Pressure-induced superconductivity in single crystal CaFe2As2

Details Pressure-induced superconductivity in single crystal CaFe2As2 Pressure-induced superconductivity in single crystal CaFe2As2

2008-07-04

arxiv.org/abs/0807.0800v1

J. Phys.: Condens. Matter 20, 322204 (2008)

Physics

Condensed Matter

Superconductivity

Accepted to J. Phys.: Condens. Matter (7 pages, 2 figures)

Scientific paper

10.1088/0953-8984/20/32/322204

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 Tc exceeding 10 K. The rate of Tc suppression with applied magnetic field is -0.7 K/T, giving an extrapolated zero-temperature upper critical field of 10-14T.

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