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Author: Berdunov, Nikolai × Publisher: [London] : Macmillan Publishers Limited, part of Springer Nature ×

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    Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
    ([London] : Macmillan Publishers Limited, part of Springer Nature, 2016) Voloshina, Elena; Berdunov, Nikolai; Dedkov, Yuriy
    Realization of a free-standing graphene is always a demanding task. Here we use scanning probe microscopy and spectroscopy to study the crystallographic structure and electronic properties of the uniform nearly free-standing graphene layers obtained by intercalation of oxygen monolayer in the “strongly” bonded graphene/Ru(0001) interface. Spectroscopic data show that such graphene layer is heavily p-doped with the Dirac point located at 552 meV above the Fermi level. Experimental data are understood within density-functional theory approach and the observed effects are in good agreement with the theoretical data.