Pressure-induced magnetic transition in a single crystal of YbCo2Zn20
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概要
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We have measured the electrical resistivity of a single crystal of YbCo2Zn20 at pressures up to 2.37 GPa and at temperatures from 50 mK to 300 K. Above a critical pressure P. (similar to I GPa), we have found a resistivity anomaly at T-M (similar to 0.15 K at 1 GPa) that increases with the pressure. At the ambient pressure, the system shows a nonmagnetic ground state described by the Fermi-liquid model. The T-2 coefficient of the electrical resistivity A strongly increases with the pressure upon approaching Pc. However, in the vicinity of P,, the temperature dependence of the resistivity deviates from the Fermi-liquid description. These observations suggest that the application of hydrostatic pressure induces a magnetically ordered state for P >= P-c and T <= T-M.
- 社団法人日本物理学会の論文
- 2008-05-15
著者
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KOSAKA Masashi
Graduate School of Science and Engineering, Saitama University
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KATANO Susumu
Graduate School of Science and Engineering, Saitama University
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Matsubayashi Kazuyuki
The Institute For Solid State Physics Tokyo University
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Matsubayashi Kazuyuki
Institute For Solid State Physics The University Of Tokyo
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Kosaka Masashi
Graduate School Of Science And Engineering Saitama University
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Katano Susumu
Graduate School Of Science And Engineering Saitama University
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UWATOKO Yoshiya
Institute for Solid State Physics, The University of Tokyo
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FUJIWARA Tetsuya
Graduate School of Science and Engineering, Yamaguchi University
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HEDO Masato
Faculty of Science, University of the Ryukyus
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Matsumoto T
Kyoto Univ. Kyoto
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SAIGA Yuta
Graduate School of Science and Engineering, Saitama University
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Hedo Masato
Faculty Of Science University Of The Ryukyus
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Hedo Masato
Institute For Solid State Physics (issp) University Of Tokyo
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Hedo Masato
The Institute For Solid State Physics The University Of Tokyo
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Saiga Yuta
Graduate School Of Science And Engineering Saitama University
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Fujiwara Tetsuya
Graduate School Of Science And Engineering Yamaguchi University
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MATSUMOTO Takehiko
Institute for Solid State Physics, The University of Tokyo
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Matsumoto T
National Research Institute For Metals
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Matsumoto T
Materials Engineering Laboratory National Institute Of Materials Science
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Matsumoto T
Institute For Solid State Physics The University Of Tokyo
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Uwatoko Yoshiya
Institute For Solid State Physics (issp) The University Of Tokyo
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Matsumoto Takehiko
Institute For Solid State Physics The University Of Tokyo
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Kosaka Masashi
Saitama Univ. Saitama
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Uwatoko Yoshiya
Institute for Solid State Physics
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