Ansiotropy in friction and molecular stick-slip motion
- 30 May 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 72 (22), 3546-3549
- https://doi.org/10.1103/physrevlett.72.3546
Abstract
A fundamental study of friction by friction force microscopy on an organic bilayer assembly is presented. Frictional domains are observed with a real area of contact in the regime of the lattice spacings. Their frictional contrast is changing in respect with the sliding direction. Such a local anisotropic behavior of friction is shown to originate in different 2D crystal orientations. On the molecular scale stick-slip motion is observed which can be related to the macroscopic terms of static and dynamic friction.Keywords
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