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First-principles study of the anisotropic magneto-Peltier effect
Description/Abstract:
We study theoretically the anisotropic magneto-Peltier effect, which was recently demonstrated experimen-tally. A first-principles-based ...
Keyword:
Peltier effect
,
Spin caloritronics
, and
Spintronics
Resource Type:
Article
Author:
Keisuke Masuda
,
Ken-ichi Uchida
,
Ryo Iguchi
, and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
First-principles study on magnetic tunneling junctions with semiconducting CuInSe2and CuGaSe2barriers
Description/Abstract:
半導体バリアCuInSe2、CuGaSe2を持つ磁気トンネル接合の伝導特性を第一原理計算によって調べた。その結果、両トンネル接合でΔ1状態の波動関数のコヒーレントトンネル現象が生じ、高いMR比が得られることが分かった。
Keyword:
Magnetic tunnel junction
,
Spintronics
, and
Tunnel magnetoresistance
Resource Type:
Article
Author:
Keisuke Masuda
and
Yoshio Miura
Journal:
Japanese Journal of Applied Physics
Date Uploaded:
11/04/2024
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
Interface-driven giant tunnel magnetoresistance in (111)-oriented junctions
Description/Abstract:
We theoretically study the tunnel magnetoresistance (TMR) effect in (111)-oriented junctions Co/MgO/Co(111) and Ni/MgO/Ni(111). The Co-ba...
Keyword:
Magnetic tunnel junction
,
Spintronics
, and
Tunnel magnetoresistance
Resource Type:
Article
Author:
Keisuke Masuda
,
Hiroyoshi Itoh
, and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
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
Perpendicular magnetic anisotropy at the Fe/MgAl2O4 interface: Comparative first-principles study with Fe/MgO
Description/Abstract:
磁気ヘテロ接合Fe/MgAl2O4の界面の磁気異方性について第一原理計算に基づいた解析を行った。垂直磁気異方性が得られることがわかり、その起源についても微視的な解析によって理解が得られた。また、より大きな垂直磁気異方性を得る手段として界面への重元素挿入の可能性についても検討した。
Keyword:
Magnetic anisotropy
,
Magnetic tunnel junction
, and
Spintronics
Resource Type:
Article
Author:
Keisuke Masuda
and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
Theoretical Study on Magnetic Tunneling Junctions with Semiconductor Barriers CuInSe<sub>2</sub> and CuGaSe<sub>2</sub> Including a Detailed Analysis of Band-Resolved Transmittances
Description/Abstract:
2つの半導体バリアを持つ磁気トンネル接合(Fe/CuInSe2/Fe及びFe/CuGaSe2/Fe)の磁気伝導特性に関し、第一原理計算に基づく詳細な解析を行った。本論文ではその結果について議論を行った。
Keyword:
Magnetic tunnel junction
,
Spintronics
,
Tunnel magnetoresistance
, and
semiconductor
Resource Type:
Article
Author:
K. Masuda
and
Y. Miura
Journal:
Journal of the Magnetics Society of Japan
Date Uploaded:
11/04/2024
Date Modified:
11/04/2024
Band-folding-driven high tunnel magnetoresistance ratios in (111)-oriented junctions with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>SrTiO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> barriers
Description/Abstract:
We theoretically study the tunnel magnetoresistance (TMR) effect in novel (111)-oriented magnetic tunnel junctions (MTJs) with SrTiO3 bar...
Keyword:
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
Date Modified:
11/04/2024
Effects of time per layer and part geometry on thermal history and microcracking in the fabrication of nickel superalloy samples by laser powder bed fusion
Description/Abstract:
In this work, the purpose of the current study is to understand the effects of time per layer and part geometry on microcracking behavior...
Keyword:
Constricted geometry
,
Inconel 738 LC
,
Laser powder bed fusion
,
Microcracking
,
Thermal analysis
, and
Time per layer
Resource Type:
Article
Author:
Masahiro Kusano
,
Yusuke Takata
,
Atsushi Yumoto
, and
Makoto Watanabe
Journal:
Additive Manufacturing
Date Uploaded:
10/04/2024
Exotic magnetism in perovskite KOsO3
Description/Abstract:
A new perovskite KOsO3 has been stabilized under high-pressure and high-temperature conditions. It is cubic at 500 K (Pm-3m) and undergoe...
Keyword:
KOsO3
Resource Type:
Article
Author:
Jie Chen
,
Hongze Li
,
Javier Gainza
,
Angel Munoz
,
Jose A. Alonso
,
Jue Liu
,
Yu-Sheng Chen
,
ベリック アレクセイ
,
山浦 一成
,
Jiaming He
,
Xinyu Li
,
John B. Goodenough
, and
J.-S. Zhou
Journal:
PHYSICAL REVIEW LETTERS
Date Uploaded:
10/04/2024
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605
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Research Highlights
80
MANA E-BULLETIN
15
The history of DICE and NIMS Digital Library
10
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IMFP
17
nanomechanical sensors
13
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11
Nanosheets
10
Auger Depth Profiling Analysis
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526
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43
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34
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605
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In Copyright
266
Creative Commons BY Attribution 4.0 International
204
Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
43
Creative Commons BY-NC Attribution-NonCommercial 4.0 International
39
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Material/Specimen
HfO2
2
InP/GaInAsP multilayer specimens
2
41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Ge, Y, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Bi)
1
C (graphite), Si, Cr, Fe, Cu, Zn, Ga, Mo, Ag, Ta, W, Pt and Au
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26-n-paraffin
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Creator
TODOROKI, Shin-ichi
12
轟 眞市
9
INOUE, Satoru
8
田邉 浩介
2
MATSUMOTO, T.
1
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Author
International Center for Materials Nanoarchitectonics (WPI-MANA)
95
Ikumu Watanabe
28
Tanuma, Shigeo
18
Kosuke Minami
17
Yuichi Oshima
16
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MOTEKI, Fuma
1
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14
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7
https://creativecommons.org/licenses/by-nc-nd/4.0/
4
https://creativecommons.org/licenses/by-nc/4.0/
2
http://opensource.org/licenses/MIT
1
Funder
Japan Society for the Promotion of Science
40
JSPS
39
JST
23
Japan Science and Technology Agency
14
JSPS KAKENHI
8
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Journal
Physical Review B
22
Journal of Surface Analysis
10
Science and Technology of Advanced Materials
10
Scientific Reports
10
Surface and Interface Analysis
10
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