Hiroaki Sukegawa

Nano-crystal domains in Co-based fcc(111) epitaxial magnetic junctions and their impact on tunnel magnetoresistance

Cong He, Keisuke MASUDA, Jieyuan SONG, Thomas SCHEIKE, Zhenchao Wen, Yoshio Miura, Tadakatsu OHKUBO, Kazuhiro Hono, Seiji Mitani, Hiroaki Sukegawa

Acta Materialia, 261 119394-119394, Dec, 2023

Large magnetocapacitance of up to 456% at room temperature in FeCo/MgAl₂O₄/FeCo(001) magnetic tunnel junctions

Yuto Shibata, Kenta Sato, Hiroaki Sukegawa, Hideo Kaiju

Applied Physics Express, 16(11) 113003-113003, Nov 1, 2023

Charge-to-spin conversion in fully epitaxial Ru/Cu hybrid nanolayers with interface control

Jieyuan Song, Cong He, Thomas Scheike, Zhenchao Wen, Hiroaki Sukegawa, Tadakatsu Ohkubo, Yukio Nozaki, Seiji Mitani

Nanotechnology, Sep 3, 2023

Spin-torque generation using a compositional gradient at the interface between titanium and tungsten thin films

Hayato Nakayama, Taisuke Horaguchi, Cong He, Hiroaki Sukegawa, Tadakatsu Ohkubo, Seiji Mitani, Kazuto Yamanoi, Yukio Nozaki

PHYSICAL REVIEW B, 107(17), May, 2023

631% room temperature tunnel magnetoresistance with large oscillation effect in CoFe/MgO/CoFe(001) junctions

Thomas Scheike, Zhenchao Wen, Hiroaki Sukegawa, Seiji Mitani

Applied Physics Letters, Mar 13, 2023

Antiferromagnetic Films and Their Applications

Atsufumi Hirohata, David C. Lloyd, Takahide Kubota, Takeshi Seki, Koki Takanashi, Hiroaki Sukegawa, Zhenchao Wen, Seiji Mitani, Hiroki Koizumi

IEEE Access, 11 117443-117459, 2023

Elemental Doping and Interface Effects on Spin–Orbit Torques in CoSi‐Based Topological Semimetal Thin Films

Ke Tang, Zhenchao Wen, Takeshi Seki, Hiroaki Sukegawa, Seiji Mitani

Advanced Materials Interfaces, 9(36) 2201332-2201332, Dec, 2022

Large magnetocapacitance beyond 420% in epitaxial magnetic tunnel junctions with an MgAl2O4 barrier

Kenta Sato, Hiroaki Sukegawa, Kentaro Ogata, Gang Xiao, Hideo Kaiju

Scientific Reports, 12(1), Dec, 2022

Band-folding-driven high tunnel magnetoresistance ratios in (111)-oriented junctions with SrTiO3 barriers

Keisuke Masuda, Hiroyoshi Itoh, Yoshiaki Sonobe, Hiroaki Sukegawa, Seiji Mitani, Yoshio Miura

Physical Review B, 106(13) 134438 -1-134438 -7, Oct 31, 2022 Peer-reviewed

Propagating backward-volume spin waves in epitaxial Fe films

S. Nezu, T. Scheike, H. Sukegawa, K. Sekiguchi

AIP Advances, 12(3), Mar 1, 2022

Enhanced tunnel magnetoresistance in Fe/Mg4Al-Ox/Fe(001) magnetic tunnel junctions

Thomas Scheike, Zhenchao Wen, Hiroaki Sukegawa, Seiji Mitani

Applied Physics Letters, 120(3), Jan 17, 2022

Strain Engineering of Magnetic Anisotropy in Epitaxial Films of Cobalt Ferrite

Hiroshige Onoda, Hiroaki Sukegawa, Jun‐Ichiro Inoue, Hideto Yanagihara

Advanced Materials Interfaces, 8(23) 2101034-2101034, Dec, 2021

Spin Hall effect in a spin-1 chiral semimetal

Ke Tang, Yong-Chang Lau, Kenji Nawa, Zhenchao Wen, Qingyi Xiang, Hiroaki Sukegawa, Takeshi Seki, Yoshio Miura, Koki Takanashi, Seiji Mitani

Physical Review Research, 3(3), Jul 29, 2021

Quantum-well tunneling anisotropic magnetoresistance above room temperature

Muftah Al-Mahdawi, Qingyi Xiang, Yoshio Miura, Mohamed Belmoubarik, Keisuke Masuda, Shinya Kasai, Hiroaki Sukegawa, Seiji Mitani

Physical Review B, 103(18), May 25, 2021

Magnetic, magnetoresistive and low-frequency noise properties of tunnel magnetoresistance sensor devices with amorphous CoFeBTa soft magnetic layers

Mahmoud Rasly, Tomoya Nakatani, Jiangnan Li, Hossein Sepehri-Amin, Hiroaki Sukegawa, Yuya Sakuraba

Journal of Physics D: Applied Physics, 54(9) 095002-095002, Mar 4, 2021

Heusler alloys for spintronic devices: review on recent development and future perspectives

Kelvin Elphick, William Frost, Marjan Samiepour, Takahide Kubota, Koki Takanashi, Hiroaki Sukegawa, Seiji Mitani, Atsufumi Hirohata

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 22(1) 235-271, Mar, 2021 Peer-reviewed

Interfacial giant tunnel magnetoresistance and bulk-induced large perpendicular magnetic anisotropy in (111)-oriented junctions with fcc ferromagnetic alloys: A first-principles study

Keisuke Masuda, Hiroyoshi Itoh, Yoshiaki Sonobe, Hiroaki Sukegawa, Seiji Mitani, Yoshio Miura

Physical Review B, 103(6), Feb 22, 2021

Magnetization switching induced by spin–orbit torque from Co2MnGa magnetic Weyl semimetal thin films

Ke Tang, Zhenchao Wen, Yong-Chang Lau, Hiroaki Sukegawa, Takeshi Seki, Seiji Mitani

Applied Physics Letters, 118(6) 062402-062402, Feb 8, 2021

Growth, strain, and spin-orbit torques in epitaxial Ni-Mn-Sb films sputtered on GaAs

N. Zhao, A. Sud, H. Sukegawa, S. Komori, K. Rogdakis, K. Yamanoi, J. Patchett, J. W. A. Robinson, C. Ciccarelli, H. Kurebayashi

Physical Review Materials, 5(1), Jan 25, 2021

Exceeding 400% tunnel magnetoresistance at room temperature in epitaxial Fe/MgO/Fe(001) spin-valve-type magnetic tunnel junctions

Thomas Scheike, Qingyi Xiang, Zhenchao Wen, Hiroaki Sukegawa, Tadakatsu Ohkubo, Kazuhiro Hono, Seiji Mitani

Applied Physics Letters, 118(4), Jan 25, 2021

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