Rchr
J-GLOBAL ID：200901069269937503
Update date: Feb. 19, 2024
Mitani Seiji
ミタニ セイジ | Mitani Seiji
Affiliation and department：
Job title：
Director
Research field (3)：
Structural and functional materials
, Metallic materials
, Magnetism, superconductivity, and strongly correlated systems
Research keywords (12)：
磁気異方性
, ナノ粒子
, スピン蓄積
, トンネル磁気抵抗効果
, エピタキシャル成長
, 磁性体ナノ構造
, Coulomb blockade
, Single electron tunneling
, TMR
, GMR
, magnetic and magnetotransport properties
, Magnetic nanostructure
Research theme for competitive and other funds (34)：
- 2022 - 2027 New horizon in tunnel magnetoresistance: Orbital symmetry effect and new quantum devices
- 2016 - 2021 Microscopic understanding of interface spin-orbit coupling and development of perpendicular magnetic anisotropy devices
- 2016 - 2019 Development of magnetic tunnel junctions with huge tunnel magnetoresistance through improving half-metallic feature at junction interfaces
- 2016 - 2017 界面スピン軌道結合の微視的解明と巨大垂直磁気異方性機能の創出
- 2014 - 2017 Effective and precise investigation on irradiation degradation and its evaluation in polycrystalline materials using a combinatorial approach
- 2011 - 2015 Spin dependent resonant tunneling and related properties in perfectly lattice-matched double tunnel junctions
- 2012 - 2014 Preparation of new coherent tunnel barriers for permalloy by modifying oxidation procedures
- 2011 - 2014 A combinatorial approach to the study on mechanism and evaluation techniques of materials degradation under irradiation
- 2010 - 2014 Search for highly spin polarized ferromagnetic materials and their applications to magnetoresistive devices
- 2010 - 2011 Current-induced ferromagnetism and spin torque due to large spin Hall effect
- 2008 - 2010 Spin relaxation time in low dimensional nanostructures and its application to spintronic devices
- 2007 - 2010 Fabrication of heghly efficient spin source materials by nanostructure control
- 2007 - 2009 Fabrication of L10 type ordered alloy with high uniaxial magnetic anisotropy by alternative atomic monolayer deposition
- 2007 - 2009 Design of Spin Transport Properties in Fullerene-Transition Metal Hybrid Materials
- 2005 - 2007 Room temperature spin-dependent single-electron-tunneling in nanostructures with controlled Fermi levels
- 2005 - 2006 静電容量変化を利用した磁気スイッチング単電子素子の開発
- 2004 - 2006 Fabrication of self-assembled lateral nanostructures and their applications for magnetic materials
- 2004 - 2005 ナノ磁性粒子における電圧駆動磁化反転
- 2004 - 2005 Fabrication of FePt nano-particles and its functionality by nano-sphere lithography
- 2001 - 2003 Study on the Origin of the Large Field Induced Magnetic Anisotropy of Nano-granular Soft Magnetic films and Its Applications
- 2001 - 2002 極薄グラニュラー薄膜の単電子トンネル効果を利用した巨大磁気低抗材料の開発
- 2000 - 2002 Development of magnetoresistance sensing materials consisting of granulan materials with micro-patterned soft magnetic alloy films
- 2000 - 2002 Fabrication of magnetic metal wires by using self-organization on stepped surfaces and its application to three dimensional super lattices
- 1997 - 1999 Development of epitaxial growth technology on amorphous substrates and its application to magnetic thin films
- 1997 - 1998 磁性金属-非金属ナノグラニュラー構造薄膜の磁場中成膜とそのホール効果
- 1996 - 1997 Artificial fabrication and magnetic properties of non-equilibrium ordered alloys by monatomic layr control
- 1996 - 1997 Synthesis of Artificial Ordered Alloy by Monatomic Deposition and the Characterization
- 1995 - 1997 Development of high frequency soft magnetic thin films consisting of ferromagnetic alloy/ferromagnetic insulator multi-phase granular materials
- 1995 - 1997 Study of tunnel transport and novel giant magnetoresistance effect in metal-nonmetal granular alloys
- 1995 - 1995 間欠反応スパッタ法によるCo/Al-O変調酸化多層膜のトンネル伝導と磁化過程
- 1993 - 1994 Study on current-perpendicular-to-plane GMR materials by using amorphous magnetic alloy based multilayrs
- 1993 - 1993 CoCr/希土類人工格子による高密度磁気記録媒体の研究
- 1993 - 磁性ナノ構造の創製、構造評価、磁気及び磁気伝導現象に関する研究
- 1993 - Fabrication, characterization and magnetotransport properties of magnetic nanostructures
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Papers (166)：
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Cong He, Keisuke Masuda, Jieyuan Song, Thomas Scheike, Zhenchao Wen, Yoshio Miura, Tadakatsu Ohkubo, Kazuhiro Hono, Seiji Mitani, Hiroaki Sukegawa. Nano-crystal domains in Co-based fcc(111) epitaxial magnetic junctions and their impact on tunnel magnetoresistance. Acta Materialia. 2023. 261. 119394-119394
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Tomohiro Taniguchi, Shinji Isogami, Shuji Okame, Katsuyuki Nakada, Eiji Komura, Tomoyuki Sasaki, Seiji Mitani, Masamitsu Hayashi. Probability of spin-orbit torque driven magnetization switching assisted by spin-transfer torque. Physical Review B. 2023. 108. 13. 134431
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Jieyuan Song, Cong He, Thomas Scheike, Zhenchao Wen, Hiroaki Sukegawa, Tadakatsu Ohkubo, Yukio Nozaki, Seiji Mitani. Charge-to-spin conversion in fully epitaxial Ru/Cu hybrid nanolayers with interface control. Nanotechnology. 2023
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Hayato Nakayama, Taisuke Horaguchi, Cong He, Hiroaki Sukegawa, Tadakatsu Ohkubo, Seiji Mitani, Kazuto Yamanoi, Yukio Nozaki. Spin-torque generation using a compositional gradient at the interface between titanium and tungsten thin films. PHYSICAL REVIEW B. 2023. 107. 17
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Thomas Scheike, Zhenchao Wen, Hiroaki Sukegawa, Seiji Mitani. 631% room temperature tunnel magnetoresistance with large oscillation effect in CoFe/MgO/CoFe(001) junctions. Applied Physics Letters. 2023
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MISC (467)：
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Kelvin Elphick, William Frost, Marjan Samiepour, Takahide Kubota, Koki Takanashi, Hiroaki Sukegawa, Seiji Mitani, Atsufumi Hirohata. Heusler alloys for spintronic devices: review on recent development and future perspectives. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS. 2021. 22. 1. 235-271
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H. Sukegawa, Y. Kato, M. Belmoubarik, P. Cheng, P. Cheng, T. Daibou, N. Shimomura, Y. Kamiguchi, J. Ito, H. Yoda, et al. Epitaxial magnetic tunnel junctions with a low barrier height spinel MgGa2O4. 2017 IEEE International Magnetics Conference, INTERMAG 2017. 2017
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Z. Wen, H. Sukegawa, S. Kasai, K. Inomata, S. Mitani. Electrical manipulation of magnetization switching in Co2FeAl alloy based magnetic tunnel junctions with in-plane and perpendicular magnetization. 2015 IEEE MAGNETICS CONFERENCE (INTERMAG). 2015
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SUKEGAWA Hiroaki, INOMATA Koichiro, MITANI Seiji. Giant tunnel magnetoresistance in perfectly lattice-matched magnetic tunnel junctions : Current status of spinel MgAl_2O_4-based tunnel barriers. IEICE technical report. Magnetic recording. 2013. 113. 267. 35-40
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介川 裕章, 猪俣 浩一郎, 三谷 誠司. 招待講演 完全格子整合した磁気トンネル接合の巨大トンネル磁気抵抗効果 : スピネルMgAl2O4系トンネルバリアの現状 (マルチメディアストレージ). 映像情報メディア学会技術報告 = ITE technical report. 2013. 37. 42. 35-40
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Patents (9)：
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Method of making magnetic multilayer film, method of making magnetic recording medium, magnetic multilayer film, and magnetic recording medium
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磁性薄膜
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高電気抵抗を有する磁気抵抗薄膜
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磁性多層膜の製造方法、磁気記録媒体の製造方法、磁性多層膜、及び、磁気記録媒体
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薄膜磁気抵抗素子
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Books (3)：
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Novel nanocrystalline alloys and magnetic nanomaterials
2005
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ナノマテリアルハンドブック
エヌ・ティー・エス 2005
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Novel nanocrystalline alloys and magnetic nanomaterials
2005
Professional career (1)：
- Dr of Engineering (Nagoya University)
Awards (3)：
- 2005 - 日本応用磁気学会優秀講演賞
- 1997 - 金属材料科学助成賞
- 1997 - 日本金属学会奨励賞
Association Membership(s) (7)：
日本金属学会・会誌欧文紙編集委員会
, 日本金属学会・会報編集委員会
, 日本応用磁気学会・編集委員会
, 日本MRS
, 日本金属学会
, 日本応用磁気学会
, 日本物理学会
