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Optimized structures for the cases of single iron adatom on (a) pristine graphene, (b) graphene with monovacancy, and (c) bivacancy.
Optimized structures for the cases of (a) cobalt dimer, (b) gold and (c) iron tetrahedra on graphene with bivacancy.
Formation energies per removed carbon atom for monovacancy (solid red line) and bivacancy (dashed blue line) in the presence of different adatoms on graphene.
Spin polarized densities of states (up-majority, down-minority spins) for orbitals of single adatoms on pristine graphene and graphene with vacancies (see Fig. 1).
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