Magnetization Curve and Magnetoelectric Effect in Antiferromagnetic Chiral Square Cupolas (A(TiO)Cu<sub>4</sub>(PO<sub>4</sub>)<sub>4</sub>(A=Ba, Sr))
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- Kato Yasuyuki
- Department of Applied Physics, The University of Tokyo
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- Kimura Kenta
- Division of Materials Physics, Graduate School of Engineering Science, Osaka University
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- Miyake Atsushi
- Institute for Solid State Physics, The University of Tokyo
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- Tokunaga Masashi
- Institute for Solid State Physics, The University of Tokyo
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- Matsuo Akira
- Institute for Solid State Physics, The University of Tokyo
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- Kindo Koichi
- Institute for Solid State Physics, The University of Tokyo
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- Akaki Mitsuru
- Center for Advanced High Magnetic Field Science, Graduate School of Science, Osaka University
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- Hagiwara Masayuki
- Center for Advanced High Magnetic Field Science, Graduate School of Science, Osaka University
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- Sera Masakazu
- Division of Materials Physics, Graduate School of Engineering Science, Osaka University
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- Kimura Tsuyoshi
- Division of Materials Physics, Graduate School of Engineering Science, Osaka University
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- Motome Yukitoshi
- Department of Applied Physics, The University of Tokyo
Bibliographic Information
- Other Title
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- 反強磁性カイラル正四角台塔系(A(TiO)Cu<sub>4</sub>(PO<sub>4</sub>)<sub>4</sub>(A=Ba, Sr))の磁化曲線と電気磁気効果
Abstract
<p>最近局所的に反転対称性の無い正四角台塔型のユニット,Cu_4_O_12_, を内包する擬二次元物質系 !LaTeX$A$(TiO)Cu_4_(PO_4_)_4_ (!LaTeX$A$=Ba, Sr)が新たに合成された.本講演では,系の対称性を考慮した局在スピン系の理論模型の解析 結果を報告する.具体的には以下の点について報告する.有限磁場下の解析を行った結果,実験で得られた磁化曲線を良く再現することがわ かった.さらに,高磁場領域において,磁化曲線にはほとんど変化をもたらさない反強磁性相間の隠れた相転移が存在することを発見した.ま たこの相転移が格子のカイラリティによって制御可能であることがわかった.</p>
Journal
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- Meeting Abstracts of the Physical Society of Japan
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Meeting Abstracts of the Physical Society of Japan 71.2 (0), 1850-1850, 2016
The Physical Society of Japan
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Details 詳細情報について
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- CRID
- 1390282680936699904
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- NII Article ID
- 130006244480
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- ISSN
- 21890803
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed