kentarou Sawano, and Kohei Hamaya
    • Organizer
      The 2018 E-MRS Fall Meeting
    • Int'l Joint Research
  • [Presentation] Epitaxial Growth of Sb-doped Ge Layers on Ferromagnetic Fe3Si for Vertical Semiconductor Spintronic Devices2018

    • Author(s)
      T. Shiihara, S. Oki, S. Sakai, M. Ikawa, S. Yamada, and K. Hamaya
    • Organizer
      2018 International Conference on Solid State Devices and Materials
    • Int'l Joint Research
  • [Presentation] Observation of spin-gapless semiconductor-like magnetotransport in CoFeVSi epitaxial films2018

    • Author(s)
      S. Yamada, S. Kobayashi, K. Arima and K. Hamaya
    • Organizer
      International Conference on Magnetism 2018
    • Int'l Joint Research
  • [Presentation] Electrical spin injection and transport in a SiGe alloy2018

    • Author(s)
      M. Yamada, T. Naito, M. Tsukahara, S. Yamada, K. Sawano, and K. Hamaya
    • Organizer
      The 9th International SiGe Technology and Device Meeting
    • Int'l Joint Research
  • [Presentation] Large local magnetoresistance in Si<100> devices at room temperature2018

    • Author(s)
      M. Ishikawa, M. Tsukahara, M. Yamada, Y. Saito, and K. Hamaya
    • Organizer
      INTERMAG 2018
    • Int'l Joint Research
  • [Presentation] Observation of local spin signals at room temperature in germanium lateral devices2018

    • Author(s)
      M. Tsukahara, M. Yamada, T. Naito, Y. Fujita, S. Yamada, K. Sawano, and K. Hamaya
    • Organizer
      INTERMAG 2018
    • Int'l Joint Research
  • [Presentation] 反平行磁化配置が不安定なゲルマニウム横型スピンバルブ素子における非局所スピン伝導2018

    • Author(s)
      沖宗一郎,山田道洋,山田晋也,澤野憲太郎,浜屋宏平
    • Organizer
      第42回日本磁気学会学術講演大会
  • [Presentation] エピタキシャルCoFe/n-Ge/Fe3Si縦型構造の作製2018

    • Author(s)
      椎原貴洋,沖宗一郎,酒井宗一朗,井川昌彦,山田晋也,浜屋宏平
    • Organizer
      第42回日本磁気学会学術講演大会
  • [Presentation] Spin transport in low-dimensional and exotic materials systems2018

    • Author(s)
      M. Shiraishi
    • Organizer
      E-MRS Fall meeting
    • Int'l Joint Research / Invited
  • [Presentation] Bi and Bi-related spintronics2018

    • Author(s)
      白石誠司
    • Organizer
      物性研ワークショップ「強スピン結合」
    • Invited
  • [Presentation] 2次元電子材料におけるスピン輸送とスピン変換2018

    • Author(s)
      白石誠司
    • Organizer
      2018年度日本表面真空学会
    • Invited
  • [Presentation] オーソドックスな半導体とエキゾチックな半導体を舞台としたスピン流輸送2018

    • Author(s)
      白石誠司
    • Organizer
      第36回電子材料シンポジウム
    • Invited
  • [Presentation] 異種材料結合系におけるスピン輸送とスピン変換2018

    • Author(s)
      白石誠司
    • Organizer
      日本物理学会2018年秋季大会
    • Invited
  • [Presentation] 固体表面・界面を用いたスピン輸送とスピン変換2018

    • Author(s)
      白石誠司
    • Organizer
      学振第154委員会
    • Invited
  • [Presentation] Spin-charge interconversion in topological surface states detected by copper-based lateral spin valves2018

    • Author(s)
      Y. Ando and M. Shiraishi
    • Organizer
      One-Day Symposium on Spintronic Properties of Graphene and Related 2D Materials
    • Int'l Joint Research / Invited
  • [Presentation] Room-temperature spin transport at LaAlO3/SrTiO3 interfaces2018

    • Author(s)
      R.Ohshima
    • Organizer
      SPIE Spintronics XI
    • Int'l Joint Research / Invited
  • [Presentation] Observation of room-temperature spin transport at LaAlO3/SrTiO3 interfaces2018

    • Author(s)
      R.Ohshima, Y. Ando, K. Matsuzaki, T. Susaki, M. Weiler, S. Klingler, H. Huebl, E. Shikoh, T. Shinjo, S.T.B. Goennenwein, and *M. Shiraishi
    • Organizer
      10th International School and Conference on Physics and Applications of Spin Phenomena in Solids
    • Int'l Joint Research
  • [Presentation] Induced Spin-Orbit Coupling in Silicon Thin Films by Bismuth Doping2018

    • Author(s)
      F.Rortais, S.Lee, R.Ohshima, S.Dushenko, Y.Ando and M.Shiraishi
    • Organizer
      21st ICM
    • Int'l Joint Research
  • [Presentation] 酸化物ヘテロ構造を用いた室温スピン輸送2018

    • Author(s)
      大島諒、白石誠司
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Invited
  • [Presentation] Spin-pump-induced spin transport in n-type 3C-SiC2018

    • Author(s)
      E. Shigematsu, R. Ohshima, Y. Ando, T. Shinjo, T. Kimoto, and M. Shiraishi
    • Organizer
      第79回応用物理学会秋季学術講演会
  • [Presentation] Induced Spin-orbit coupling in silicon thin films by bismuth doping2018

    • Author(s)
      F.Rortais, S.Lee, R.Ohshima, S.Dushenko, Y.Ando and M.Shiraishi
    • Organizer
      第79回応用物理学会秋季学術講演会
  • [Presentation] Spin-charge interconversion in topological surface states2018

    • Author(s)
      Y. Ando and M. Shiraishi
    • Organizer
      第42回 日本磁気学会学術講演会 "Frontiers of spin-orbitronics"
  • [Presentation] 横型スピンバルブを用いた銅酸化物中におけるスピン拡散長及びスピン流-電流変換効果の定量評価2018

    • Author(s)
      山田暉馨, 有木大晟, 大西紘平, 安藤裕一郎, 木村崇, 白石誠司
    • Organizer
      日本物理学会2018年秋季大会
  • [Remarks] 金属が半導体に化ける可能性

    • URL

      http://www.kyoto-u.ac.jp/ja/research/research_results/2018/180807_1.html

  • [Remarks] グラフェンをトポロジカル絶縁体に変えることに成功

    • URL

      https://www.issp.u-tokyo.ac.jp/maincontents/news2.html?pid=6215

  • [Patent(Industrial Property Rights)] スピントロニクス素子、スピントランジスタ及び磁気抵抗メモリ2018

    • Inventor(s)
      Sergey Dushenko、白石誠司、外園将也、安藤裕一郎
    • Industrial Property Rights Holder
      Sergey Dushenko、白石誠司、外園将也、安藤裕一郎
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      特願2018-126805
  • [Patent(Industrial Property Rights)] トンネルダイオード及びその製造方法2018

    • Inventor(s)
      齋藤秀和、湯浅新治
    • Industrial Property Rights Holder
      産業技術総合研究所
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      特願2018-199861

URL: 

Published: 2019-12-27  

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