Physics of the Solid State

, Volume 59, Issue 4, pp 829–834 | Cite as

Determination of charge states of cobalt ions in nanostructured GdBaCo2O5.5 cobaltites by means of X-ray absorption spectroscopy

  • V. V. Mesilov
  • M. S. Udintseva
  • S. N. Shamin
  • S. V. Naumov
  • S. V. Telegin
  • B. A. Gizhevskii
  • V. R. Galakhov
Atomic Clusters


X-ray absorption spectroscopy has been applied for a characterization of charge states of cobalt ions of nanostructured GdBaCo2O5.5 complex oxides. The analysis of experimental and theoretical data has allowed establishing a reduction in the oxidation degree from Co3+ to Co2+ for a part of cobalt ions in GdBaCo2O5.5 nanoceramics obtained by torsion under pressure.


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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • V. V. Mesilov
    • 1
  • M. S. Udintseva
    • 2
  • S. N. Shamin
    • 1
  • S. V. Naumov
    • 1
  • S. V. Telegin
    • 1
  • B. A. Gizhevskii
    • 1
  • V. R. Galakhov
    • 1
  1. 1.Miheev Institute of Metal Physics, Ural BranchRussian Academy of SciencesYekaterinburgRussia
  2. 2.Ural State University of Railway TransportYekaterinburgRussia

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