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arxiv: 0901.4468 · v1 · submitted 2009-01-28 · ❄️ cond-mat.supr-con · cond-mat.str-el

Pressure shift of the superconducting T_c of LiFeAs

M. Gooch , B. Lv , J. H. Tapp , Z. Tang , B. Lorenz , A. M. Guloy , P. C. W. Chu This is my paper
classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords pressurelifeassuperconductingambientanaloguebafecoefficientdecreases
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The effect of hydrostatic pressure on the superconductivity in LiFeAs is investigated up to 1.8 GPa. The superconducting transition temperature, T_c, decreases linearly with pressure at a rate of 1.5 K/GPa. The negative pressure coefficient of T_c and the high ambient pressure T_c indicate that LiFeAs is the high-pressure analogue of the isoelectronic SrFe_2As_2 and BaFe_2As_2.

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