Superconductivity dependent friction of water, nitrogen, and superheated he films adsorbed on Pb(111)

被引：59

作者：

Highland, M. ^{[1
]}

Krim, J. ^{[1
]}

机构：

[1] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.96.226107

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a quartz crystal microbalance study of sliding friction levels in N-2, H2O, and superheated He films adsorbed on Pb(111) substrates alternating in and out of the superconducting state. Reductions in friction upon entry into the superconducting state are greater for N-2 than He, consistent with a recent theory that linked electronic friction to adsorbate polarizability. Our work also reveals that repetitive cycling of an externally applied magnetic field may impact friction.

引用

页数：4

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