Molecular dynamics simulation of graphene on Cu (111) with different Lennard-Jones parameters Alexander V. Sidorenkov, Sergey V. Kolesnikov and Alexander M. Saletsky Eur. Phys. J. B, 89 10 (2016) 220 Published online: 10 October 2016 DOI: 10.1140/epjb/e2016-70278-0