Magnetic Structure of Cu<sub>0.3</sub>Zn<sub>0.7</sub>Cr<sub>2</sub>Se<sub>4</sub>
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- Iikubo Satoshi
- Department of Physics, Division of Material Science, Nagoya University
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- Ohno Youhei
- Department of Physics, Division of Material Science, Nagoya University
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- Kobayashi Yoshiaki
- Department of Physics, Division of Material Science, Nagoya University
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- Yasui Yukio
- Department of Physics, Division of Material Science, Nagoya University
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- Ito Masafumi
- Department of Physics, Division of Material Science, Nagoya University
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- Soda Minoru
- Department of Physics, Division of Material Science, Nagoya University
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- Sato Masatoshi
- Department of Physics, Division of Material Science, Nagoya University
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- Kakurai Kazuhisa
- Advanced Science Research center
書誌事項
- タイトル別名
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- Magnetic Structure of Cu0.3Zn0.7Cr2Se4
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説明
Ferromagnetic spinel system Cu1−xZnxCr2Se4 has been studied by neutron diffraction, NMR and magnetization measurements on both polycrystalline and single crystal samples. The magnetic state are discussed mainly for x=0.7: At low temperature, the system is essentially in the conically ordered state, and the uniform magnetization M and the modulation vector Qm are along ⟨100⟩ in zero magnetic field but not necessarily parallel to each other. All Cr moments within a plane perpendicular to Qm are parallel, where the conical angle θc of the Cr moment is ∼50° and the pitch δφ of the azimuthal angles φ is estimated to be ∼38°. The width of the random distribution of δφ around the average value increases rather significantly with increasing temperature T, while the correlation length of the ferromagnetic component does not exhibit significant change up to room temperature. When the external magnetic field is applied, the conical axis of each domain rotates toward the field direction without changing the modulation vector Qm. Brief discussion on the relationship between the non-trivial magnetic structure and the behavior of the anomalous Hall resistivity is also given.
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ
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Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ 73 (4), 1023-1030, 2004
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204185799296
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- NII論文ID
- 210000104766
- 110001974381
- 130004538743
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73.1023I
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 6917745
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- 本文言語コード
- en
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- 資料種別
- journal article
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