Stick-slip motion in spite of a slippery contact: Do we get what we see in atomic friction?

被引:40
作者
Krylov, S. Yu. [1 ]
Dijksman, J. A. [1 ]
van Loo, W. A. [1 ]
Frenken, J. W. M. [1 ]
机构
[1] Leiden Univ, Kamerlingh Onnes Lab, NL-2300 RA Leiden, Netherlands
关键词
D O I
10.1103/PhysRevLett.97.166103
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Atomic force microscopy provides direct atomic-scale access to friction. In this paper, unexpected and potentially dramatic consequences of the tip elasticity are discussed. Under certain natural conditions an essentially new, nontrivial regime can be entered. Although the tip appears to perform typical stick-slip motion, the tip-surface contact is fully "lubricated" by fast thermal motion of the tip apex. The interpretation of the observations needs to be changed completely in this case.
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页数:4
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