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arxiv: 0807.0800 · v1 · submitted 2008-07-04 · ❄️ cond-mat.supr-con · cond-mat.str-el

Pressure-induced superconductivity in single crystal CaFe2As2

Tuson Park , Eunsung Park , Hanoh Lee , T. Klimczuk , E D Bauer , F Ronning , J D Thompson This is my paper
classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords appliedcafe2as2crystalfieldpressurepressure-inducedsinglesuperconductivity
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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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