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Keisuke Masuda
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1.
Bias voltage effects on tunneling magnetoresistance in Fe/MgAl2O4/Fe(001) junctions: Comparative study with Fe/MgO/Fe(001) junctions
Description/Abstract:
スピネルバリアを用いた磁気トンネル接合Fe/MgAl2O4/Feの電圧特性を理論的に解析し、その結果をFe/MgO/Feの電圧特性と比較した。その結果、Fe/MgAl2O4/Feでは電極でのバンド折りたたみが起こるため、磁気抵抗比の電圧耐性がFe/MgO/Feよりも高くなる...
Keyword:
Magnetic tunnel junction
,
Spinel
,
Spintronics
, and
Tunnel magnetoresistance
Resource Type:
Article
Author:
Keisuke Masuda
and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
2.
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
3.
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
4.
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
5.
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
6.
Chemical-substitution-driven giant anomalous Hall and Nernst effects in magnetic cubic Heusler compounds
Description/Abstract:
Chemical substitution efficiently optimizes the physical properties of Heusler compounds, especially their anomalous transport properties...
Keyword:
Anomalous Hall conductivity
,
Anomalous Nernst conductivity
,
Heusler compounds
, and
High-throughput screening
Resource Type:
Article
Author:
Guangzong Xing
,
Keisuke Masuda
,
Terumasa Tadano
, and
Yoshio Miura
Journal:
Acta Materialia
Date Uploaded:
09/04/2024
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Keisuke Masuda
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