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Kazunari Yamaura
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One-third magnetization plateau in Quantum Kagome antiferromagnet
Description/Abstract:
The emergence of nontrivial quantum states from competing interactions is a central issue in quantum magnetism. In particular, for the re...
Keyword:
Magnetic properties
and
Quantum fluids and solids
Resource Type:
Article
Author:
Moyu Kato
,
Yasuo Narumi
,
Katsuhiro Morita
,
Yoshitaka Matsushita
,
Shuhei Fukuoka
,
Satoshi Yamashita
,
Yasuhiro Nakazawa
,
Migaku Oda
,
Hiroaki Hayashi
,
Kazunari Yamaura
,
Masayuki Hagiwara
, and
Hiroyuki K. Yoshida
Journal:
Communications Physics
Date Uploaded:
06/01/2025
B-Site-Ordered and Disordered Structures in A-Site-Ordered Quadruple Perovskites RMn3Ni2Mn2O12 with R = Nd, Sm, Gd, and Dy
Description/Abstract:
ABO3 perovskite materials with small cations at the A site, especially with ordered cation arrangements, have attracted a lot of interest...
Keyword:
A-site-ordered perovskites
,
crystal structures
,
high-pressure synthesis
,
magnetic properties
, and
synchrotron X-ray diffraction
Resource Type:
Article
Author:
Alexei A. Belik
,
Ran Liu
,
Masahiko Tanaka
, and
Kazunari Yamaura
Journal:
Molecules
Date Uploaded:
16/12/2024
High-pressure synthesis of half-doped perovskites MnV0.5Nb0.5O3 and MnV0.5Ta0.5O3 with unusual A-site small Mn2+ cations
Description/Abstract:
We have successfully synthesized two new half-doped perovskites, MnV0.5Nb0.5O3 and MnV0.5Ta0.5O3, with unique small Mn2+ cations at the A...
Keyword:
High-pressure synthesis
,
MnVO3
, and
Perovskites
Resource Type:
Article
Author:
Xun Kang
,
Hiroaki Hayashi
,
Alexei A. Belik
,
Yoshihiro Tsujimoto
, and
Kazunari Yamaura
Journal:
HIGH PRESSURE RESEARCH
Date Uploaded:
21/11/2024
Inverse exchange bias effects and magnetoelectric coupling of the half-doped perovskite-type chromites Gd0.5Sr0.5CrO3 and Gd0.5Ca0.5CrO3
Description/Abstract:
The Cr4+ oxidation state with two electrons in the Cr 3d shell is not often observed in perovskite-type oxides, as high pressures and tem...
Keyword:
chromium
,
exchange bias effect
, and
perovskite oxide
Resource Type:
Article
Author:
Biswajit Dalal
,
Xun Kang
,
Yoshitaka Matsushita
,
Alexei A. Belik
,
Yoshihiro Tsujimoto
, and
Kazunari Yamaura
Journal:
Physical Review B
Date Uploaded:
10/09/2024
Post-spinel-type AB2O4 high-pressure phases in geochemistry and materials science
Description/Abstract:
Post-spinel-type AB2O4 compounds are stable at higher pressures than spinel phases. These compounds have garnered much interest in geo- a...
Keyword:
Post spinel
and
high-pressure phases
Resource Type:
Article
Author:
Masaki Akaogi
,
Takayuki Ishii
, and
Kazunari Yamaura
Journal:
Communications Chemistry
Date Uploaded:
30/08/2024
Exploring the Magnetic Phase Diagram and Hall Resistivity Suppression in Centrosymmetric GdOs<sub>2</sub>Si<sub>2</sub> Single Crystal
Description/Abstract:
Magnetic skyrmions were initially identified in non-centrosymmetric materials. However, recent theoretical advancements have suggested th...
Keyword:
GdOs2Si2
,
Hall resistivity
, and
Skyrmions
Resource Type:
Article
Author:
Hiroaki Hayashi
,
Moyu Kato
,
Taichi Terashima
,
Naoki Kikugawa
,
Hiroya Sakurai
,
Hiroyuki K. Yoshida
, and
Kazunari Yamaura
Journal:
Journal of the Physical Society of Japan
Date Uploaded:
05/08/2024
Three Perovskite Phases with Different Cation Orders in Sm<sub>2</sub>MnMn(Mn<sub>4−<i>x</i></sub>Sb<sub><i>x</i></sub>)O<sub>12</sub>
Description/Abstract:
Cation order, which can be controlled by synthesis conditions and stoichiometry, plays an important role in properties of perovskite mate...
Keyword:
A-site columnar-ordered perovskites
,
crystal structures
,
ferrimagnets
, and
high-pressure
Resource Type:
Article
Author:
Xuan Liang
,
Kazunari Yamaura
, and
Alexei A. Belik
Journal:
CHEMISTRY-A EUROPEAN JOURNAL
Date Uploaded:
23/07/2024
Large anomalous Hall effect in spin fluctuating devil’s staircase
Description/Abstract:
Electrons in metals can show a giant anomalous Hall effect (AHE) when interacting with characteristic spin texture. The AHE has been di...
Keyword:
SrCo6O11
,
anomalous Hall effect
, and
devil's staircase
Resource Type:
Article
Author:
Naoki Abe
,
Yuya Hano
,
Hiroaki Ishizuka
,
Yusuke Kozuka
,
Terumasa Tadano
,
Yoshihiro Tsujimoto
,
Kazunari Yamaura
,
Shintaro Ishiwata
, and
Jun Fujioka
Journal:
npj Quantum Materials
Date Uploaded:
20/05/2024
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
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9
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Kazunari Yamaura
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Alexei A. Belik
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Yoshihiro Tsujimoto
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Japan Society for the Promotion of Science
5
Kazuchika Okura Memorial Foundation
3
MEXT | Japan Society for the Promotion of Science
2
Casio Science Promotion Foundation
1
Japan Synchrotron Radiation Research Institute
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CHEMISTRY-A EUROPEAN JOURNAL
1
Communications Chemistry
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Communications Physics
1
HIGH PRESSURE RESEARCH
1
Journal of the Physical Society of Japan
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