Non-Collinear Spintronics

• Project/Area Number: 19H05622
• Research Category: Grant-in-Aid for Scientific Research (S)
• Allocation Type: Single-year Grants
• Review Section: Broad Section D
• Research Institution: Tohoku University
• Principal Investigator: 深見 俊輔 東北大学, 電気通信研究所, 教授 (60704492)
• Co-Investigator(Kenkyū-buntansha): 家田 淳一 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力科学研究所 先端基礎研究センター, 研究主幹 (20463797) ; 金井 駿 東北大学, 電気通信研究所, 准教授 (40734546) ; DUTTAGUPTA SAMIK 東北大学, 先端スピントロニクス研究開発センター, 助教 (30807657) ; 張 超亮 東北大学, 学際科学フロンティア研究所, 助教 (80807678)
• Project Period (FY): 2019-06-26 – 2024-03-31
• Project Status: Completed (Fiscal Year 2023)
• Budget Amount: ¥202,150,000 (Direct Cost: ¥155,500,000、Indirect Cost: ¥46,650,000); Fiscal Year 2023: ¥27,040,000 (Direct Cost: ¥20,800,000、Indirect Cost: ¥6,240,000); Fiscal Year 2022: ¥30,420,000 (Direct Cost: ¥23,400,000、Indirect Cost: ¥7,020,000); Fiscal Year 2021: ¥35,750,000 (Direct Cost: ¥27,500,000、Indirect Cost: ¥8,250,000); Fiscal Year 2020: ¥39,780,000 (Direct Cost: ¥30,600,000、Indirect Cost: ¥9,180,000); Fiscal Year 2019: ¥69,160,000 (Direct Cost: ¥53,200,000、Indirect Cost: ¥15,960,000)
• Keywords: スピントロニクス / ノンコリニア磁気構造 / トポロジー / スピン・軌道相互作用 / 不揮発性メモリ / 脳型情報処理 / ワイル半金属 / 反強磁性体 / カイラルスピン構造 / スピントルク / スピン軌道相互作用

Outline of Research at the Start

磁性体の集団的磁気秩序の電気的制御はスピントロニクスの中心的課題である。本研究ではこの分野で未開拓の磁気秩序－ノンコリニア磁気構造－に着目し、磁気秩序の電気的制御に新展開をもたらす。これまでに多くの研究がなされているコリニア系における現象の理解を発展させ、そこで確立した地図と道具を携え“ノンコリニアスピントロニクス”に挑む。ノンコリニア磁気構造を介して発現する数々の新奇物理現象を観測し、スピントロニクス素子としての利用方法を実験で明らかにする。これらは超高速不揮発性磁気メモリや脳型情報処理に向けた新たな基盤となる。

Outline of Annual Research Achievements

本研究課題では、電子デバイス、情報処理端末の高性能化、超低消費電力化に革新をもたらす技術へと発展することを期待し、スピントロニクスにおいてこれまで開拓されていないノンコリニア（非共線的）な磁気構造の持つ機能性とその利用方法を明らかにすることを通して、スピントロニクスの新たなパラダイム「ノンコリニアスピントロニクス」を開拓することを目指して研究を推進した。カイラルスピン構造の電流駆動や、仮想磁場の機能性素子応用などに取り組み、不揮発性メモリ、脳型情報処理の新基盤を構築する。
最終年度となった2023年度は2022年度までで構築したノンコリニア材料の作製技術と基本物性、動的特性に関する知見、理解を基礎に、ノンコリニア磁気構造に付随した新規物理現象や新デバイス機能の開拓に関する研究を推進した。具体的な成果として、
(1) ノンコリニア反強磁性体の磁気八極子と強磁性体の磁気双極子のスピン軌道トルクへの応答様式の違いの解明。(2) ノンコリニア反強磁性体と非磁性重金属の界面に形成される特殊なスピン構造を介した量子計量の室温制御。(3) 磁性材料で形成したナノスケールノンコリニア磁気構造ジャイロイドの磁気構造のマイクロマグネティック計算による予測。(4) テンプレートを用いた単結晶ジャイロイド試料の作製方法の構築。
などを得た。

Research Progress Status

令和5年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和5年度が最終年度であるため、記入しない。

Assessment Rating

Interim Assessment Comments (Rating)

A+: In light of the aim of introducing the research area into the research categories, more progress has been made in research than expected.

Research Products

• [Int'l Joint Research] Johannes Gutenberg Universitat Mainz(ドイツ)
• [Int'l Joint Research] University of Lorraine(フランス)
• [Int'l Joint Research] UC Santa Barbara/Purdue University/Massachusetts Institute of Technology(米国)
• [Int'l Joint Research] IISER Bhopal(インド)
• [Int'l Joint Research] University of Gothenburg(スウェーデン)
• [Int'l Joint Research] Johannes Gutenberg Universitat Mainz(ドイツ)
• [Int'l Joint Research] University of Lorraine(フランス)
• [Int'l Joint Research] UC Santa Barbara/Purdue University/Massachusetts Institute of Technology(米国)
• [Int'l Joint Research] IISER Bhopal(インド)
• [Int'l Joint Research] University of Gothenburg(スウェーデン)
• [Int'l Joint Research] Univ. Paris-Sud/Univ. Lorraine(フランス)
• [Int'l Joint Research] Univ. Gothenburg(スウェーデン)
• [Int'l Joint Research] ETH Zurich/Univ. Fribourg/Paul Scherrer Institute(スイス)
• [Int'l Joint Research] Univ. Mainz/Forschungzentrum Julich/Helmholtz Zentrum Dresden-Rossendorf(ドイツ)
• [Int'l Joint Research] Purdue Univ./Argonne National Laboratory(米国)
• [Int'l Joint Research]
• [Journal Article] Pitch Scaling Prospect of Ultra-Small Magnetic Tunnel Junctions for High-Density STT-MRAM: Effects of Magnetostatic Interference From Neighboring Bits (2024)
  • Author(s): Shinoda Takanobu、Igarashi Junta、Jinnai Butsurin、Fukami Shunsuke、Ohno Hideo
  • Journal Title: IEEE Electron Device Letters Volume: 45 Issue: 2 Pages: 184-187
  • DOI: 10.1109/led.2023.3345743
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Single-nanometer CoFeB/MgO magnetic tunnel junctions with high-retention and high-speed capabilities (2024)
  • Author(s): Igarashi Junta、Jinnai Butsurin、Watanabe Kyota、Shinoda Takanobu、Funatsu Takuya、Sato Hideo、Fukami Shunsuke、Ohno Hideo
  • Journal Title: npj Spintronics Volume: 2 Issue: 1
  • DOI: 10.1038/s44306-023-00003-2
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Magnetic order in nanoscale gyroid networks (2023)
  • Author(s): Koshikawa Ami S.、Llandro Justin、Ohzeki Masayuki、Fukami Shunsuke、Ohno Hideo、Leo Naemi
  • Journal Title: Physical Review B Volume: 108 Issue: 2
  • DOI: 10.1103/physrevb.108.024414
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Handedness anomaly in a non-collinear antiferromagnet under spin-orbit torque (2023)
  • Author(s): Ju-Young Yoon, Pengxiang Zhang, Chung-Tao Chou, Yutaro Takeuchi, Tomohiro Uchimura, Justin T. Hou, Jiahao Han, Shun Kanai, Hideo Ohno, Shunsuke Fukami, and Luqiao Liu
  • Journal Title: Nature Materials Volume: 22 Issue: 9 Pages: 1106-1113
  • DOI: 10.1038/s41563-023-01620-2
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Spintronic devices for high-density memory and neuromorphic computing - A review (2023)
  • Author(s): Chen BingJin、Zeng Minggang、Khoo Khoong Hong、Das Debasis、Fong Xuanyao、Fukami Shunsuke、Li Sai、Zhao Weisheng、Parkin Stuart S.P.、Piramanayagam S.N.、Lim Sze Ter
  • Journal Title: Materials Today Volume: 70 Pages: 193-217
  • DOI: 10.1016/j.mattod.2023.10.004
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Directed Self-Assembly of Diamond Networks in Triblock Terpolymer Films on Patterned Substrates (2023)
  • Author(s): Abdelrahman Doha、Iseli Ren、Musya Michimasa、Jinnai Butsurin、Fukami Shunsuke、Yuasa Takeshi、Sai Hiroaki、Wiesner Ulrich B.、Saba Matthias、Wilts Bodo D.、Steiner Ullrich、Llandro Justin、Gunkel Ilja
  • Journal Title: ACS Applied Materials & Interfaces Volume: 15 Issue: 50 Pages: 57981-57991
  • DOI: 10.1021/acsami.3c10619
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Coherent antiferromagnetic spintronics (2023)
  • Author(s): Han Jiahao、Cheng Ran、Liu Luqiao、Ohno Hideo、Fukami Shunsuke
  • Journal Title: Nature Materials Volume: 22 Issue: 6 Pages: 684-695
  • DOI: 10.1038/s41563-023-01492-6
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Thermal stability of non-collinear antiferromagnetic Mn₃Sn nanodot (2023)
  • Author(s): Sato Yuma、Takeuchi Yutaro、Yamane Yuta、Yoon Ju-Young、Kanai Shun、Ieda Jun’ichi、Ohno Hideo、Fukami Shunsuke
  • Journal Title: Applied Physics Letters Volume: 122 Issue: 12 Pages: 122404-122404
  • DOI: 10.1063/5.0135709
  • Peer Reviewed
• [Journal Article] Nonlinear conductance in nanoscale CoFeB/MgO magnetic tunnel junctions with perpendicular easy axis (2023)
  • Author(s): Shinozaki Motoya、Igarashi Junta、Iwakiri Shuichi、Kitada Takahito、Hayakawa Keisuke、Jinnai Butsurin、Otsuka Tomohiro、Fukami Shunsuke、Kobayashi Kensuke、Ohno Hideo
  • Journal Title: Physical Review B Volume: 107 Issue: 9
  • DOI: 10.1103/physrevb.107.094436
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Theory of Emergent Inductance with Spin-Orbit Coupling Effects (2022)
  • Author(s): Yamane Yuta、Fukami Shunsuke、Ieda Jun’ichi
  • Journal Title: Physical Review Letters Volume: 128 Issue: 14
  • DOI: 10.1103/physrevlett.128.147201
  • Peer Reviewed
• [Journal Article] Observation of domain structure in non-collinear antiferromagnetic Mn3Sn thin films by magneto-optical Kerr effect (2022)
  • Author(s): Uchimura Tomohiro、Yoon Ju-Young、Sato Yuma、Takeuchi Yutaro、Kanai Shun、Takechi Ryota、Kishi Keisuke、Yamane Yuta、DuttaGupta Samik、Ieda Jun'ichi、Ohno Hideo、Fukami Shunsuke
  • Journal Title: Applied Physics Letters Volume: 120 Issue: 17 Pages: 172405-172405
  • DOI: 10.1063/5.0089355
  • Peer Reviewed
• [Journal Article] Local bifurcation with spin-transfer torque in superparamagnetic tunnel junctions (2022)
  • Author(s): Funatsu Takuya、Kanai Shun、Ieda Jun’ichi、Fukami Shunsuke、Ohno Hideo
  • Journal Title: Nature Communications Volume: 13 Issue: 1 Pages: 4079-4079
  • DOI: 10.1038/s41467-022-31788-1
  • Peer Reviewed / Open Access
• [Journal Article] Anisotropic magnetotransport in the layered antiferromagnet TaFe1.25Te3 (2022)
  • Author(s): Roy Chowdhury Rajeswari、DuttaGupta Samik、Patra Chandan、Kataria Anshu、Fukami Shunsuke、Singh Ravi Prakash
  • Journal Title: Physical Review Materials Volume: 6 Issue: 8
  • DOI: 10.1103/physrevmaterials.6.084408
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Large Exotic Spin Torques in Antiferromagnetic Iron Rhodium (2022)
  • Author(s): Gibbons Jonathan、Dohi Takaaki、Amin Vivek P.、Xue Fei、Ren Haowen、Xu Jun-Wen、Arava Hanu、Shim Soho、Saglam Hilal、Liu Yuzi、Pearson John E.、Mason Nadya、Petford-Long Amanda K.、Haney Paul M.、Stiles Mark D.、Fullerton Eric E.、Kent Andrew D.、Fukami Shunsuke、Hoffmann Axel
  • Journal Title: Physical Review Applied Volume: 18 Issue: 2
  • DOI: 10.1103/physrevapplied.18.024075
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] External-Field-Robust Stochastic Magnetic Tunnel Junctions Using a Free Layer with Synthetic Antiferromagnetic Coupling (2022)
  • Author(s): Kobayashi Keito、Hayakawa Keisuke、Igarashi Junta、Borders William A.、Kanai Shun、Ohno Hideo、Fukami Shunsuke
  • Journal Title: Physical Review Applied Volume: 18 Issue: 5 Pages: 054085-054085
  • DOI: 10.1103/physrevapplied.18.054085
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Neuromorphic spintronics (2020)
  • Author(s): Grollier J.、Querlioz D.、Camsari K. Y.、Everschor-Sitte K.、Fukami S.、Stiles M. D.
  • Journal Title: Nature Electronics Volume: 3 Issue: 7 Pages: 360-370
  • DOI: 10.1038/s41928-019-0360-9
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] 限界を極める高性能微細磁気トンネル接合素子 (2020)
  • Author(s): 深見俊輔、大野英男
  • Journal Title: パリティ「物理科学，この１年」 2020 Volume: 2020 Pages: 42-45
  • Open Access
• [Journal Article] Write-error rate of nanoscale magnetic tunnel junctions in the precessional regime (2019)
  • Author(s): Saino Takaharu、Kanai Shun、Shinozaki Motoya、Jinnai Butsurin、Sato Hideo、Fukami Shunsuke、Ohno Hideo
  • Journal Title: Applied Physics Letters Volume: 115 Issue: 14 Pages: 142406-142406
  • DOI: 10.1063/1.5121157
  • Peer Reviewed
• [Journal Article] Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles (2019)
  • Author(s): T. Dohi, S. DuttaGupta, S. Fukami, and H. Ohno
  • Journal Title: Nature Communications Volume: 10 Issue: 1 Pages: 5153-5153
  • DOI: 10.1038/s41467-019-13182-6
  • Peer Reviewed / Open Access
• [Journal Article] Crystal orientation and anomalous Hall effect of sputter-deposited non-collinear antiferromagnetic Mn3Sn thin films (2019)
  • Author(s): Yoon Juyoung、Takeuchi Yutaro、Itoh Ryuichi、Kanai Shun、Fukami Shunsuke、Ohno Hideo
  • Journal Title: Applied Physics Express Volume: 13 Issue: 1 Pages: 013001-013001
  • DOI: 10.7567/1882-0786/ab5874
  • NAID: 210000157614
  • Peer Reviewed
• [Journal Article] Stack structure and temperature dependence of spin-orbit torques in heterostructures with antiferromagnetic PtMn (2019)
  • Author(s): Itoh Ryuichi、Takeuchi Yutaro、DuttaGupta Samik、Fukami Shunsuke、Ohno Hideo
  • Journal Title: Applied Physics Letters Volume: 115 Issue: 24 Pages: 242404-242404
  • DOI: 10.1063/1.5129829
  • Peer Reviewed
• [Journal Article] スピン軌道トルク素子と脳型情報処理応用 (2019)
  • Author(s): 深見俊輔、大野英男
  • Journal Title: 日本磁気学会誌『まぐね』 Volume: 14 Pages: 341-347
• [Presentation] Coherent antiferromagnetic spintronics: new opportunities for controlling the magnetic states of antiferromagnets (2024)
  • Author(s): J. Han
  • Organizer: GP-Spin/AIMR Mini Workshop on (Quantum) Magnonics
  • Int'l Joint Research / Invited
• [Presentation] Electrical control of noncollinear antiferromagnetic Mn3Sn (2024)
  • Author(s): S. Fukami
  • Organizer: International Symposium on Quantum Electronics
  • Int'l Joint Research / Invited
• [Presentation] Spin-pumping driven by non-linear harmonic generation (2024)
  • Author(s): A. Sud, T. Dohi, M. Cubukcu, K. V. De Zoysa, Y. Yamane, S. Kanai and S. Fukam
  • Organizer: International Symposium on Quantum Electronics
  • Int'l Joint Research
• [Presentation] Spin-orbit and orbital torque in (W or Cr)/CoFeB/MgO stacks for SOT-MRAM application (2024)
  • Author(s): S. Chiba, Y. Marui, H. Ohno, and S. Fukami
  • Organizer: International Symposium on Quantum Electronics
  • Int'l Joint Research
• [Presentation] Magnetic studies of epitaxial thin films of noncollinear Weyl antiferromagnet Mn3Sn (2024)
  • Author(s): K. Gas, S. Wakabayashi, T. Uchimura, J.-Y. Yoon, Y. Takeuchi, S. Kanai, M. Sawicki, H. Ohno, and S. Fukami
  • Organizer: International Symposium on Quantum Electronics
  • Int'l Joint Research
• [Presentation] Magnetic tunnel junction-based readout for spin Hall nano-oscillators (2024)
  • Author(s): A. Kumar, T. Dohi, M. Zahedinejad, R. Khymyn, S. Kanai, S. Fukami and J. Akerman
  • Organizer: International Symposium on Quantum Electronics
  • Int'l Joint Research
• [Presentation] Magnetic tunnel junction-based readout for spin Hall nano-oscillators (2024)
  • Author(s): A. Kumar, T. Dohi, M. Zahedinejad, R. Khymyn, S. Kanai, S. Fukami, and J. Akerman
  • Organizer: Iwate Spintronics School, 2024 Winter
  • Int'l Joint Research
• [Presentation] Unconventional spin Hall magnetoresistance in a non-collinear antiferromagnet/heavy metal stack (2024)
  • Author(s): T. Uchimura, J. Han, P. Tang, J.-Y. Yoon, Y. Takeuchi, Y. Yamane, S. Kanai, G. E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: Iwate Spintronics School, 2024 Winter
  • Int'l Joint Research
• [Presentation] Size dependence of thermal stability factor in non-collinear antiferromagnet Mn3Sn annodot (2024)
  • Author(s): Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, S. Kanai, J. Ieda, H. Ohno, and S. Fukami
  • Organizer: Iwate Spintronics School, 2024 Winter
  • Int'l Joint Research
• [Presentation] Probabilistic spintronics - computing and device physics (2024)
  • Author(s): S. Fukami
  • Organizer: Iwate Spintronics School, 2024 Winter
  • Int'l Joint Research / Invited
• [Presentation] Probabilistic computing with stochastic spintronics device (2024)
  • Author(s): S. Fukami
  • Organizer: ASPIRE 2024 HIROSHIMA
  • Int'l Joint Research / Invited
• [Presentation] スピントロニクス確率論的コンピューティング (2024)
  • Author(s): 深見俊輔
  • Organizer: 第2回量子アニーリング及び関連技術に関する研究会
  • Invited
• [Presentation] Field-like torque origin of the unconventional spin Hall magnetoresistance in a noncollinear antiferromagnet (2024)
  • Author(s): T. Uchimura, J. Han, P. Tang, J.-Y. Yoon, Y. Takeuchi, Y. Yamane, S. Kanai, G. E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: 第27回半導体におけるスピン工学の基礎と応用 (PASPS-27)
• [Presentation] Demonstration of the in-plane stochastic magnetic tunnel junction based fast probabilistic bit and Bayesian networks (2024)
  • Author(s): Haruna Kaneko, Nihal Sanjay Singh, Shaila Niazi, Shuvro Chowdhury, Kemal Selcuk, Keito Kobayashi, Shun Kanai, Hideo Ohno, Kerem Y. Camsari, and Shunsuke Fukami
  • Organizer: 第27回半導体におけるスピン工学の基礎と応用 (PASPS-27)
• [Presentation] Thermal stability of non-collinear antiferromagnet Mn3Sn nanoscale single dots (2024)
  • Author(s): Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, S. Kanai, J. Ieda, H. Ohno and S. Fukami
  • Organizer: 第27回半導体におけるスピン工学の基礎と応用 (PASPS-27)
• [Presentation] Demonstration of the in-plane stochastic magnetic tunnel junction based fast probabilistic bit and Bayesian networks (2024)
  • Author(s): Haruna Kaneko, Nihal Sanjay Singh, Shaila Niazi, Shuvro Chowdhury, Kemal Selcuk, Keito Kobayashi, Shun Kanai, Hideo Ohno, Kerem Y. Camsari, and Shunsuke Fukami
  • Organizer: スピントロニクス学術研究基盤と連携ネットワーク（Spin-RNJ）シンポジウム2023
• [Presentation] Dot size dependence of thermal stability factor in non-collinear antiferromagnetic Mn3Sn (2024)
  • Author(s): Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, S. Kanai, J. Ieda, H. Ohno and S. Fukami
  • Organizer: スピントロニクス学術研究基盤と連携ネットワーク（Spin-RNJ）シンポジウム2023
• [Presentation] Field-like torque origin of the unconventional spin Hall magnetoresistance in a noncollinear antiferromagnet (2024)
  • Author(s): T. Uchimura, J. Han, P. Tang, J.-Y. Yoon, Y. Takeuchi, Y. Yamane, S. Kanai, G. E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: スピントロニクス学術研究基盤と連携ネットワーク（Spin-RNJ）シンポジウム2023
• [Presentation] Time-resolved magneto-optical Kerr effect for antiferromagnetic Mn3Sn films with perpendicular magnetic anisotropy (2024)
  • Author(s): Zaizhou Jin, Tomohiro Uchimura, Satoshi Iihama, Yuta Yamane, Junta Igarashi, Shunsuke Fukami, Shigemi Mizukami
  • Organizer: スピントロニクス学術研究基盤と連携ネットワーク（Spin-RNJ）シンポジウム2023
• [Presentation] Comparative study of the current-induced torque in W/CoFeB/MgO and Cr/CoFeB/MgO (2024)
  • Author(s): 千葉 峻也、丸井 幸博、大野 英男、深見 俊輔
  • Organizer: 第71回応用物理学会春季学術講演会
• [Presentation] Demonstration of the in-plane stochastic magnetic tunnel junction based fast probabilistic bit and Bayesian networks (2024)
  • Author(s): Haruna Kaneko, Nihal Sanjay Singh, Shaila Niazi, Shuvro Chowdhury, Kemal Selcuk, Keito Kobayashi, Shun Kanai, Hideo Ohno, Kerem Y. Camsari, and Shunsuke Fukami
  • Organizer: 第71回応用物理学会春季学術講演会
• [Presentation] Current-induced hysteresis loop shift in non-collinear antiferromagnetic heterostructure (2024)
  • Author(s): Tomohiro Uchimura, Yuta Yamane, Takaaki Dohi, Jiahao Han, Ju-Young Yoon, Yuma Sato, Shun Wakabayashi, Yutaro Takeuchi, Shun Kanai, Jun'ichi Ieda, Hideo Ohno, Shunsuke Fukami
  • Organizer: 第71回応用物理学会春季学術講演会
  • Invited
• [Presentation] Time-resolved magneto-optical Kerr effect for antiferromagnetic Mn3Sn films with perpendicular magnetic anisotropy (2024)
  • Author(s): Zaizhou Jin, Tomohiro Uchimura, Satoshi Iihama, Yuta Yamane, Junta Igarashi, Shunsuke Fukami, Shigemi Mizukami
  • Organizer: 第71回応用物理学会春季学術講演会
• [Presentation] Probabilistic Computing with Spintronics (2023)
  • Author(s): S. Fukami
  • Organizer: 2nd Online RIEC International Workshop on Spintronics
  • Int'l Joint Research / Invited
• [Presentation] Functional spintronics (2023)
  • Author(s): S. Fukami
  • Organizer: Online Workshop for Joint Research between NTU and Tohoku University
  • Int'l Joint Research / Invited
• [Presentation] Current-Induced Control of Noncollinear Antiferromagnetic Mn3Sn (2023)
  • Author(s): S. Fukami
  • Organizer: International Conference on Superconductivity and Magnetism (icsm2023)
  • Int'l Joint Research / Invited
• [Presentation] Many-body magnonic open quantum systems (2023)
  • Author(s): M. Elyasi, T. Hioki, T. Makiuchi, S. Kanai, L. Sheng, K. Yamamoto, H. Kurebayashi, T. van der Sar, H. Yu, Y. Blanter, S. Fukami, E. Saitoh, G. Bauer
  • Organizer: IEEE International Magnetics Conference (Intermag 2023)
  • Int'l Joint Research / Invited
• [Presentation] Unconventional octupole dynamics of a non-collinear antiferromagnet driven by spin-orbit torque (2023)
  • Author(s): J.-Y. Yoon, P. Zhang, C. -T. Chou, Y. Takeuchi, T. Uchimura, J. T. Hou, J. Han, S. Kanai, H. Ohno, S. Fukami, L. Liu
  • Organizer: IEEE International Magnetics Conference (Intermag 2023)
  • Int'l Joint Research / Invited
• [Presentation] Unconventional Emergent Hall Effect Phenomena and its Modification in a van der Waals Ferromagnet Fe3GeTe2 (2023)
  • Author(s): R. R. Chowdhury, C. Patra, S. Duttagupta, S. Fukami, R. P. Singh
  • Organizer: IEEE International Magnetics Conference (Intermag 2023)
  • Int'l Joint Research
• [Presentation] Magnetic Tunnel Junction for Nonvolatile Memory and More (2023)
  • Author(s): S. Fukami
  • Organizer: The 2023 Spintronics Workshop on LSI
  • Int'l Joint Research / Invited
• [Presentation] SOT-MRAM - Physics, Material/Device Engineering and Integration (2023)
  • Author(s): S. Fukami
  • Organizer: SUMKEN Seminar
  • Int'l Joint Research / Invited
• [Presentation] Noncollinear Antiferromagnetic Mn3Sn - Physics and Functionalities (2023)
  • Author(s): S. Fukami
  • Organizer: International Conference on Materials for Advanced Technologies (ICMAT2023)
  • Int'l Joint Research / Invited
• [Presentation] Spintronic Probabilistic Computing (2023)
  • Author(s): S. Fukami
  • Organizer: International Conference on Materials for Advanced Technologies (ICMAT2023)
  • Int'l Joint Research / Invited
• [Presentation] Memristive Spin-Orbit Torque Switching in Nanocomposite CoPtCrB (2023)
  • Author(s): K.V. De Zoysa, S. DuttaGupta, B. Jinnai, H. Ohno, S. Fukami
  • Organizer: Gordon Research Seminar “Spin Dynamics in Nanostructures”
  • Int'l Joint Research
• [Presentation] Spin-orbit torque in W/CoFeB/MgO deposited on different oxide materials (2023)
  • Author(s): S. Chiba, Y. Takeuchi, K. Vihanga De Zoysa, Y. Marui, H. Ohno, and S. Fukami
  • Organizer: Gordon Research Seminar “Spin Dynamics in Nanostructures”
  • Int'l Joint Research
• [Presentation] Domain imaging in non-collinear antiferromagnetic Mn3Sn thin film by magneto-optical Kerr effect (2023)
  • Author(s): T. Uchimura, J.-Y.Yoon, Y. Sato, Y. Takeuchi, S. Kanai, H. Ohno, and S. Fukami
  • Organizer: Gordon Research Seminar “Spin Dynamics in Nanostructures”
  • Int'l Joint Research
• [Presentation] Memristive Spin-Orbit Torque Switching in Nanocomposite CoPtCrB (2023)
  • Author(s): K.V. De Zoysa, S. DuttaGupta, B. Jinnai, H. Ohno, S. Fukami
  • Organizer: Gordon Research Conference “Spin Dynamics in Nanostructures”
  • Int'l Joint Research
• [Presentation] Spin-orbit torque in W/CoFeB/MgO deposited on different oxide materials (2023)
  • Author(s): S. Chiba, Y. Takeuchi, K. Vihanga De Zoysa, Y. Marui, H. Ohno, and S. Fukami
  • Organizer: Gordon Research Conference “Spin Dynamics in Nanostructures”
  • Int'l Joint Research
• [Presentation] Physics and engineering of Stochastic Magnetic Tunnel Junction for Probabilistic Computing (2023)
  • Author(s): S. Fukami
  • Organizer: Gordon Research Conference “Spin Dynamics in Nanostructures”
  • Int'l Joint Research / Invited
• [Presentation] Domain imaging in non-collinear antiferromagnetic Mn3Sn thin film by magneto-optical Kerr effect (2023)
  • Author(s): T. Uchimura, J.-Y.Yoon, Y. Sato, Y. Takeuchi, S. Kanai, H. Ohno, and S. Fukami
  • Organizer: Gordon Research Conference “Spin Dynamics in Nanostructures”
  • Int'l Joint Research
• [Presentation] Stochastic magnetic tunnel junction for probabilistic computing (2023)
  • Author(s): S. Fukami
  • Organizer: 13th Joint European Magnetic Symposia (JEMS2023)
  • Int'l Joint Research / Invited
• [Presentation] Relaxation Time of Superparamagnetic Tunnel Junction at Various Temperatures (2023)
  • Author(s): H. Kaneko, R. Ota, K. Kobayashi, S. Kanai, H. Ohno, and S. Fukami
  • Organizer: 13th Joint European Magnetic Symposia (JEMS2023)
  • Int'l Joint Research
• [Presentation] Experimental Methods of Quantifying Magnetism of Thin Antiferromagnetic Layers Deposited on MgO Substrates (2023)
  • Author(s): K. Gas, S. Wakabayashi, T. Uchimura, J.-.Y. Yoon, Y. Takeuchi, S. Kanai, S. Fukami, H. Ohno, M. Sawicki
  • Organizer: 13th Joint European Magnetic Symposia (JEMS2023)
  • Int'l Joint Research
• [Presentation] Experimental Methods of Quantifying Magnetism of Thin Antiferromagnetic Layers Deposited on MgO Substrates (2023)
  • Author(s): K. Gas, K.P. Kluczyk, P. Skupiski, M.J. Grzybowski, T. Fus, J. Suffczyski, M. Baj, J.Z. Domagala, W. Wokanowicz, E. Susakowska, K. Grasza, A. Mycielski, M.A. Borysiewicz, K. Vyborny, U. Zlicke, R. Winkler, M. Sawicki, M. Gryglas-Borysiewicz
  • Organizer: 13th Joint European Magnetic Symposia (JEMS2023)
  • Int'l Joint Research
• [Presentation] Probabilistic computing with spintronics (2023)
  • Author(s): S. Fukami
  • Organizer: IEEE Magnetics Society Singapore Chapter - The 13th Annual Symposium on Magnetics 2023
  • Int'l Joint Research / Invited
• [Presentation] Stochastic magnetic tunnel junction for probabilistic computing (2023)
  • Author(s): S. Fukami
  • Organizer: 1st Workshop on the Chicago-Tohoku Quantum Alliance
  • Int'l Joint Research / Invited
• [Presentation] Solid-state spin defect with oxides (2023)
  • Author(s): S. Kanai
  • Organizer: 1st Workshop on the Chicago-Tohoku Quantum Alliance
  • Int'l Joint Research / Invited
• [Presentation] Spin-orbit torque in W/CoFeB/MgO deposited on different oxide materials (2023)
  • Author(s): S. Chiba, Y. Takeuchi, K. Vihanga De Zoysa, Y. Marui, H. Ohno, and S. Fukami
  • Organizer: 1st Workshop on the Chicago-Tohoku Quantum Alliance
  • Int'l Joint Research
• [Presentation] Current-induced dynamics in noncollinear antiferromagnetic Mn3Sn (2023)
  • Author(s): S. Fukami
  • Organizer: SPICE Workshop - Terahertz spintronics: toward terahertz spin-based devices
  • Int'l Joint Research / Invited
• [Presentation] Magnetic tunnel junction for nonvolatile memory and probabilistic computing (2023)
  • Author(s): S. Fukami
  • Organizer: Spintec seminar - magnetoresistive sensors and magnetic tunnel junctions
  • Int'l Joint Research / Invited
• [Presentation] Handedness anomaly in a non-collinear antiferromagnet under spin-orbit torque (2023)
  • Author(s): J. Han, J.-Y. Yoon, P. Zhang, C.-T. Chou, Y. Takeuchi, T. Uchimura, J. T. Hou, S. Kanai, H. Ohno, S. Fukami, and L. Liu
  • Organizer: 5th International Workshop on Spintronics Memory and Logic (SML)
  • Int'l Joint Research / Invited
• [Presentation] Validation of the Neel-Arrhenius law in nanomagnetic tunnel junctions (2023)
  • Author(s): S. Kanai, M. Elyasi, G. E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials
  • Int'l Joint Research
• [Presentation] Switching Attempt Times of Superparamagnetic Tunnel Junctions as a Function of Diameter and Temperature (2023)
  • Author(s): H. Kaneko, R. Ota, K. Kobayashi, S. Kanai, M. Elyasi, G. E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research
• [Presentation] Coherent Antiferromagnetic Spintronics (2023)
  • Author(s): J. Han, R. Cheng, L. Liu, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research / Invited
• [Presentation] Orbital torque in Cr/CoFeB/MgO stack compatible with SOT-MRAM application (2023)
  • Author(s): S. Chiba, Y. Marui, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research
• [Presentation] Bias voltage robustness in double-free-layer stochastic magnetic tunnel junction (2023)
  • Author(s): R. Ota, K. Kobayashi, K. Hayakawa, S. Kanai, K.Y. Camsari, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research
• [Presentation] Comprehensive study of crystalline structure, magnetic and magnetotransport properties of Mn3Sn thin films with various thicknesses (2023)
  • Author(s): S. Wakabayashi, J.-Y. Yoon, K. Gas, Y. Takeuchi, Y. Yamane, T. Uchimura, Y. Sato, K. Kishi, S. Kanai, M. Sawicki, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research
• [Presentation] Interfacial Dzyaloshinskii-Moriya interaction in a non-collinear antiferromagnet/heavy metal heterostructure (2023)
  • Author(s): T. Uchimura, Y. Yamane, T. Dohi1, J. Han , J.-Y. Yoon , Y. Sato, S. Wakabayashi, Y. Takeuchi, S. Kanai , J. Ieda, H. Ohno, and S. Fukami
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research
• [Presentation] Thermal Stability Factor of L10-MnAl nanodot for STT-MRAM Applications (2023)
  • Author(s): T. Shinoda, Y. Takeuchi, B. Jinnai, J. Igarashi, Y. Sato, S. Fukami, and H. Ohno
  • Organizer: 68th Annual Conference on Magnetism and Magnetic Materials (MMM2023)
  • Int'l Joint Research
• [Presentation] Stochastic dynamics of nanomagnet and its application to unconventional computing (2023)
  • Author(s): S. Fukami
  • Organizer: 5th Polish - Japanese Workshop on Spintronics
  • Int'l Joint Research / Invited
• [Presentation] Electrical control of noncollinear antiferromagnetic Mn3Sn thin film (2023)
  • Author(s): J.-Y. Yoon, P. Zhang, C.-T. Chou, Y. Takeuchi, T. Uchimura, J. T. Hou, J. Han, S. Kanai, H. Ohno, S. Fukami, and L. Liu
  • Organizer: 5th Polish - Japanese Workshop on Spintronics
  • Int'l Joint Research / Invited
• [Presentation] Spin-orbit torque generated by W-Ta alloys with various compositions (2023)
  • Author(s): Y. Kurihara, Y. Marui, S. Chiba, Y. Takeuchi, S. Kanai, H. Ohno, and S. Fukami
  • Organizer: The 7th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 6th Symposium on International Joint Graduate Program in Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Dot size dependence of thermal stability factor in polycrystalline Mn3Sn (2023)
  • Author(s): H. Kubota, Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, T. Uchimura, S. Wakabayashi, S. Kanai, J. Ieda, H. Ohno, and S. Fukami
  • Organizer: The 7th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 6th Symposium on International Joint Graduate Program in Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Temperature and diameter dependence of the stochastic switching of superparamagnetic tunnel junctions (2023)
  • Author(s): H. Kaneko, R. Ota, K. Kobayashi, S. Kanai, M. Elyasi, G.E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: The 7th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 6th Symposium on International Joint Graduate Program in Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Studies of magnetic properties of epitaxial thin films of noncollinear Weyl antiferromagnet Mn3Sn (2023)
  • Author(s): K. Gas, S. Wakabayashi, T. Uchimura, J.-Y. Yoon, Y. Takeuchi, S. Kanai, M. Sawicki, H. Ohno, and S. Fukami
  • Organizer: The 7th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 6th Symposium on International Joint Graduate Program in Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Orbital torque in Cr/CoFeB/MgO stack compatible with SOT-MRAM application (2023)
  • Author(s): S. Chiba, Y. Marui, H. Ohno, and S. Fukami
  • Organizer: The 7th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 6th Symposium on International Joint Graduate Program in Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Heterogeneous probabilistic computers for Boltzmann inference and learning (2023)
  • Author(s): N. Singh, K. Kobayashi, Q. Cao, K. Selcuk, T. Hu, S. Niazi, N. A. Aadit, S. Kanai, H. Ohno, S. Fukami, and K. Y. Camsari
  • Organizer: 20th RIEC International Workshop on Spintronics
  • Int'l Joint Research / Invited
• [Presentation] Hardware Demonstration of Feedforward Stochastic Neural Networks with Fast MTJ-based pbits (2023)
  • Author(s): N. S. Singh, S. Niazi, S. Chowdhury, K. Selcuk, H. Kaneko, K. Kobayashi, S. Kanai, H. Ohno, S. Fukami, K. Camsari
  • Organizer: 69th Annual IEEE International Electron Devices Meeting (IEDM 2023)
  • Int'l Joint Research
• [Presentation] Crystalline structure, magnetic and magnetotransport properties of Mn3Sn thin films with various thicknesses (2023)
  • Author(s): Shun Wakabayashi, Ju-young Yoon, Katarzyna Gas, Yutaro Takeuchi, Yuta Yamane, Tomohiro Uchimura, Yuma Sato, Keisuke Kishi, Shun Kanai, Maciek Sawicki, Hideo Ohno, Shunsuke Fukami
  • Organizer: 第84回応用物理学会秋季学術講演会
• [Presentation] Bias voltage robustness in double-free-layer stochastic magnetic tunnel junction (2023)
  • Author(s): 大田 陸斗、小林 奎斗、早川 佳祐、金井 駿、Kerem Camsari、大野 英男、深見 俊輔
  • Organizer: 第84回応用物理学会秋季学術講演会
• [Presentation] Temperature dependence of the switching attempt time of superparamagnetic tunnel junctions (2023)
  • Author(s): Haruna Kaneko, Rikuto Ota, Keito Kobayashi, Shun Kanai, Mehrdad Elyasi, Gerrit Bauer, Hideo Ohno, Shunsuke Fukami
  • Organizer: 第84回応用物理学会秋季学術講演会
• [Presentation] Evaluation of thermal stability in L10 ordered MnAl nanodots (2023)
  • Author(s): Takanobu Shinoda, Yutaro Takeuchi, Butsurin Jinnai, Junta Igarashi, Yuma Sato, Shunsuke Fukami, Hideo Ohno
  • Organizer: 第84回応用物理学会秋季学術講演会
• [Presentation] Interfacial Dzyaloshinskii-Moriya interaction in a non-collinear antiferromagnet/heavy metal heterostructure (2023)
  • Author(s): Tomohiro Uchimura, Yuta Yamane, Takaaki Dohi, Ju-Young Yoon, Yuma Sato, Shun Wakabayashi, Yutaro Takeuchi, Shun Kanai, Jun'ichi Idea, Hideo Ohno, Shunsuke Fukami
  • Organizer: 第84回応用物理学会秋季学術講演会
• [Presentation] Orbital torque in Cr/CoFeB/MgO stack compatible with SOT-MRAM application (2023)
  • Author(s): 千葉 峻也、丸井 幸博、大野 英男、深見 俊輔
  • Organizer: 第84回応用物理学会秋季学術講演会
• [Presentation] 新機能スピントロニクス素子の開発と革新的情報処理への展開 (2023)
  • Author(s): 深見俊輔
  • Organizer: 第47回日本磁気学会学術講演会
  • Invited
• [Presentation] 超常磁性磁気トンネル接合を用いた確率論的コンピューティング (2023)
  • Author(s): 深見俊輔
  • Organizer: 日本磁気学会第88回スピントロニクス専門研究会『スピントロニクス技術とデバイス応用への展開』
  • Invited
• [Presentation] Size dependence of thermal stability in polycrystalline Mn3Sn nanodots (2023)
  • Author(s): H. Kubota, Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, T. Uchimura, S. Wakabayashi, S. Kanai, J. Ieda, and S. Fukami
  • Organizer: 第42回電子材料シンポジウム
• [Presentation] Temperature and Diameter Dependence of the Switching Attempt Times of Superparamagnetic Tunnel Junctions (2023)
  • Author(s): H. Kaneko, R. Ota, K. Kobayashi, S. Kanai, M. Elyasi, G. E. W. Bauer, H. Ohno, and S. Fukami
  • Organizer: 第42回電子材料シンポジウム
• [Presentation] ナノ磁性体の熱ゆらぎ磁化反転Revisited (2023)
  • Author(s): 深見俊輔
  • Organizer: 令和5年度 東北大学 電気通信研究所 共同プロジェクト研究会「量子物質の制御と機能開拓およびそのデバイス応用」
  • Invited
• [Presentation] CMOS + stochastic MTJ: Heterogeneous probabilistic computers for optimization and sampling (2023)
  • Author(s): N. A. Aadit, A. Grimaldi, K. Selcuk, K. Kobayashi, Q. Cao, S. Chowdhury, G. Finocchio, S. Kanai, H. Ohno, S. Fukami, and K. Y. Camsari
  • Organizer: The 11th RIEC International Symposium on Brain Functions and Brain Computer (BFBC2023)
  • Int'l Joint Research / Invited
• [Presentation] Determining switching exponents with stochastic magnetic tunnel junctions (2023)
  • Author(s): S. Kanai, T. Funatsu, J. Ieda, S. Fukami, and H. Ohno
  • Organizer: APS March Meeting 2023
  • Int'l Joint Research
• [Presentation] CMOS+ stochastic MTJ: Heterogeneous p-computers for energy-based machine learning (2023)
  • Author(s): K. Kobayashi, Q. Cao, N. Singh, K. Selcuk, T. Hu, S. Niazi, N. Aadit, S. Kanai, H. Ohno, S. Fukami, and K. Camsari
  • Organizer: APS March Meeting 2023
  • Int'l Joint Research
• [Presentation] Probabilistic Spintronics for Beyond CMOS (2023)
  • Author(s): S. Fukami
  • Organizer: SPEAR Workshop Spintronics for beyond CMOS
  • Int'l Joint Research / Invited
• [Presentation] Heterogeneous probabilistic computers for optimization and sampling (2023)
  • Author(s): N. A. Aadit, A. Grimaldi, K. Selcuk, K. Kobayashi, Q. Cao, S. Chowdhury, G. Finocchio, S. Kanai, H. Ohno, S. Fukami, and K. Y. Camsari
  • Organizer: 2nd Online RIEC International Workshop on Spintronics
  • Int'l Joint Research / Invited
• [Presentation] Probabilistic Spintronics - Computing and Device Physics (2023)
  • Author(s): S. Fukami
  • Organizer: SPICE-Spin+X Seminars
  • Int'l Joint Research / Invited
• [Presentation] Device physics of stochastic magnetic tunnel junction (2023)
  • Author(s): S. Kanai
  • Organizer: 2nd Online RIEC International Workshop on Spintronics
  • Int'l Joint Research / Invited
• [Presentation] スピントロニクス確率ビットを用いた疑似量子計算 (2023)
  • Author(s): 深見俊輔
  • Organizer: 量子アニーリング及び関連技術研究会
  • Invited
• [Presentation] Temperature dependence of relaxation time of superparamagnetic tunnel junctions (2023)
  • Author(s): H. Kaneko, R. Ota, K. Kobayashi, S. Kanai, H. Ohno, and S. Fukami,
  • Organizer: 第70回応用物理学会秋季学術講演会
• [Presentation] Sputter-deposited non-collinear antiferromagnetic Mn3Sn thin films with controlled crystal orientation (2023)
  • Author(s): J.-Y. Yoon, Y. Takeuchi, R. Itoh, S. Kanai, S. Fukami, H. Ohno
  • Organizer: 第70回応用物理学会秋季学術講演会
  • Invited
• [Presentation] Diameter and thickness dependence of magnetization reversal in shape-anisotropy magnetic tunnel junctions (2023)
  • Author(s): J. Igarashi, B. Jinnai, K. Watanabe, R. Evans, S. Fukami, and H. Ohno
  • Organizer: 第70回応用物理学会秋季学術講演会
• [Presentation] Machine Learning Based on Stochastic Magnetic Tunnel Junctions (2022)
  • Author(s): J. Kaiser, W. A. Borders, K. Y. Camsari, S. Fukami, H. Ohno, and S. Datta
  • Organizer: Physical Review Journal Club
  • Int'l Joint Research / Invited
• [Presentation] Probabilistic spintronics nanodevices for unconventional computing (2022)
  • Author(s): S. Fukami
  • Organizer: Workshop on Energy Efficient Functional Nanodevices
  • Int'l Joint Research / Invited
• [Presentation] Stochastic magnetic tunnel junction: from device physics to computing (2022)
  • Author(s): S. Fukami
  • Organizer: W2S Seminar
  • Int'l Joint Research / Invited
• [Presentation] MTJ device technologies: for single-digit nm, for sub-ns, and for p-bit (2022)
  • Author(s): S. Fukami
  • Organizer: 2022 Spintronics Workshop on LSI
  • Int'l Joint Research / Invited
• [Presentation] Theory of Spin-Orbit Emergent Inductance (2022)
  • Author(s): Y. Yamane, S. Fukami, J. Ieda
  • Organizer: 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022)
  • Int'l Joint Research
• [Presentation] Pitch scaling prospect for highly dense ultra-small magnetic tunnel junctions : tolerance against magnetostatic interference from neighboring bits (2022)
  • Author(s): T. Shinoda, J. Igarashi, B. Jinnai, S. Fukami, H. Ohno
  • Organizer: 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022)
  • Int'l Joint Research
• [Presentation] Magneto-optical Kerr effect study for non-collinear antiferromagnetic Mn3Sn thin films (2022)
  • Author(s): T. Uchimura, J. Yoon, Y. Sato, Y. Takeuchi, S. Kanai, R. Takechi, K. Kishi, Y. Yamane, S. DuttaGupta, J. Ieda, H. Ohno, S. Fukami
  • Organizer: 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022)
  • Int'l Joint Research
• [Presentation] Memristor controlled mutual synchronization of spin Hall nano-oscillators (2022)
  • Author(s): J. Akerman, M. Zahedinejad, A. A. Awad, H. Fulara, S. Muralidhar, A. Houshang, R. Khymyn, S. Fukami, S. Kanai, H. Ohno
  • Organizer: 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022)
  • Int'l Joint Research
• [Presentation] Magnetic Field Immunity of Stochastic Magnetic Tunnel Junctions with Synthetic Antiferromagnetic Free Layer (2022)
  • Author(s): K. Kobayashi, K. Hayakawa, J. Igarashi, W. A. Borders, S. Kanai, H. Ohno, S. Fukami
  • Organizer: 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022)
  • Int'l Joint Research
• [Presentation] Stochastic magnetic tunnel junction for probabilistic bit and circuit (2022)
  • Author(s): S. Fukami
  • Organizer: 20th International Symposium on the Physics of Semiconductors and Applications (ISPSA 2022)
  • Int'l Joint Research / Invited
• [Presentation] Thermal Agitation of Magnetization Dynamics Induced by Electric-field (2022)
  • Author(s): S. Kanai, Y. Nakatani, F. Matsukura, and H. Ohno
  • Organizer: 2022 Joint European Magnetic Symposia (JEMS)
  • Int'l Joint Research
• [Presentation] Material/Device Technologies and Demonstration of SOT-MRAM on 300-mm process (2022)
  • Author(s): S. Fukami
  • Organizer: Workshop on Spin Orbit Torque (SOT) Materials and Devices
  • Int'l Joint Research / Invited
• [Presentation] Nonvolatile, Neuromorphic and Probabilistic Spintronics (2022)
  • Author(s): S. Fukami and H. Ohno
  • Organizer: SPIE Optics + Photonics 2022
  • Int'l Joint Research / Invited
• [Presentation] X-nm CoFeB/MgO Magnetic Tunnel Junction for High-Speed to High-Retention Applications (2022)
  • Author(s): B. Jinnai, J. Igarashi, K. Watanabe, T. Shinoda, T. Funatsu, H. Sato, S. Fukami, and H. Ohno
  • Organizer: The 33rd Magnetic Recording Conference (TMRC)
  • Int'l Joint Research / Invited
• [Presentation] An alternative route for tuning unconventional Hall effect in layered ferromagnet Fe3(As,Ge)Te2 (2022)
  • Author(s): R. Roy Chowdhury, C. Patra, S. DuttaGupta, S. Fukami and R. P. Singh
  • Organizer: 2022 IEEE Around-the-Clock-Around-the-Globe Conference
  • Int'l Joint Research
• [Presentation] Probabilistic spintronics - from device physics to computing (2022)
  • Author(s): S. Fukami
  • Organizer: Trends in MAGnetism 2022
  • Int'l Joint Research / Invited
• [Presentation] Spintronics technology for quasi-quantum computing (2022)
  • Author(s): S. Fukami
  • Organizer: SUMKEN Seminar
  • Int'l Joint Research / Invited
• [Presentation] Domain imaging of an antiferromagnetic Weyl semimetal Mn3Sn thin films by magneto-optical Kerr effect (2022)
  • Author(s): T. Uchimura, J.-Y. Yoon, Y. Sato, Y. Takeuchi, S. Kanai, R. Takechi, K. Kishi, Y. Yaman, S. DuttaGupta, J. Ieda, H. Ohno, and S. Fukami
  • Organizer: The 6th Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Insensitivity to the bias voltage in double-free-layer stochastic magnetic tunnel junction (2022)
  • Author(s): R. Ota, K. Kobayashi, K. Hayakawa, S. Kanai, K. Y. Camsari, H. Ohno, and S. Fukami
  • Organizer: The 6th Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Thickness dependence of anomalous Hall effect in non-collinear antiferromagnetic D019-Mn3Sn epitaxial thin films (2022)
  • Author(s): S. Wakabayashi, Y. Takeuchi, J. -Y. Yoon, Y. Sato, K. Kishi, T. Uchimura, Y. Yamane, S. Kanai, J. Ieda , H. Ohno, and S. Fukami
  • Organizer: The 6th Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Size dependence of thermal stability factor in non-collinear antiferromagnetic Mn3Sn nanodot (2022)
  • Author(s): Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, S. Kanai, J. Ieda, H. Ohno, and S. Fukami
  • Organizer: The 6th Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Spintronics devices for ultralow-power semiconductors and unconventional computers (2022)
  • Author(s): S. Fukami
  • Organizer: IEEE Region 10 Conference
  • Int'l Joint Research / Invited
• [Presentation] Memristive Spin-Orbit Torque Switching in Nanocomposite CoPtCrB (2022)
  • Author(s): K. V. De Zoysa, S. DuttaGupta, B. Jinnai, H. Ohno and S. Fukami
  • Organizer: The 67th Annual Conference on Magnetism and Magnetic Materials
  • Int'l Joint Research
• [Presentation] MTJ device physics and technologies toward deeply scaled STT-MRAM and probabilistic-computing applications (2022)
  • Author(s): S. Fukami
  • Organizer: The 67th Annual Conference on Magnetism and Magnetic Materials
  • Int'l Joint Research / Invited
• [Presentation] Thermal stability of non-collinear antiferromagnetic Mn3Sn nanodot (2022)
  • Author(s): Y. Sato, Y. Takeuchi, Y. Yamane, S. Kanai, J. Yoon, J. Ieda, H. Ohno and S. Fukami
  • Organizer: The 67th Annual Conference on Magnetism and Magnetic Materials
  • Int'l Joint Research
• [Presentation] Unconventional Emergent Hall Effect Phenomena and its Modification In a van der Waals Ferromagnet Fe3GeTe2 (2022)
  • Author(s): R. Roy Chowdhury, C. Patra, S. DuttaGupta, S. Fukami, R. P. Singh
  • Organizer: The 67th Annual Conference on Magnetism and Magnetic Materials
  • Int'l Joint Research
• [Presentation] Spin-orbit torques in RuO2/Co-Fe-B bilayer (2022)
  • Author(s): T. Nguyen, S. DuttaGupta, Y. Saito, S. Fukami, D. Vu, H. Naganuma, S. Ikeda, T. Endoh and Y. Endo
  • Organizer: The 67th Annual Conference on Magnetism and Magnetic Materials
  • Int'l Joint Research
• [Presentation] Chiral-spin rotation of antiferromagnetic Weyl semimetal Mn3Sn by spin-orbit torque (2022)
  • Author(s): Y. Takeuchi, Y. Yamane, J.-Y. Yoon, R. Itoh, R. Takechi, K. Kishi, S. DuttaGupta, S. Kanai, B. Jinnai, J. Ieda, H. Ohno, and S. Fukami
  • Organizer: Advanced Technology Institute (ATI), 2022 2nd spintronics workshop
  • Int'l Joint Research / Invited
• [Presentation] Experimental evaluation of simulated quantum annealing with MTJ-augmented p-bits (2022)
  • Author(s): A. Grimaldi, K. Selcuk, N. A. Aadit, K. Kobayashi, Q. Cao, S. Chowdhury, G. Finocchio, S. Kanai, H. Ohno, S. Fukami and K. Y. Camsari
  • Organizer: 68th Annual IEEE International Electron Devices Meeting (IEDM2022)
  • Int'l Joint Research
• [Presentation] Morphology and properties of self-organized 3D gyroid nanostructures (2022)
  • Author(s): J. Llandro
  • Organizer: IMEC academy symposium
  • Int'l Joint Research / Invited
• [Presentation] Dynamics of a stochastic nanomagnet for probabilistic computing (2022)
  • Author(s): S. Fukami
  • Organizer: SPIN CAVITRONICS IV
  • Int'l Joint Research / Invited
• [Presentation] Stochasticity and Bifurcation in Spintronics Device for Probabilistic Computing (2022)
  • Author(s): S. Kanai, T. Funatsu, J. Ieda, S. Fukami, and H. Ohno
  • Organizer: 2022 International Symposium on Nonlinear Theory and Its Applications (NOLTA2022)
  • Int'l Joint Research / Invited
• [Presentation] スピンオッシレータを用いたWi-Fi周波数の電波からの発電 (2022)
  • Author(s): 深見俊輔
  • Organizer: 日本磁気学会第237回研究会／第84回スピントロニクス専門研究会
  • Invited
• [Presentation] 低炭素社会実現に向けたスピントロニクスx半導体素子研究 (2022)
  • Author(s): 深見俊輔
  • Organizer: 東北大学 グリーン・ゴールズ・パートナー『グリーン・シーズ研究会』
  • Invited
• [Presentation] スピン軌道トルクによるノンコリニア反強磁性体のカイラルスピン構造の回転 (2022)
  • Author(s): 竹内 祐太朗, 山根 結太, ユンジュヨン, 伊藤 隆一, 陣内 佛霖, 金井 駿, 家田 淳一, 大野 英男, 深見 俊輔
  • Organizer: 第46回日本磁気学会学術講演会
• [Presentation] 積層フェリ磁性薄膜における拡張Stoner-Wohlfarth模型 (2022)
  • Author(s): 山根 結太, 増田 啓人, 関 剛斎, 家田 淳一
  • Organizer: 日本物理学会 2022年秋季大会
• [Presentation] スピントロニクスによる新概念コンピューティング (2022)
  • Author(s): 深見俊輔
  • Organizer: 第83回応用物理学会秋季学術講演会
  • Invited
• [Presentation] Stochastic magnetic tunnel junctions with double free layers (2022)
  • Author(s): R. Ota, K. Kobayashi, K. Hayakawa, S. Kanai, K. Camsari, H. Ohno and S. Fukami
  • Organizer: 第83回応用物理学会秋季学術講演会
• [Presentation] Spin-orbit Torque Switching in Nanocomposite CoPtCrB (2022)
  • Author(s): K. V. De Zoysa, S. DuttaGupta, B. Jinnai, H. Ohno and S. Fukami
  • Organizer: 第83回応用物理学会秋季学術講演会
• [Presentation] Prospect of pitch scaling for highly dense STT-MRAM with ultra-small magnetic tunnel junctions (2022)
  • Author(s): 篠田 峻伸, 五十嵐 純太, 陣内 佛霖, 深見 俊輔, 大野 英男
  • Organizer: 第83回応用物理学会秋季学術講演会
• [Presentation] Enhancement of spin-orbit torque in W/CoFeB/MgO by oxidation of W (2022)
  • Author(s): 千葉 峻也, 竹内 祐太朗, K. V. De Zoysa, 大野 英男, 深見 俊輔
  • Organizer: 第83回応用物理学会秋季学術講演会
• [Presentation] Dot size dependence of thermal stability in non-collinear antiferromagnet Mn3Sn (2022)
  • Author(s): Y. Sato, Y. Takeuchi, Y. Yamane, J. Yoon, S. Kanai, J. Ieda, H. Ohno and S. Fukami
  • Organizer: 第83回応用物理学会秋季学術講演会
• [Presentation] ノンコリニア反強磁性Mn3Snナノドットの熱安定性のサイズ依存性 (2022)
  • Author(s): 佐藤 佑磨、竹内 祐太朗、山根 結太、ユンジュヨン、金井 駿、家田 淳一、大野 英男、深見 俊輔
  • Organizer: 第41回電子材料シンポジウム
• [Presentation] 極微細磁気トンネル接合を用いたSTT-MRAMの高集積化に関する予測 (2022)
  • Author(s): 篠田 峻伸、五十嵐 純太、陣内 佛霖、深見 俊輔、大野 英男
  • Organizer: 第41回電子材料シンポジウム
• [Presentation] ノンコリニア反強磁性Mn3Snエピタキシャル薄膜の異常ホール効果の膜厚依存性 (2022)
  • Author(s): 若林 駿、竹内 祐太朗、ユンジュヨン、佐藤 佑磨、岸 桂輔、内村 友宏、山根 結太、金井 駿、家田 淳一、大野 英男、深見 俊輔
  • Organizer: 第41回電子材料シンポジウム
• [Presentation] ダブルフリー層超常磁性磁気トンネル接合素子の電圧依存性 (2022)
  • Author(s): 大田 陸斗、小林 奎斗、早川 佳祐、金井 駿、K. Y. Camsari、大野 英男、深見 俊輔
  • Organizer: 第41回電子材料シンポジウム
• [Presentation] スピントロニクス確率論的コンピューティング (2022)
  • Author(s): 深見俊輔
  • Organizer: 第10回CURIEセミナー（東京大学協創拠点CURIE）
  • Invited
• [Presentation] ワイル反強磁性体Mn3Snエピタキシャル薄膜におけるスピン輸送・光学特性 (2022)
  • Author(s): 内村 友宏、 J. -Y. Yoon、竹内 祐太朗、金井 駿、大野 英男、深見 俊輔
  • Organizer: 2022年度 多元系化合物・太陽電池研究会 年末講演会
• [Presentation] スピントロニクス素子を用いたストカスティックニューロン(Pビット)とその応用 (2020)
  • Author(s): 深見俊輔
  • Organizer: 令和元年度 東北大学 電気通信研究所 共同プロジェクト研究会 「新規固体デバイス・回路を用いた脳型コンピューティングに関する研究」
  • Invited
• [Presentation] Current-induced Switching of Metallic Antiferromagnetic PtMn (2020)
  • Author(s): S. DuttaGupta, A. Kurenkov, O. A. Tretiakov, G. Krishnaswamy, G. Sala, V. Krizakova, F. Maccherozzi, P. Gambardella, S. Fukami, and H. Ohno
  • Organizer: The 3rd Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Write-error rate of nanoscale magnetic tunnel junctions in the precessional regime (2020)
  • Author(s): T. Saino, S. Kanai, M. Shinozaki, B. Jinnai, H. Sato, S. Fukami, and H. Ohno
  • Organizer: The 3rd Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Geometrical and Magnetic Configuration of Self-organized 3D Gyroid Nanostructures (2020)
  • Author(s): J. Llandro, D. M. Love, A. Kovacs, J. Caron, K. N. Vyas, A. Kakay, M. R. J. Scherer, U. Steiner, C. H. W. Barnes, R. E. Dunin-Borkowski, J. Fassbender, S. Fukami, and H. Ohno
  • Organizer: The 3rd Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Modification of Gilbert damping constant at TaOx/CoFeB interface (2020)
  • Author(s): T. V. A. Nguyen, H. Sato, S. Fukami, Y.Saito, S. Hashi, S. Ikeda, T. Endo, and Y. Endo
  • Organizer: The 3rd Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research
• [Presentation] Demonstration of probabilistic computing with stochastic magnetic tunnel junctions (2020)
  • Author(s): S. Fukami, W. A. Borders, A. Z. Pervaiz, K. Y. Camsari, S. Datta, and H. Ohno
  • Organizer: The 3rd Symposium for The Core Research Clusters for Materials Science and Spintronics
  • Int'l Joint Research / Invited
• [Presentation] Spintronics for uniform artificial synapse and neuron (2020)
  • Author(s): A. Kurenkov, S. Fukami, Y. Horio, and H. Ohno
  • Organizer: The 8th RIEC International Symposium on Brain Functions and Brain Computer
  • Int'l Joint Research / Invited
• [Presentation] 超常磁性磁気トンネル接合素子を用いた確率論的コンピューティング (2020)
  • Author(s): 深見俊輔
  • Organizer: 令和元年度 東北大学 電気通信研究所 共同プロジェクト研究会 「固体中のスピン・軌道ダイナミクスとその制御」
  • Invited
• [Presentation] Stochastic Neural Network with Spintronics (2020)
  • Author(s): S. Fukami
  • Organizer: Center for Nation-Wide Cooperative Research on ICT FY 2019 RIEC Annual Meeting on Cooperative Research Projects “Compass for Next-Gen ICT”
  • Int'l Joint Research / Invited
• [Presentation] Strong voltage-induced tunability of threshold current and frequency in spin Hall nano-oscillators (2020)
  • Author(s): H. Fulara, M. Zahedinejad, R. Khymyn, M. Dvornik, S. Fukami, S. Kanai, H. Ohno, and J. Akerman
  • Organizer: American Physical Society March Meeting
  • Int'l Joint Research / Invited
• [Presentation] Anomalous Spin Hall Effect in Iron Rhodium for Driving Spin Torque Oscillators (2020)
  • Author(s): J. Gibbons, T. Dohi, H. Saglam, J. Pearson, S. Fukami, and A. Hoffmann
  • Organizer: APS March Meeting 2020
  • Int'l Joint Research
• [Presentation] Thermal stability of 1X/X nm magnetic tunnel junctions with interfacial or shape anisotropy at high temperature (2020)
  • Author(s): J. Igarashi, K. Watanabe, B. Jinnai, S. Fukami, and H. Ohno
  • Organizer: 第67回応用物理学会春季学術講演会
  • Invited
• [Presentation] Current-induced motion of synthetic antiferromagnetic skyrmion bubble (2020)
  • Author(s): T. Dohi, S. DuttaGupta, S. Fukami, H. Ohno
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] Low-current spin-orbit torque switching of W/CoFeB/MgO nanodots by tuning W resistivity (2020)
  • Author(s): K. Furuya, Y. Takeuchi, B. Jinnai, S. Fukami, and H. Ohno
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] Influence of Oxygen content on the Gilbert damping constant at TaOx/CoFeB interface (2020)
  • Author(s): A. T. Nguyen, H. Sato, S. Fukami, Y. Saito, S. Hashi, T. Endoh, and Y. Endo
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] Anomalous Hall effect of epitaxial Mn-Sn films with various compositions and process temperatures (2020)
  • Author(s): J. Yoon, Y. Takeuchi, R. Itoh, S. Kanai, H. Ohno, and S. Fukami
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] スピントロニクス材料の 不揮発性記憶素子応用 (2019)
  • Author(s): 金井駿, 深見俊輔, 松倉文礼, 大野英男
  • Organizer: 第11回放射光学会若手研究会
  • Invited
• [Presentation] Magnetization reversal and Domain structures in ultrathin CoFeB Films (2019)
  • Author(s): A. K. Dhiman, Z. Kurant, T. Dohi, I. Sveklo, S. Fukami, H. Ohno, A. Maziewski
  • Organizer: The Joint European Magnetic Symposia (JEMS) 2019
  • Int'l Joint Research
• [Presentation] Magnetization reversal and Domain structures in ultrathin CoFeB Films (2019)
  • Author(s): A. K. Dhiman, Z. Kurant, T. Dohi, I. Sveklo, S. Fukami, H. Ohno, A. Maziewski
  • Organizer: The European School on Magnetism (ESM)
  • Int'l Joint Research
• [Presentation] Spin-orbit torque and neural network (2019)
  • Author(s): S. Fukami
  • Organizer: 2019 International Conference on Solid-State Devices and Materials (SSDM 2019)
  • Int'l Joint Research / Invited
• [Presentation] Spin-orbit torque switching for spiking neural networks (2019)
  • Author(s): S. Fukami and H. Ohno
  • Organizer: Purdue-Tohoku Spintronics Workshop II
  • Int'l Joint Research / Invited
• [Presentation] Dzyaloshinskii-Moriya interaction and domain wall chirality in W/(Co)FeB/MgO systems (2019)
  • Author(s): T. Dohi, S. DuttaGupta, S. Fukami and H. Ohno
  • Organizer: Purdue-Tohoku Spintronics Workshop II
  • Int'l Joint Research
• [Presentation] Spin-orbit torque in nonmagnet/ferromagnet systems (2019)
  • Author(s): S. Fukami
  • Organizer: Workshop Spintronic Tohoku-Mainz Lorraine 2019
  • Int'l Joint Research / Invited
• [Presentation] Magnetic-field angle dependence of coercivity with and without bias current in nanoscale magnetic tunnel junctions (2019)
  • Author(s): J. Igarashi, S. Kanai, M. Shinozaki, J. Llandro, H. Sato, S. Fukami, and H. Ohno
  • Organizer: Workshop Spintronic Tohoku-Mainz Lorraine 2019
  • Int'l Joint Research
• [Presentation] スピントロニクス素子を用いた人工ニューラルネットワーク (2019)
  • Author(s): 深見俊輔
  • Organizer: 第80回応用物理学会秋季学術講演会
  • Invited
• [Presentation] Composition dependence of spin-orbit torque in Pt1-xMnx/CoFeB heterostructures (2019)
  • Author(s): V. Zoysa, R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami, and H. Ohno
  • Organizer: 第80回応用物理学会秋季学術講演会
• [Presentation] Spin-orbit torque induced switching of antiferromagnet/non-magnet metallic structure (2019)
  • Author(s): S. DuttaGupta, A. Kurenkov, O. Tretiakov, G. Krishnaswamy, G. Sala, V. Krizakova, F. Maccherozzi, S. Dhesi, P. Gambardella, S. Fukami, H. Ohno
  • Organizer: 第80回応用物理学会秋季学術講演会
• [Presentation] Antiferromagnet/Ferromagnet Heterostructures for Artificial Neurons and Synapses (2019)
  • Author(s): A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio, H. Ohno
  • Organizer: 第80回応用物理学会秋季学術講演会
• [Presentation] Control of crystal orientation of non-collinear antiferromagnetic Mn3Sn thin films prepared by sputtering (2019)
  • Author(s): J. Yoon, Y. Takeuchi, R. Itoh, S. Kanai, S. Fukami, and H. Ohno
  • Organizer: 第80回応用物理学会秋季学術講演会
• [Presentation] Artificial Neural Networks with Spintronics (2019)
  • Author(s): S. Fukami, W. A. Borders, A. Kurenkov, and H. Ohno
  • Organizer: 第43回日本磁気学会学術講演会
  • Invited
• [Presentation] 電界によるCoFeB/MgOの磁性変調の放射光による検出 (2019)
  • Author(s): 金井駿
  • Organizer: 第9回実用スピントロニクス新分野創成研究会
  • Invited
• [Presentation] Multi-domain memristive magnetization switching in antiferromagnet/ferromagnet heterostructures (2019)
  • Author(s): G. Krishnaswamy, A. Kurenkov, G. Sala, M. Baumgartner, V. Krizakova, F. Maccherozzi, S. Dhesi, S. Fukami, H. Ohno, and P. Gambardella
  • Organizer: SPICE Workshop on Antiferromagnetic Spintronics: from topology to neuromorphic computing
  • Int'l Joint Research
• [Presentation] Neuromorphic Computing with Spintronics (2019)
  • Author(s): S. Fukami and H. Ohno
  • Organizer: SPICE Workshop on Antiferromagnetic Spintronics: from topology to neuromorphic computing
  • Int'l Joint Research / Invited
• [Presentation] Antiferromagnet/ferromagnet heterostructures as synapses and neurons (2019)
  • Author(s): A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio and H. Ohno
  • Organizer: SPICE Workshop on Antiferromagnetic Spintronics: from topology to neuromorphic computing
  • Int'l Joint Research / Invited
• [Presentation] Spintronics for unconventional computing (2019)
  • Author(s): S. Fukami and H. Ohno
  • Organizer: IMEC-Stanford Memory Workshop
  • Int'l Joint Research / Invited
• [Presentation] Structure and magnetic properties of sputter-deposited L10-MnAl thin films for high-density STT-MRAM (2019)
  • Author(s): R. Okuda, T. Saino, Y. Takeuchi, B. Jinnai, S. Ikeda, S. Fukami, and H. Ohno
  • Organizer: The 38th Electronic Materials Symposium
• [Presentation] Evaluation of composition dependence of spin-orbit torque in Pt1-xMnx/CoFeB structure (2019)
  • Author(s): K.V. De Zoysa, R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami, and H. Ohno
  • Organizer: The 38th Electronic Materials Symposium
• [Presentation] Metallic Antiferromagnets for spintronics: Reading and writing (2019)
  • Author(s): S. DuttaGupta, A. Kurenkov, R. Itoh, O. A. Tretiakov, G. Krishnaswamy, G. Sala, V. Krizakova, F. Maccherozzi, S. S. Dhesi, P. Gambardella, S. Fukami, and H. Ohno
  • Organizer: INTERNATIONAL WORKSHOP SPINTRONICS 2019 (Spin Peru)
  • Int'l Joint Research / Invited
• [Presentation] スピントロニクス素子を用いた新概念コンピューティング (2019)
  • Author(s): 深見俊輔、大野英男
  • Organizer: リザバーコンピューティングワークショップ ～基礎から最前線まで～
  • Invited
• [Presentation] 確率動作磁気トンネル接合素子による量子アニーリングマシンの機能の実現 (2019)
  • Author(s): 深見俊輔
  • Organizer: 令和元年度 東北大学 電気通信研究所 共同プロジェクト研究会 「新規固体デバイス・回路を用いた脳型コンピューティングに関する研究」
  • Invited
• [Presentation] Current-induced switching of antiferromagnet/non-magnet metallic structures (2019)
  • Author(s): S. DuttaGupta, A. Kurenkov, O. Tretiakov, G. Krishnaswamy, G. Sala, V. Krizakova, F. Maccherozzi, S.S. Dhesi, P. Gambardella, S. Fukami and H. Ohno
  • Organizer: 64th Annual Conference on Magnetism and Magnetic Materials (MMM2019)
  • Int'l Joint Research
• [Presentation] Artificial Synapse and Neuron Based on the Dynamics of Spintronic Devices (2019)
  • Author(s): A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio, and H. Ohno
  • Organizer: 64th Annual Conference on Magnetism and Magnetic Materials (MMM2019)
  • Int'l Joint Research / Invited
• [Presentation] Voltage-controlled tunability of threshold current and frequency in spin Hall nano-oscillators (2019)
  • Author(s): H. Fulara, M. Zahedinejad, R. Khymyn, M. Dvornik, S. Fukami, S. Kanai, H. Ohno and J. ?kerman
  • Organizer: 64th Annual Conference on Magnetism and Magnetic Materials (MMM2019)
  • Int'l Joint Research
• [Presentation] Uniform artificial synapse and neuron based on spintronic devices (2019)
  • Author(s): A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio, and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research / Invited
• [Presentation] Probabilistic Computing with Stochastic Magnetic Tunnel Junctions (2019)
  • Author(s): W. A. Borders, A. Z. Pervaiz, K. Y. Camsari, S. Fukami H. Ohno, and S. Datta
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research / Invited
• [Presentation] Composition dependence of spin-orbit torques in antiferromagnetic Pt1-xMnx (0 ? x ?1)/CoFeB heterostructures (2019)
  • Author(s): K. V. De Zoysa, R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami, and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research
• [Presentation] Large spin orbit torque in W/CoFeB/MgO with high W resistivity (2019)
  • Author(s): K. Furuya, Y. Takeuchi, B. Jinnai, S. Fukami, and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research
• [Presentation] Antiferromagnet layer thickness dependence of spin-Hall magnetoresistance in PtMn/Pt metallic heterostructures (2019)
  • Author(s): S. DuttaGupta, R. Itoh, S. Fukami and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research
• [Presentation] Anomalous Hall effect of sputter-deposited non-collinear antiferromagnetic Mn3Sn thin films with controlled crystal orientation (2019)
  • Author(s): J. Yoon, Y. Takeuchi, R. Itoh, S. Kanai, S. Fukami and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research
• [Presentation] Magnetization reversal via the combination of spin-orbit torque and spin-transfer torque in sub-ns region (2019)
  • Author(s): C. Zhang, Y. Takeuchi, S. Fukami and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research
• [Presentation] Current-induced motion of synthetic antiferromagnetic skyrmion bubbles free from the skyrmion Hall effect (2019)
  • Author(s): T. Dohi, S. DuttaGupta, S. Fukami and H. Ohno
  • Organizer: 17th RIEC International Workshop on Spintronics and 10th JSPS Core-to-Core Workshop on “New-Concept Spintronic Devices”
  • Int'l Joint Research
• [Presentation] Probabilistic computing using stochastic magnetic tunnel junctions (2019)
  • Author(s): S. Fukami, W. A. Borders, and H. Ohno
  • Organizer: International Workshop of Emerging Technologies for Brainware LSI and its Applications
  • Int'l Joint Research / Invited
• [Presentation] ブレインモルフィックコンピューティングハードウェアへのスピントロニクス素子の応用 (2019)
  • Author(s): 堀尾喜彦、深見俊輔
  • Organizer: 応用物理学会応用電子物性分科会研究例会「スピントロニクスの最前線」
  • Invited
• [Presentation] Structure and transport properties of Mn3Sn Weyl semimetal thin films prepared by sputtering (2019)
  • Author(s): J. Yoon, Y. Takeuchi, R. Itoh, S. Kanai, S. Fukami, and H. Ohno
  • Organizer: PASPS-24
• [Presentation] Harmonic Hall measurements of spin-orbit torque in PtMn/CoFeB heterostructures with various PtMn compositions (2019)
  • Author(s): K.V. De Zoysa, R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami, and H. Ohno
  • Organizer: PASPS-24