Superconductivity-dependent sliding friction
Superconductivity-dependent sliding friction
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DOI：
10.1103/physrevlett.80.1690
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发表时间：
1998-02-23
影响因子：
8.6
通讯作者：
Krim, J
中科院分区：
文献类型：
--
作者：
Dayo, A;Alnasrallah, W;Krim, J
Ne have employed a quartz crystal microbalance technique to measure the friction associated with sliding of solid nitrogen along a lead surface, above and below the lead's superconducting transition temperature. The friction is observed to drop abruptly at the transition as the substrate enters the superconducting slate. The observation signifies a new phenomenon, most likely attributable to electronic contributions to friction. While such contributions have been discussed and debated theoretically for a number of years, they have heretofore not been observed in any direct experimental fashion. [S0031-9007(98)05391-5].
