Induced magnetism of carbon atoms at the graphene/Ni(111) interface

M. Weser,Y. Rehder,K. Horn,M. Sicot,M. Fonin,A. Preobrajenski,E. Voloshina,E. Goering,Y. Dedkov

Published 2009 in Applied Physics Letters

ABSTRACT

We report an element-specific investigation of electronic and magnetic properties of the graphene/Ni(111) system. Using x-ray magnetic circular dichroism, the occurrence of an induced magnetism of the carbon atoms in the graphene layer is observed. We attribute this magnetic moment to the strong hybridization between C π and Ni 3d valence band states. The net magnetic moment of carbon in the graphene layer is estimated to be in the range of 0.05–0.1 μB per atom.

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