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Resonant photoemission study of La1-xSrxMnO3 single crystals

Författare:
  • L. L. Lev
  • M. B. Tsetlin
  • M. Leandersson
  • H Nylen
  • Ingolf Lindau
  • M. N. Mikheeva
  • A. M. Balbashev
Publiceringsår: 2005
Språk: Engelska
Sidor: 654-657
Publikation/Tidskrift/Serie: Physica Scripta
Volym: T115
Dokumenttyp: Artikel
Förlag: IOP Publishing

Sammanfattning

A feature at a binding energy of similar to 2.5eV which has not previously been discussed in the literature is observed in the photoemission spectra of the valence band of La1-xSrxMnO3 single crystals. To reveal the origin of this feature measurements of resonant photoemission on La1-xSrxMnO3 were performed as well as absorption spectra at the La N and Mn L-2,L-3 edges at liquid nitrogen and room temperatures. Only for Mn L edge we observed a clear resonance for a binding energy corresponding to the feature of interest. Comparison with the calculated density of states led to the conclusion that the feature corresponds to Mn t(2g) states.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

Published
Yes
  • ISSN: 0031-8949

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