Drastic Change of Magnetic Phase Diagram in Doped Quantum Antiferromagnet TlCu1-xMgxCl3
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- Fujisawa Masashi
- Department of Physics, Tokyo Institute of Technology
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- Ono Toshio
- Department of Physics, Tokyo Institute of Technology
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- Fujiwara Hideyasu
- Department of Physics, Tokyo Institute of Technology
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- Tanaka Hidekazu
- Research Center for Low Temperature Physics, Tokyo Institute of Technology
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- Sikolenko Vadim
- Hahn-Meitner-Institute
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- Meissner Michael
- Hahn-Meitner-Institute
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- Smeibidl Peter
- Hahn-Meitner-Institute
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- Gerischer Sebastian
- Hahn-Meitner-Institute
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- Graf Hans A.
- Hahn-Meitner-Institute
書誌事項
- タイトル別名
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- Drastic Change of Magnetic Phase Diagram in Doped Quantum Antiferromagnet TlCu1−xMgxCl3
- Drastic Change of Magnetic Phase Diagram in Doped Quantum Antiferromagnet TlCu<sub>1-<i>x</i></sub>Mg<sub><i>x</i></sub>Cl<sub>3</sub>
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TlCuCl3 is a coupled spin dimer system, which has a singlet ground state with an excitation gap of Δ⁄gμB=5.5 T. TlCu1−xMgxCl3 doped with nonmagnetic Mg2+ ions undergoes impurity-induced magnetic ordering. Because triplet excitation with a finite gap still remains, this doped system can also undergo magnetic-field-induced magnetic ordering. Through specific heat measurements and neutron scattering experiments under a magnetic field, we investigated the phase diagram in TlCu1−xMgxCl3 with x∼0.01, and found that impurity- and field-induced ordered phases are the same. The gapped spin liquid state observed in pure TlCuCl3 is completely wiped out by the small amount of doping.
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 75 (3), 033702-, 2006
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
- 1390001204189814400
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- NII論文ID
- 110004704663
- 210000106025
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2006JPSJ...75c3702F
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7852146
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
