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arXiv 0708.2117cond-mat.supr-con
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CaLi2中的压致超导

Pressure-induced Superconductivity in CaLi2

T. Matsuoka, M. Debessai, J. J. Hamlin, A. K. Gangopadhyay, J. S. Schilling

摘要:

研究人员对六方晶系的Laves相CaLi 2进行了超导电性的研究,Feng,Ashcroft和Hoffmann预测这种化合物在压力下会有高度异常的行为。在1.10 K以上的环境压力下没有观察到超导性。然而,高压交流磁化率和电阻率的研究,81 GPa显示体超导性在CaLi 2在温度高达13 K。正常状态下的电阻率随压力的增加而急剧增加。

英文摘要:

A search for superconductivity has been carried out on the hexagonal polymorph of Laves-phase CaLi2, a compound for which Feng, Ashcroft, and Hoffmann predict highly anomalous behavior under pressure. No superconductivity is observed above 1.10 K at ambient pressure. However, high-pressure ac susceptibility and electrical resistivity studies to 81 GPa reveal bulk superconductivity in CaLi2 at temperatures as high as 13 K. The normal-state resistivity shows a dramatic increase with pressure.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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