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

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

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42 Citations (SciVal)

Abstract

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.
Original languageEnglish
JournalPhysical Review B (Condensed Matter and Materials Physics)
Volume72
Issue number6
DOIs
Publication statusPublished - 2005

Subject classification (UKÄ)

  • Natural Sciences
  • Physical Sciences

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