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

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.

Vinogradov, A S (author)
Fonin, M (author)
Konig, C (author)
Vyalikh, D V (author)
Preobrajenski, AlexeiLund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory(Swepub:lu)maxl-apr (author)
Krasnikov, S A (author)
Kleimenov, E Y (author)
Nesterov, M A (author)
Rudiger, U (author)
Molodtsov, S L (author)
Guntherodt, G (author)
Lunds universitetMAX IV-laboratoriet (creator_code:org_t)

By the author/editor: Dedkov, Y S; Vinogradov, A S; Fonin, M; Konig, C; Vyalikh, D V; Preobrajenski, A ...; show more...; Krasnikov, S A; Kleimenov, E Y; Nesterov, M A; Rudiger, U; Molodtsov, S L; Guntherodt, G; show less...

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