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

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Author

  • M. Weser
  • Y. Rehder
  • K. Horn
  • M. Sicot
  • M. Fonin
  • Alexei Preobrajenski
  • E. N. Voloshina
  • E. Goering
  • Yu. S. Dedkov

Summary, in English

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 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.

Department/s

Publishing year

2010

Language

English

Publication/Series

Applied Physics Letters

Volume

96

Issue

1

Document type

Journal article

Publisher

American Institute of Physics (AIP)

Topic

  • Natural Sciences
  • Physical Sciences

Keywords

  • magnetic moments
  • dichroism
  • magnetic circular
  • interface structure
  • electronic structure
  • graphene
  • nickel
  • valence bands
  • X-ray absorption
  • spectra

Status

Published

ISBN/ISSN/Other

  • ISSN: 0003-6951