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

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

2009-07-24

arxiv.org/abs/0907.4344v2

Appl. Phys. Lett. 96, 012504 (2010)

Physics

Condensed Matter

Materials Science

10 pages, 3 figures

Scientific paper

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

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