Research keywords (3)：
Crystal growth
, Magnetic thin films
, Spintronics
Research theme for competitive and other funds (12)：
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 (147)：
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
Yuto Shibata, Kenta Sato, Hiroaki Sukegawa, Hideo Kaiju. Large magnetocapacitance of up to 456% at room temperature in FeCo/MgAl2O4/FeCo(001) magnetic tunnel junctions. Applied Physics Express. 2023. 16. 11. 113003-113003
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
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
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
