Superconductivity in dense lithium

Struzhkin, V. V.; Eremets, M. I.; Gan, W.; Mao, H. K.; Hemley, R. J.

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Superconductivity in dense lithium

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Eremets, M. I.
High Pressure Group, Max Planck Institute for Chemistry, Max Planck Society;

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Struzhkin, V. V., Eremets, M. I., Gan, W., Mao, H. K., & Hemley, R. J. (2002). Superconductivity in dense lithium. Science, 298(5596), 1213-1215.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-9052-A

Abstract

Superconductivity in compressed lithium is observed by magnetic susceptibility and electrical resistivity measurements. A superconducting critical temperature (T-c) is found ranging from 9 to 16 kelvin at 23 to 80 gigapascals. The pressure dependence of c suggests multiple phase transitions, consistent with theoretical predictions and reported x-ray diffraction results. The observed values for T-c are much lower than those theoretically predicted, indicating that more sophisticated theoretical treatments similar to those proposed for metallic hydrogen may be required to understand superconductivity in dense phases of lithium.