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Correlations in the electronic structure of half-metallic ferromagnetic CrO2 films: An x-ray absorption and resonant photoemission spectroscopy study

Författare:
  • Y S Dedkov
  • A S Vinogradov
  • M Fonin
  • C Konig
  • D V Vyalikh
  • Alexei Preobrajenski
  • S A Krasnikov
  • E Y Kleimenov
  • M A Nesterov
  • U Rudiger
  • S L Molodtsov
  • G Guntherodt
Publiceringsår: 2005
Språk: Engelska
Publikation/Tidskrift/Serie: Physical Review B
Volym: 72
Nummer: 6
Dokumenttyp: Artikel
Förlag: American Physical Society

Sammanfattning

The electronic structure of high-quality CrO2(100) films was investigated by means of x-ray absorption and resonant photoemission spectroscopy at the 2p-3d excitation threshold. The obtained binding energy of the occupied Cr 3d states is in agreement with the results predicted within the local spin-density approximation using the dynamical mean-field theory L. Craco , Phys. Rev. Lett. 90, 237203 (2003). The reported data support a model of CrO2 as a half-metallic ferromagnet with strong electron-correlation effects.

Disputation

Nyckelord

  • Physics and Astronomy

Övrigt

Published
Yes
  • ISSN: 1098-0121

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