Rchr
J-GLOBAL ID：200901018152363278
Update date: Feb. 01, 2024
Uemura Tetsuya
ウエムラ テツヤ | Uemura Tetsuya
Affiliation and department：
Job title：
Professor
Homepage URL (2)：
http://www.ist.hokudai.ac.jp/labo/nanodev/index.html
,
http://www.ist.hokudai.ac.jp/labo/nanodev/index_english.html
Research field (2)：
Electronic devices and equipment
, Electric/electronic material engineering
Research keywords (15)：
spin transistor
, spintronics
, トンネル磁気抵抗
, 強磁性トンネル接合
, スピン注入
, 磁気ランダムアクセスメモリ
, 半導体
, スピンLED
, トンネル異方性磁気抵抗効果
, 共鳴トンネルダイオード
, Co系ホイスラー合金
, スピン依存トンネリング
, スピン輸送特性
, ハーフメタル強磁性体
, 先端デバイス開発
Research theme for competitive and other funds (16)：
- 2022 - 2025 磁性ワイル半金属磁気トンネル接合
- 2020 - 2023 ワイル半金属を用いた電流誘起スピン軌道トルクの解明とそのデバイス応用
- 2017 - 2020 Spin-orbit-torque induced magnetization switching for halfmetallic ferromagnet
- 2016 - 2019 A study of both materials and phenomena with strong spin-orbit-interaction based on topology concept and an application of them to spintronics devices
- 2015 - 2017 Development of all-electrical control of nuclear spin states using nuclear electric resonance
- 2013 - 2015 Coherent control of nuclear spin using spin injection into semiconductor for application to quntum information devices
- 2011 - 2014 ハーフメタルと高移動度半導体の高品質ヘテロ構造の製作と半導体スピン輸送特性の研究
- 2010 - 2012 Highly-efficient spin-polarized current source using half-metallic ferromagnet/superconductor junctions.
- 2009 - 2011 Fundamental research on spin-dependent functional devices based on half-metallic ferromagnet/semiconductor hybrid structures
- 2008 - 2010 Fabrication of high-quality heterostructures with half-metallic ferromagnets and creation of spin tunneling devices
- 2007 - 2010 Exploration and creation of highly efficient spin sources using half-metallic ferromagnets
- 2007 - 2008 Study on spin dependent transport in ferromagnet/semiconductor heterostructures
- 2006 - 2007 Fabrication of epitaxial heterostructures with halrf-metallic ferromagnets and development of spin-controlled devices
- 2004 - 2005 Fabrication of epitaxial, magnetic multiple-barrier-structures and development of spin-resonant-tunneling -device basic technology
- 2004 - 2005 Development of novel circuits consisting of magnetic tunnel junction and negative differential resistance devices
- 2001 - 2002 Study of ferromagnetic multiple-tunnel-junction devices
Show all
Papers (256)：
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Makoto Kohda, Takeshi Seki, Yasushi Yuminaka, Tetsuya Uemura, Keito Kikuchi, Gian Salis. Perspective on spin-based wave-parallel computing. Appl. Phys. Lett. 2023. 123. 190502
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Takaya Koyama, Yuki Nishioka, Tetsuya Uemura, Michihiko Yamanouchi. Current-induced domain wall motion in Pd/Co2MnGa with perpendicular magnetic anisotropy. 68th Annual Conference on Magnetism and Magnetic Materials, Abstracts,. 2023. VP1-01
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Mineto Ogawa, Takuya Hara, Shun Hasebe, Michihiko Yamanouchi, Tetsuya Uemura. Effect of an ultrathin Fe interlayer on the growth of MnGa and spin-orbit-torque induced magnetization switching. Applied Physics Express. 2023. 16. 6. 063002-063002
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T.S. Balland, T. Seki, T. Yamazaki, R.Y. Umetsu, M. Ogawa, T. Uemura, K. Takanashi. Microfabrication and Characterization of Ferromagnetic Metal/Nonmagnetic Semiconductor Junctions for Spin Pumping-Induced Highly Efficient Spin Injection. IEEE International Magnetics Conference 2023 (INTERMAG 2023), Digest Book. 2023. DPB-08
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Mineto Ogawa, Takuya Hara, Shun Hasebe, Michihiko Yamanouchi, Tetsuya Uemura. Spin-orbit torque induced magnetization switching in perpendicularly magnetized MnGa/Fe bilayer grown on GaAs. IEEE International Magnetics Conference 2023 (INTERMAG 2023), Digest Book. 2023. APC-08
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MISC (167)：
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酒井貴樹, 野土翔登, 長浜太郎, 植村哲也, 山ノ内路彦. Interaction between spin-orbit torque and domain walls in a Pt/SrRuO3 structure. 応用物理学会北海道支部/日本光学会北海道支部合同学術講演会講演予稿集. 2021. 56th-17th (CD-ROM)
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Highly-efficient electrical spin injection into semiconductors using a half-metal spin source. 2014. 83. 3. 194-199
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Y. Honda, H.-x. Liu, T. Uemura, M. Yamamoto. Temperature dependence of spin-dependent tunneling resistance of Co2MnSi/MgO/Co2MnSi magnetic tunnel junctions. 49th Conference of Hokkaido Chapter, The Japan Society of Applied Physics, Collected Abstracts. 2013. vol.49. p.5, A-5
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Y. Ebina, T. Akiho, H.-x. Liu, M. Yamamoto, T. Uemura. Demonstration of high spin injection efficiency in Co2MnSi/CoFe/n-GaAs junctions. 49th Conference of Hokkaido Chapter, The Japan Society of Applied Physics, Collected Abstracts. 2013. vol.49. p.4, A-4,
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T. Akiho, M. Yamamoto, T. Uemura. Spin lifetime in strained InGaAs channels investigated through all electrical spin injection and detection. The 18th Symposium on the Physics and Application of Spin-Related Phenomena in Semiconductors (PASPS-18), Program and Abstracts. 2013. vol.18. p.13, A5
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Books (1)：
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Heusler Alloys
Springer International Publishing Switzerland 2016
Lectures and oral presentations (202)：
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Coherent manipulation of nuclear spins in GaAs using electrical spin injection
(International Workshop on NanoScience and NanoOptics 2017 2017)
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Coherent Control of Nuclear Spins in Semiconductor using Electrical Spin Injection
(2016 RCIQE International Seminar 2016)
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Half-metallic Heusler alloys for the spin sources of spintronic devices
(13th RIEC International Workshop on Spintronics 2015)
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Manupulation of nuclear spins in GaAs using a half-metallic spin source of Co2MnSi
(IEEE Int’l Magnetics Conf. 2015 2015)
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Temperature dependence of spin-dependent tunneling resistance of Co2MnSi/MgO/Co2MnSi magnetic tunnel junctions
(49th Conference of Hokkaido Chapter, The Japan Society of Applied Physics 2013)
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Education (2)：
- 1988 - 1990 Kyoto University Graduate School of Engineering Division of Electrical Engineering
- 1984 - 1988 Kyoto University Facalty of Engineering Department of Electrical Engineering
Professional career (1)：
Work history (5)：
- 2016/04 - 現在 Hokkaido University Graduate School of Information Science and Technology Professor
- 2007/04 - 2016/03 Graduate School of Information Science and Technology, Hokkaido Universtiy Associate Professor
- 2004/04 - 2007/03 Graduate School of Information Science and Technology, Hokkaido University Associate Professor
- 2002/01 - 2004/03 Graduate School of Engineering, Hokkaido University Associate Professor
- 1990/04 - 2001/12 Fundamental Reseach Laboratory, NEC Corporation
Association Membership(s) (3)：
IEEE
, THE MAGNETICS SOCIETY OF JAPAN
, THE JAPAN SOCIETY OF APPLIED PHYSICS
