Angular dependence of atomic friction with deformable substrate

G. Kenmoé (), C. Takoutsing and T. Kofané

The European Physical Journal B: Condensed Matter and Complex Systems, 2015, vol. 88, issue 1, 1-7

Abstract: The atomic stick-slip behavior of Prandtl-Tomlinson model sliding on 2D deformable substrate is studied. The influence of the shape of the interaction potential is investigated in details in the well-known phenomenon of the two-dimensional stick-slip friction. Numerical simulations are built to observe the influence of the geometry and orientation. The results show that the friction force has a maximum at r=− 0.6, this value of the shape parameter indicates a transition from a clear stick-slip at r> − 0.6 to a distorted stick-slip at r> − 0.6. We find a remarkable transition of the frictional force image pattern depending on the shape of the substrate. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2015

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1140/epjb/e2014-50584-3

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