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Ultimate strength, ripples, sound velocities, and density of phonon states of strained grapheme

Dmitriev, Sergey V; Baimova, Julia A; Savin, Alexander V; Kivshar, Yuri


We study the dispersion characteristics of strained graphene using many-body interatomic potentials and find: (i) borders of the structural stability of a flat graphene in the three-dimensional space of the strain components ( xx, yy, xy); (ii) sound velocities of strained graphene; and (iii) phonon density of states (DOS) of strained graphene. The border of structural stability of flat graphene is also presented in the space of components of normal and shear membrane forces (T x, T y, T xy)....[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Computational Materials Science
DOI: 10.1016/j.commatsci.2011.08.019


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