Pressure-induced superconductivity in CaFe2As2

被引：205

作者：

Park, Tuson ^{[1
,2
]}

Park, Eunsung ^{[2
]}

Lee, Hanoh ^{[1
]}

Klimczuk, T. ^{[1
,3
]}

Bauer, E. D. ^{[1
]}

Ronning, F. ^{[1
]}

Thompson, J. D. ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[2] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea

[3] Gdansk Univ Technol, Fac Appl Phys & Math, PL-80952 Gdansk, Poland

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2008年 / 20卷 / 32期

关键词：

D O I：

10.1088/0953-8984/20/32/322204

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report pressure-induced superconductivity in a single crystal of CaFe2As2. At atmospheric pressure, this material is antiferromagnetic below 170 K but under an applied pressure of 0.69 GPa becomes superconducting, with a transition temperature T-c exceeding 10 K. The rate of Tc suppression with applied magnetic field is - 0.7 K T-1, giving an extrapolated zero-temperature upper critical field of 10 - 14 T.

引用

页数：3

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