Journal
PHYSICAL REVIEW B
Volume 75, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.75.045303
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We investigated the properties of stability and plasticity of silicon nanowires using molecular dynamics simulations. We considered nanowires with < 100 >, < 110 >, and < 112 > growth directions with several diameters and surface facet configurations. We found that the wire perimeter, and not the wire diameter, is the meaningful dimensional parameter. As a result, the surface facets play a central role on the nanowire energy, that follows a universal scaling law. Additionally, we have computed the response of a silicon nanowire to external load. The results were compared to available experimental and ab initio data.
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