Dear all, After scf runs for different strains along zigzag and armchair directions I found stress tensor for monolayer and bilayer graphene. I know slop of stress-strain curve is young modulus. element11 of stress in terms of strain along a1 direction gives one of Y modulus and element22 gives other one. Is it needed any rescaling to find Y modulus for bilayer of graphene? M. Pashangpour PhD. of physics, IIAU, Tehran, Iran.
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