Nano-indentation of circular graphene flakes
作者： R. Ansari , S. Ajori , B. Motevalli
DOI: 10.1016/J.SPMI.2011.11.019
关键词: Nonlinear system 、 Molecular dynamics 、 Nanoindentation 、 Vibration 、 Condensed matter physics 、 Nonlinear elasticity 、 Graphene 、 Elasticity (economics) 、 Nanotechnology 、 Materials science 、 Continuum (design consultancy)
摘要: Nano-indentation of circular graphene flakes are studied by using Molecular Dynamics simulation. We show that the theory continuum elasticity based on nonlinear F\"{o}pple-Hencky equations is applicable a suspended flake. Our simulation results plenty compatible to those calculated theory. find force-displacement curves in good agreement with recent experimental measurements and conclude they temperature independent. In addition, we vibration frequency for such system monitor it behaves as sinusoidal manner at small size.
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