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Kazuhiro Hono
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Surface-specific thermal spin-depolarization on the half-metallic Heusler films
Description/Abstract:
Half-metallic ferromagnets exhibit a perfect spin-polarization at the Fermi energy (EF). Among many candidates, Co2MnSi Heusler alloy is...
Keyword:
Half metal
,
Heusler alloys
, and
spin polarization
Resource Type:
Article
Author:
Kazuki Sumida
,
Masaaki Kakoki
,
Yuya Sakuraba
,
Keisuke Masuda
,
Kazuki Goto
,
Takashi Kono
,
Koji Miyamoto
,
Yoshio Miura
,
Kazuhiro Hono
,
Taichi Okuda
, and
Akio Kimura
Journal:
Communications Physics
Date Uploaded:
07/01/2025
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
Tuning magnetocaloric effect of Ho1-Gd Ni2 and HoNi2-Co alloys around hydrogen liquefaction temperature
Description/Abstract:
We show the giant magnetocaloric effect of HoNi2 compound can be tuned around hydrogen liquefaction temperature by substituting Ho with G...
Keyword:
Cryogenic
,
Magnetic entropy
, and
Magnetocaloric Materials
Resource Type:
Article
Author:
Jiawei Lai
,
Xin Tang
,
Hossein Sepehri-Amin
, and
Kazuhiro Hono
Journal:
Scripta Materialia
Date Uploaded:
15/11/2024
Tomography-based digital twin of Nd-Fe-B permanent magnets
Description/Abstract:
Many functional materials are designed at the multiscale level. To properly simulate their physical properties, large and sophisticated c...
Keyword:
Digital Twin
and
Hard magnets
Resource Type:
Article
Author:
Anton Bolyachkin
,
Ekaterina Dengina
,
Nikita Kulesh
,
Xin Tang
,
Hossein Sepehri-Amin
,
Tadakatsu Ohkubo
, and
Kazuhiro Hono
Journal:
npj Computational Materials
Date Uploaded:
21/10/2024
An Automated Site-Specific Tip Preparation Method for Atom Probe Tomography Using Script-Controlled Focused Ion Beam/Scanning Electron Microscopy
Description/Abstract:
The automatization of the atom probe tomography (APT) tip preparation using a focused ion beam (FIB) with a scanning electron microscopy ...
Keyword:
atom probe tomography
,
focused ion beam
, and
scanning electron microscopy
Resource Type:
Article
Author:
Jun Uzuhashi
,
Tadakatsu Ohkubo
, and
Kazuhiro Hono
Journal:
Microscopy and Microanalysis
Date Uploaded:
04/09/2024
Micromagnetic simulations of Nd-Fe-B hot-deformed magnets subjected to eutectic grain boundary diffusion process
Description/Abstract:
The grain boundary diffusion process (GBDP) is one of the most efficient treatments for increasing the coercivity (Hc) of Nd-Fe-B magnets...
Keyword:
Grain boundary diffusion process
,
Micromagnetic simulation
,
Nd-Fe-B
, and
Permanent magnet
Resource Type:
Article
Author:
Anton Bolyachkin
,
Ekaterina Dengina
,
Hossein Sepehri-Amin
,
Tadakatsu Ohkubo
, and
Kazuhiro Hono
Journal:
Scripta Materialia
Date Uploaded:
23/08/2024
Theoretical study of the effect of lattice dynamics on the damping constant of FePt at finite temperature
Description/Abstract:
Understanding magnetic damping behavior at finite temperatures is crucial for magnetization reversal, especially in heat-assisted magneti...
Keyword:
First-principles calculations, Lattice dynamics, Magnetization dynamics, Spin-orbit torque
Resource Type:
Article
Author:
Ivan Kurniawan
,
Yoshio Miura
,
Guangzong Xing
,
Terumasa Tadano
, and
Kazuhiro Hono
Journal:
Physical Review B
Date Uploaded:
20/12/2024
Giant interfacial perpendicular magnetic anisotropy in Fe/CuIn1−xGaxSe2 beyond Fe/MgO
Description/Abstract:
We study interfacial magnetocrystalline anisotropies in various Fe/semiconductor heterostructures by means of first-principles calculatio...
Keyword:
Magnetic anisotropy
,
Magnetic tunnel junction
, and
Spintronics
Resource Type:
Article
Author:
Keisuke Masuda
,
Shinya Kasai
,
Yoshio Miura
, and
Kazuhiro Hono
Journal:
Physical Review B
Date Uploaded:
11/04/2024
Heating rate dependence of coercivity and microstructure of Fe–B–P–Cu nanocrystalline soft magnetic materials
Description/Abstract:
The nanocrystalline structure and soft magnetic properties of melt-spun Fe-B-P-Cu ribbons are largely influenced by heating rates for cry...
Keyword:
atom probe tomography
Resource Type:
Article
Author:
Yohei Nomura
,
Jun Uzuhashi
,
Tatsuya Tomita
,
Toru Takahashi
,
Hidenori Kuwata
,
Taichi Abe
,
Tadakatsu Ohkubo
, and
Kazuhiro Hono
Journal:
Journal of Alloys and Compounds
Date Uploaded:
29/03/2024
Atomic Diffusion of Indium through Threading Dislocations in InGaN Quantum Wells
Description/Abstract:
The compositional and structural investigations of threading dislocations (TDs) in InGaN/GaN multiple quantum wells were carried out usin...
Keyword:
InGaN
,
atom probe tomography
,
dislocation
,
pipe diffusion
, and
transmission electron microscopy
Resource Type:
Article
Author:
Yudai Yamaguchi
,
Yuya Kanitani
,
Yoshihiro Kudo
,
Jun Uzuhashi
,
Tadakatsu Ohkubo
,
Kazuhiro Hono
, and
Shigetaka Tomiya
Journal:
NANO LETTERS
Date Uploaded:
04/10/2023
Date Modified:
04/10/2023
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6
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5
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Kazuhiro Hono
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