Magnetic properties of K2CuF4 A transparent two-dimensional ferromagnet
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- Yamada Isao
- Department of Electronics, Kyushu University
書誌事項
- タイトル別名
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- Magnetic Properties of K<SUB>2</SUB>CuF<SUB>4</SUB> —A Transparent Two-Dimensional Ferromagnet—
- Magnetic Properties of K<sub>2</sub>CuF<sub>4</sub> –A Transparent Two-Dimensional Ferromagnet–
- 公開日
- 1972
- DOI
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- 10.1143/jpsj.33.979
- 公開者
- 一般社団法人 日本物理学会
この論文をさがす
説明
It has been found that K2CuF4 is ferromagnetic below 6.25 K. The two-dimensionality of this compound as expected from its K2NiF4 type structure is strongly supported by magnetic and specific heat measurements. The torque as well as zero field NMR measurements suggest that the c-plane is an easy plane, in which the spins are very weakly bounded to the direction of a-axis. On the assumption that this magnetic system to be purely two-dimensional, the exchange interaction J between the spins within the c-plane is found to be the Heisenberg type with about one percent XY-like anisotropy and j⁄k=10.0 K is obtained from the series expansion analysis of the high temperature susceptibility as well as linear dependence of the low temperature specific heat. The transition at 6.25 K may be caused by inter-layer exchange interaction. The exchange field between the adjacent layers is expected at least larger than 400 Oe.
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 33 (4), 979-988, 1972
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
- 1390282679166558208
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- NII論文ID
- 110001961949
- 130003893533
- 210000083495
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1972JPSJ...33..979Y
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- COI
- 1:CAS:528:DyaE38XlsFOqu7w%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7668719
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- 本文言語コード
- en
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- NDLサーチ
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