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Charge transport and thermopower in the electron-doped narrow gap semiconductor Ca1−xLaxPd3O4
Description/Abstract:
狭ギャップ半導体であるCa1-xLaxPd3O4の輸送特性、熱電特性、電子状態計測を行った。x=0では0.1eV程度のバンドギャップを持ち、第一原理計算と一致した。また、Laによる電子ドープにより急激に抵抗は減少しx=0.01では金属的になった。一方で、ゼーベック係数はxに...
Keyword:
Palladates
Resource Type:
Article
Author:
Kouta Kazama
,
Masato Sakano
,
Kohei Yamagami
,
Takuo Ohkochi
,
Kyoko Ishizaka
,
Terumasa Tadano
,
Yusuke Kozuka
,
Hidetoshi Yoshizawa
,
Yoshihiro Tsujimoto
,
Kazunari Yamaura
, and
Jun Fujioka
Journal:
Physical Review Materials
Date Uploaded:
02/12/2023
Date Modified:
04/12/2023
Oxide layer dependent orbital torque efficiency in ferromagnet/Cu/oxide heterostructures
Description/Abstract:
The utilization of orbital transport provides a versatile and efficient spin manipulation mechanism. As interest in orbital-mediated spin...
Keyword:
spintronics
Resource Type:
Article
Author:
Junyeon Kim
,
Jun Uzuhashi
,
Masafumi Horio
,
Tomoaki Senoo
,
Dongwook Go
,
Daegeun Jo
,
Toshihide Sumi
,
Tetsuya Wada
,
Iwao Matsuda
,
Tadakatsu Ohkubo
,
Seiji Mitani
,
Hyun-Woo Lee
, and
YoshiChika Otani
Journal:
Physical Review Materials
Date Uploaded:
01/12/2023
Date Modified:
01/12/2023
Ranking Pareto optimal solutions based on projection free energy
Description/Abstract:
Based on available datasets prepared by numerical simulations and machine learning, maps of properties for materials that have not yet be...
Keyword:
Pareto solutions
,
free energy
, and
semiconductor
Resource Type:
Article
Author:
Ryo Tamura
,
Kei Terayama
,
Masato Sumita
, and
Koji Tsuda
Journal:
Physical Review Materials
Date Uploaded:
04/10/2023
Date Modified:
04/10/2023
Machine learning study of highly spin-polarized Heusler alloys at finite temperature
Description/Abstract:
A huge magnetoresistance (MR) ratio exceeding 2000% at cryogenic temperature that was reported for half-metallic Heusler alloy based magn...
Keyword:
spintronics, half-metal, Heusler alloy, machine learning, disordered local moment, Bayesian optimization
Resource Type:
Article
Author:
Ivan Kurniawan
,
Yoshio Miura
, and
Kazuhiro Hono
Journal:
Physical Review Materials
Date Uploaded:
10/07/2023
First-principles calculations on the spin anomalous Hall effect of ferromagnetic alloys
Description/Abstract:
The spin anomalous Hall effect (SAHE) in ferromagnetic metals, which can generate a spin-orbit torque to rotate the magnetization of anot...
Keyword:
Density of states, Fermi surface, Magnetotransport, Spin-orbit coupling, Spintronics
Resource Type:
Article
Author:
Yoshio Miura
and
Keisuke Masuda
Journal:
Physical Review Materials
Date Uploaded:
01/08/2022
Date Modified:
15/05/2023
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