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Stable path to ferromagnetic hydrogenated graphene growth

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    0485777 - FZÚ 2018 RIV US eng J - Journal Article
    Hemmatiyan, S. - Polini, M. - Abanov, A. - MacDonald, A. H. - Sinova, Jairo
    Stable path to ferromagnetic hydrogenated graphene growth.
    Physical Review. B. Roč. 90, č. 3 (2014), s. 1-7, č. článku 035433. ISSN 1098-0121
    Institutional support: RVO:68378271
    Keywords : hexagonal boron-nitride * graphone
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    Impact factor: 3.736, year: 2014

    In this paper, we propose a practical way to stabilize half-hydrogenated graphene (graphone). We show that the dipole moments induced by a hexagonal-boron nitride (h-BN) substrate on graphene stabilize the hydrogen atoms on one sublattice of the graphene layer and suppress the migration of the adsorbed hydrogen atoms. Based upon first principle spin polarized density of states calculations, we show that the graphone obtained in different graphene/h-BN heterostructures exhibits a half metallic state. We propose to use this exotic material for spin valve systems and other spintronics devices.

    Permanent Link: http://hdl.handle.net/11104/0280720

     
     
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