Physics – Condensed Matter – Materials Science
Scientific paper
2009-03-30
Physics
Condensed Matter
Materials Science
4 pages, 4 figures, High quality figures can be requested to the authors
Scientific paper
10.1016/j.spmi.2011.11.019
Nano-indentation of circular graphene flakes are studied by using Molecular Dynamics simulation. We show that the theory of continuum elasticity based on nonlinear F\"{o}pple-Hencky equations is applicable on a circular suspended graphene flake. Our simulation results are plenty compatible to those results calculated by the nonlinear elasticity theory. We find the force-displacement curves in good agreement with the recent experimental measurements and conclude they are temperature independent. In addition, we find the vibration frequency for such a system and monitor that it behaves as a sinusoidal manner at small circular graphene size.
Asgari Reza
Neek-Amal Mehdi
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