Pressure Effect on Superconductivity and Antiferroquadrupolar Order in PrOs4Sb12
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- Tayama Takashi
- Institute for Solid State Physics, University of Tokyo
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- Sakakibara Toshiro
- Institute for Solid State Physics, University of Tokyo
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- Sugawara Hitoshi
- Faculty of Integrated Arts and Sciences, The University of Tokushima
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- Sato Hideyuki
- Department of Physics, Tokyo Metropolitan University
Bibliographic Information
- Other Title
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- Pressure Effect on Superconductivity and Antiferroquadrupolar Order in PrOs<sub>4</sub>Sb<sub>12</sub>
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Description
We report the results of the low-temperature dc magnetization measurements of PrOs4Sb12 under hydrostatic pressures up to 1.45 GPa. The pressure effect on the temperature dependence of magnetization and the magnetic phase diagram reveals that the crystal field energy splitting of a Γ1 singlet ground state and a Γ4(2) triplet first exited state decreases with an increase in pressure, whereas the two superconducting transition temperatures along with the upper critical field decrease significantly. Our results suggest that the low-field superconducting state competes with the high-field antiferroquadrupolar ordered state.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 75 (4), 043707-, 2006
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390282679162350720
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- NII Article ID
- 210000106077
- 110004729250
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- NII Book ID
- AA00704814
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 7882261
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed