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JETP Letters

, Volume 104, Issue 4, pp 269–274 | Cite as

Genesis of the electronic spectrum and magnetic properties of a high-temperature phase of nonstoichiometric strontium ferrite SrFeO3–δ (0 ≤ δ ≤ 0.5)

  • V. M. ZainullinaEmail author
  • M. A. Korotin
  • V. L. Kozhevnikov
Condensed Matter

Abstract

The genesis of the electronic spectrum and magnetic properties of a high-temperature cubic phase of SrFeO3–δ with the disordered distribution of oxygen vacancies under the variation of their concentration has been studied in the coherent-potential approximation within the LDA + U formalism. Experimental tendencies of the fundamental electron-energy and magnetic characteristics in SrFeO3–δ under the variation of oxygen nonstoichiometry within the homogeneity region, 0 ≤ δ ≤ 0.5, have been described.

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Copyright information

© Pleiades Publishing, Inc. 2016

Authors and Affiliations

  • V. M. Zainullina
    • 1
    Email author
  • M. A. Korotin
    • 2
  • V. L. Kozhevnikov
    • 1
  1. 1.Institute of Solid State Chemistry, Ural BranchRussian Academy of SciencesYekaterinburgRussia
  2. 2.Mikheev Institute of Metal Physics, Ural BranchRussian Academy of SciencesYekaterinburgRussia

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