Tailoring graphene with metals on top

B. Uchoa*, Chiung-Yuan Lin, A. H. Castro Neto

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    118 Scopus citations


    We study the effects of metallic doping on the electronic properties of graphene using density functional theory in the local density approximation in the presence of a local charging energy. The electronic properties are sensitive to whether graphene is doped with alkali or transition metals. We estimate the charge transfer from a single layer of potassium on top of graphene in terms of the local charging energy of the graphene sheet. The coating of graphene with a nonmagnetic layer of palladium, on the other hand, can lead to a magnetic instability in coated graphene due to the hybridization between the transition metal and the carbon orbitals.

    Original languageEnglish
    Article number035420
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Issue number3
    StatePublished - 17 Jan 2008


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