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Hiroaki Sukegawa
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Antiferromagnetic Films and Their Applications
Description/Abstract:
Spintronic devices are expected to replace the recent nanoelectronic memories and sensors due to their efficiency in energy consumption a...
Keyword:
antiferromagnetic materials
,
spintronics
, and
thin films
Resource Type:
Article
Author:
Atsufumi Hirohata
,
David C. Lloyd
,
Takahide Kubota
,
Takeshi Seki
,
Koki Takanashi
,
Hiroaki Sukegawa
,
Zhenchao Wen
,
Seiji Mitani
, and
Hiroki Koizumi
Journal:
IEEE Access
Date Uploaded:
10/12/2024
Large perpendicular magnetic anisotropy at Fe/rock-salt-type Cr-oxide interface synthesized via oxygen-driven chemical layer exchange process
Description/Abstract:
Perpendicular magnetic anisotropy (PMA) induced at the interface of the metallic magnetic layer/oxide layer plays a major role in scaling...
Keyword:
CrO
,
epitaxial growth
,
perpendicular magnetic anisotropy
, and
spintronics
Resource Type:
Article
Author:
Yuki Iida
,
Qingyi Xiang
,
Thomas Scheike
,
Zhenchao Wen
,
Jun Okabayashi
,
Jun Uzuhashi
,
Tadakatsu Ohkubo
,
Kazuhiro Hono
,
Hiroaki Sukegawa
, and
Seiji Mitani
Journal:
APL Materials
Date Uploaded:
10/12/2024
Spin and orbit torques in artificial alloy thin films and heterostructures
Description/Abstract:
In this talk, we present enhanced spin and orbital torque efficiencies in well-engineered artificial heterostructures and alloy thin film...
Keyword:
Artificial alloy thin films
and
Spin-Orbit Torques
Resource Type:
Presentation
Author:
Zhenchao Wen
,
Tadakatsu Ohkubo
,
Hiroaki Sukegawa
, and
Seiji Mitani
Date Uploaded:
03/12/2024
Spin-orbit torque driven by interfacial chemistry in topological BiSb/NiFe bilayers with Ti insertion
Description/Abstract:
In this work, BiSb thin films with a NiFe ferromagnetic layer were prepared to explore the impact of Ti spacer insertion on SOT efficienc...
Keyword:
Spin-orbit torque, interfacial chemistry, topological BiSb
Resource Type:
Poster
Author:
Talluri Manoj
,
Zhenchao Wen
,
Jun Uzuhashi
,
Tadakatsu Ohkubo
,
Hiroaki Sukegawa
,
Chandrasekhar Murapaka
,
Brian York
,
Xiaoyong Liu
,
Quang Le
, and
Seiji Mitani
Date Uploaded:
29/11/2024
Incommensurate superlattice modulation surviving down to an atomic scale in sputter-deposited Co/Pt(111) epitaxial multilayered films
Description/Abstract:
We report the structural feature of sputter-deposited epitaxial [Co (0.2 nm)/Pt (0.2–1.0 nm)] multilayered films prepared with various pe...
Keyword:
epitaxial growth
,
magnetic thin films
, and
perpendicular magnetization
Resource Type:
Article
Author:
Jieyuan Song
,
Thomas Scheike
,
Cong He
,
Zhenchao Wen
,
Tadakatsu Ohkubo
,
Kwangseok Kim
,
Hiroaki Sukegawa
, and
Seiji Mitani
Journal:
APL Materials
Date Uploaded:
23/11/2024
Unconventional parametric spin-wave pumping in single-crystal iron films
Description/Abstract:
Spin waves hold promise for expanding the magnonics research field to include quantum information processing and classical information de...
Keyword:
Spin wave
and
Spintronics
Resource Type:
Article
Author:
Shoki Nezu
,
Thomas Scheike
,
Hiroaki Sukegawa
, and
Koji Sekiguchi
Journal:
Physical Review B
Date Uploaded:
19/09/2024
Conductive single-phase SrMoO <sub>3</sub> epitaxial films synthesized in pure Ar ambience via plasma-assisted radio frequency sputtering
Description/Abstract:
The cubic perovskite SrMoO3 with a paramagnetic ground state and remarkably low room-temperature resistivity has been considered as a sui...
Keyword:
plasma-assisted RF sputtering technology
,
reduction reaction
, and
single-phase conductive SrMoO3 epitaxial films
Resource Type:
Article
Author:
Mouli Roy-Chowdhury
,
Cong He
,
Ke Tang
,
Hiroki Koizumi
,
Zhenchao Wen
,
Subhash Thota
,
Hiroaki Sukegawa
,
Tadakatsu Ohkubo
, and
Seiji Mitani
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
10/09/2024
Charge-to-spin conversion in fully epitaxial Ru/Cu hybrid nanolayers with interface control
Description/Abstract:
We report on fully epitaxial Ru/Cu heterostructures fabricated with interface engineering and nanolayer insertions consisting of Cu (1nm)...
Keyword:
charge-to-spin conversion
,
epitaxial Ru/Cu heterostructures
, and
interface control
Resource Type:
Article
Author:
Jieyuan Song
,
Cong He
,
Thomas Scheike
,
Zhenchao Wen
,
Hiroaki Sukegawa
,
Tadakatsu Ohkubo
,
Yukio Nozaki
, and
Seiji Mitani
Journal:
NANOTECHNOLOGY
Date Uploaded:
18/06/2024
Enhanced orbital torque efficiency in nonequilibrium Ru50Mo50(0001) alloy epitaxial thin films
Description/Abstract:
Epitaxial thin films of fully nonequilibrium hcp-Ru_50Mo_50(0001) nanoalloys were prepared as a chemically disordered alloy, in which the...
Keyword:
Epitaxial thin films
,
Nonequilibrium
,
Orbital torque
, and
Ru50Mo50(0001)
Resource Type:
Article
Author:
Ke Tang
,
Cong He
,
Zhenchao Wen
,
Hiroaki Sukegawa
,
Tadakatsu Ohkubo
,
Yukio Nozaki
, and
Seiji Mitani
Journal:
APL Materials
Date Uploaded:
13/05/2024
Interfacial giant tunnel magnetoresistance and bulk-induced large perpendicular magnetic anisotropy in (111)-oriented junctions with fcc ferromagnetic alloys: A first-principles study
Description/Abstract:
We study the tunnel magnetoresistance (TMR) effect and magnetocrystalline anisotropy in a series of magnetic tunnel junctions (MTJs) with...
Keyword:
Magnetic anisotropy
,
Magnetic tunnel junction
,
Spintronics
, and
Tunnel magnetoresistance
Resource Type:
Article
Author:
Keisuke Masuda
,
Hiroyoshi Itoh
,
Yoshiaki Sonobe
,
Hiroaki Sukegawa
,
Seiji Mitani
, and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
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Hiroaki Sukegawa
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Seiji Mitani
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Japan Society for the Promotion of Science
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