Theoretical analysis of x-ray-absorption near-edge fine structure at the O and metal K edges of LaFeO3 and LaCoO3 (Articolo in rivista)

Type
Label
  • Theoretical analysis of x-ray-absorption near-edge fine structure at the O and metal K edges of LaFeO3 and LaCoO3 (Articolo in rivista) (literal)
Anno
  • 1997-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.56.2228 (literal)
Alternative label
  • Z.Y. Wu, M. Benfatto, M. Pedio, R. Cimino, S. Mobilio, S..R. Barman, K. Maiti, D.D. Sarma (1997)
    Theoretical analysis of x-ray-absorption near-edge fine structure at the O and metal K edges of LaFeO3 and LaCoO3
    in Physical review. B, Rapid communications (online); APS, American physical society, College Park, MD (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Z.Y. Wu, M. Benfatto, M. Pedio, R. Cimino, S. Mobilio, S..R. Barman, K. Maiti, D.D. Sarma (literal)
Pagina inizio
  • 2228 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 56 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Commissariat a` l'Energie Atomique, DSM/DRECAM/SRSIM, Ba^timent 462, CE Saclay, 91191 Gif-sur-Yvette Cedex, France INFN, Laboratori Nazionali di Frascati, P.O. Box 13, 00044 Frascati, Italy ISM, CNR, Via E. Fermi 38, 00044 Frascati, Italy Dipartimento di Fisica, ''E. Amaldi'' Universita` di Roma Tre, Via della Vasca Navale 84, 00146 Roma, Italy Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560 012, India (literal)
Titolo
  • Theoretical analysis of x-ray-absorption near-edge fine structure at the O and metal K edges of LaFeO3 and LaCoO3 (literal)
Abstract
  • We present experimental x-ray-absorption spectra at the oxygen and 3d transition-metal K edges of LaFeO3 and LaCoO3. We interpret the experimental results in terms of detailed theoretical calculations based on multiple-scattering theory. Along with providing an understanding of the origin of various experimental features, we investigate the effects of structural distortions and the core-hole potential in determining the experimental spectral shape. The results indicate that the core-hole potential as well as many-body effects within the valence electrons do not have any strong effect on the spectra suggesting that the spectral features can be directly interpreted in terms of the electronic structure of such compounds. (literal)
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