Direct observation of transition between stick-slip and continuous sliding in atomic friction

被引:2
|
作者
Huang, WH [1 ]
Wei, Z
机构
[1] Univ Sci & Technol China, Dept Precis Machinery & Precis Instrument, Hefei 230027, Anhui, Peoples R China
[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230027, Anhui, Peoples R China
关键词
stick-slip; scanning tunneling microscopy; graphite; laser illumination; mechanical deformation;
D O I
10.1016/j.ultramic.2005.06.011
中图分类号
TH742 [显微镜];
学科分类号
摘要
The distortion and gradual recovery processes after a continuous tunable laser illuminating the graphite surface in air have been observed and analyzed in detail with a scanning tunneling microscope (STM). The slow response of the tip to the laser-induced mechanical elongation is responsible for the observed phenomena, which indicate that the transition between stick-slip and continuous sliding has occurred due to the atomically modulated friction between the STM tip and the graphite substrate. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:12 / 15
页数:4
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