Research keywords (3):
Crystal growth
, Magnetic thin films
, Spintronics
Research theme for competitive and other funds (14):
2024 - 2028 Science of Fully Coherent Magnetic Tunnel Junctions
2024 - 2027 Observation of large magnetocapacitance effect in inorganic and organic hybrid magnetic nanostructures
2023 - 2026 Electric control of exchange coupling at interface of ferromagnetic oxide/metal
2021 - 2024 Observation of large tunnel magnetocapacitance effect and elucidation of its mechanism
2021 - 2024 Observation of giant tunnel magnetoresistance change by ballistic spin transport control
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
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
2010 - 2012 Development of a new magnetic tunnel junction structure using a monocrystalline spinel-based tunnel barrier
2010 - 2011 Current-induced ferromagnetism and spin torque due to large spin Hall effect
2008 - 2011 Study of CPP-GMR using Heusler alloy electrodes
2008 - 2009 Spin injection into Si using Co-based Heusler alloys
2006 - 2007 微小強磁性トンネル接合の低電流スピン注入磁化反転
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Papers (156):
Yukio Nozaki, Hiroaki Sukegawa, Shinichi Watanabe, Seiji Yunoki, Taisuke Horaguchi, Hayato Nakayama, Kazuto Yamanoi, Zhenchao Wen, Cong He, Jieyuan Song, et al. Gyro-spintronic material science using vorticity gradient in solids. Science and Technology of Advanced Materials. 2025
Hiroki Koizumi, Zhenchao Wen, Jun Uzuhashi, Tadakatsu Ohkubo, Hiroaki Sukegawa, Seiji Mitani. Interface perpendicular magnetic anisotropy in heterostructures consisting of CoFeB and conductive rock-salt Li-Ti-O. Journal of Physics D: Applied Physics. 2025
Rombang Rizky Sihombing, Thomas Scheike, Jun Uzuhashi, Tadakatsu Ohkubo, Zhenchao Wen, Seiji Mitani, Hiroaki Sukegawa. Enhanced tunnel magnetoresistance of Fe/MgGa2O4/Fe(001) magnetic tunnel junctions by interface-tuning with atomic-scale MgO insertion layers. Applied Physics Letters. 2025
Yuki Iida, Qingyi Xiang, Thomas Scheike, Zhenchao Wen, Jun Okabayashi, Jun Uzuhashi, Tadakatsu Ohkubo, Kazuhiro Hono, Hiroaki Sukegawa, Seiji Mitani. Large perpendicular magnetic anisotropy at Fe/rock-salt-type Cr-oxide interface synthesized via oxygen-driven chemical layer exchange process. APL Materials. 2024
Jieyuan Song, Thomas Scheike, Cong He, Zhenchao Wen, Tadakatsu Ohkubo, Kwangseok Kim, Hiroaki Sukegawa, Seiji Mitani. Incommensurate superlattice modulation surviving down to an atomic scale in sputter-deposited Co/Pt(111) epitaxial multilayered films. APL Materials. 2024