Pressure study of the new iron-based superconductor K0.8Fe2Se2

Y. Kawasaki , Y. Mizuguchi , K. Deguchi , T. Watanabe , T. Ozaki , S. Tsuda , T. Yamaguchi , Hiroyuki Takeya

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Y. Takano

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classification ❄️ cond-mat.supr-con

keywords pressurefe2se2iron-basedonsetsuperconductorbecucellclamped

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We investigated pressure effects on transition temperature (Tc) of the new iron-based superconductor K0.8Fe2Se2 using a BeCu/NiCrAl hybrid-type clamped piston-cylinder cell. The Tc(onset) was 33K at 0.85 GPa. With increasing pressure, Tc(onset) gradually increased and reached 36.6 K at 2.03 GPa.

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Pressure study of the new iron-based superconductor K0.8Fe2Se2

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