Hetero-epitaxial-double-atomic-layer system of monolayer graphene/monolayer h-BN on Ni(111)

C. Oshima, A. Itoh, E. Rokuta, T. Tanaka, K. Yamashita, T. Sakurai

    Research output: Contribution to journalArticlepeer-review

    63 Citations (Scopus)

    Abstract

    A double-atomic-layer system of monolayer graphene/monolayer h-BN has been prepared in an epitaxial manner on Ni(111) surface. The graphene overlayer formation changes drastically the pristine interface between the h-BN layer and Ni(111). As a result, a peculiar property of the pristine monolayer h-BN on Ni(111) changes to a bulk-like one. The π-d orbital hybridization at the interface disappears. Accordingly, a metallic character of monolayer h-BN disappears and softening TO phonons return to the normal one. The reduced lattice constant of h-BN presumably returns to the bulk one. The same phenomenon occurs by surface contaminations instead of monolayer graphene formation.

    Original languageEnglish
    Pages (from-to)37-40
    Number of pages4
    JournalSolid State Communications
    Volume116
    Issue number1
    DOIs
    Publication statusPublished - 2000 Aug 22

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Materials Chemistry

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