The CASTEP module was used to calculate the stability of graphene on nickel atom adsorption.Meanwhile,the lattice constant,band width,formation energy,state density,elastic constant and other properties of metallic nickel,graphene and graphene-reinforced nickel matrix composites were studied.In the model of graphene adsorbing nickel atoms,the adsorption heights are H＜T＜B position,the adsorption energy is H＞T＞B position,the adsorption height is negatively correlated with the adsorp-tion energy.The elastic constant of doped graphene C11 increased from 507.16GPa to 653.12GPa,but the structure was unstable under the doped condition.The results gave theoretical research basis and ref-erence for the application of graphene composites.
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