EuFe2As2 under high pressure: an antiferromagnetic bulk superconductor
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- Terashima Taichi
- National Institute for Materials Science JST, Transformative Research-Project on Iron Pnictides (TRIP)
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- Kimata Motoi
- National Institute for Materials Science
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- Satsukawa Hidetaka
- National Institute for Materials Science
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- Harada Atsushi
- National Institute for Materials Science
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- Hazama Kaori
- National Institute for Materials Science
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- Uji Shinya
- National Institute for Materials Science JST, Transformative Research-Project on Iron Pnictides (TRIP)
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- Suzuki Hiroyuki S.
- National Institute for Materials Science
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- Matsumoto Takehiko
- National Institute for Materials Science
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- Murata Keizo
- Division of Molecular Materials Science, Graduate School of Science, Osaka City University
書誌事項
- タイトル別名
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- EuFe<SUB>2</SUB>As<SUB>2</SUB> under High Pressure: An Antiferromagnetic Bulk Superconductor
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説明
We report the ac magnetic susceptibility χac and resistivity ρ measurements of EuFe2As2 under high pressure P. By observing nearly 100% superconducting shielding and zero resistivity at P=28 kbar, we establish that P-induced superconductivity occurs at Tc∼30 K in EuFe2As2. ρ shows an anomalous nearly linear temperature dependence from room temperature down to Tc at the same P. χac indicates that an antiferromagnetic order of Eu2+ moments with TN∼20 K persists in the superconducting phase. The temperature dependence of the upper critical field is also determined.
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 78 (8), 083701-083701, 2009
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
- 1390282679173559552
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- NII論文ID
- 130005437547
- 40016692826
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- NII書誌ID
- AA00704814
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 10316731
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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
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- 使用不可