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Atomic Structure Affects the Directional Dependence of Friction

Weymouth, Alfred J., Meuer, Daniel, Mutombo, Pingo, Wutscher, Thorsten, Ondracek, Martin, Jelinek, Pavel and Giessibl, Franz J. (2013) Atomic Structure Affects the Directional Dependence of Friction. Physical Review Letters 111 (12), p. 126103.

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Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.111.126103, http://journals.aps.org/prl/pdf/10.1103/PhysRevLett.111.126103


Abstract

Friction between two objects can be understood by the making, stretching, and breaking of thousands of atomic-scale asperities. We have probed single atoms in a nonisotropic surface [the H-terminated Si(100) surface] with a lateral force microscope operating in noncontact mode. We show that these forces are measurably different, depending upon the direction. Experimentally, these differences are ...

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Item type:Article
Date:18 September 2013
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Franz J. Giessibl
Projects:GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis, GAC ˇ R), GAAV
Identification Number:
ValueType
10.1103/PhysRevLett.111.126103DOI
Classification:
NotationType
68.35.AfPACS
07.79.LhPACS
07.79.SpPACS
Keywords:Atomic scale friction, Atomic force microscopes, Friction force microscopes
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:29575
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