Low dimensional systems

Molecular dynamics simulation of the formation of metal nanocontacts

A. L. Klavsyuk, S. V. Kolesnikov, E. M. Smelova, A. M. Saletskii

Lomonosov Moscow State University

Abstract: The process of the formation of nanocontacts has been studied by the molecular dynamics methods for a group of metals (Cu, Rh, Pd, Ag, Pt, Au). It has been shown that the disruption forces of nanocontacts substantially depend on the orientation ((100), (110), or (111)) of the contact-surface interface. The possibility of forming linear atomic chains as a result of the disruption of nanocontacts has been analyzed for different orientations of the electrode surfaces. The possibility of forming quasi-one-dimensional nanostructures from the Co/Au alloy, which represent a periodic alternation of gold atoms and cobalt trimers, has been predicted.

Received: 15.02.2011
Accepted: 20.04.2011

 English version: Physics of the Solid State, 2011, 53:11, 2356–2360

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