Intercalation of metal islands and films at the interface of epitaxially grown graphene and Ru(0001) surfaces
作者： Li Huang , Yi Pan , Lida Pan , Min Gao , Wenyan Xu
DOI: 10.1063/1.3653241
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摘要: We report on intercalation of seven kinds metals—Pt, Pd, Ni, Co, Au, In, and Ce—at the interface between an epitaxially grown graphene layer a Ru(0001) substrate. Atomic resolution scanning tunneling microscopy images perfect lattice are obtained top these intercalated metals, showing that high quality original is, in end, undisturbed by intercalation. A model based theoretical calculation is proposed for mechanism: metal atom-aided defect formation self-healing C–C bonds at temperature. These materials include noble magnetic IIIA group metal, rare earth which indicates through epitaxial universal approach metals.
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