Motion Driven by Strain Gradient Fields.
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ABSTRACT:
SUBMITTER: Wang C
PROVIDER: S-EPMC4555178 | biostudies-literature | 2015
REPOSITORIES: biostudies-literature
Publications
A new driving mechanism for direction-controlled motion of nano-scale objects is proposed, based on a model of stretching a graphene strip linked to a rigid base with linear springs of identical stiffness. We find that the potential energy difference induced by the strain gradient field in the graphene strip substrate can generate sufficient force to overcome the static and kinetic friction forces between the nano-flake and the strip substrate, resulting in the nanoscale flake motion in the dire ...[more]
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