Electronic structure of the high-temperature cubic phase of SrFeO2.5

The electronic structure and magnetic properties of the high-temperature cubic phase of strontium ferrite SrFeO 2.5 with the disordered location of oxygen vacancies have been calculated using the coherent potential method. The semiconductor character of the electronic spectrum of SrFeO 2.5 is observ...

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Bibliographic Details
Published in:JETP letters 2015-09, Vol.102 (5), p.307-311
Main Authors: Korotin, M. A., Zainullina, V. M., Kozhevnikov, V. L.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Condensed Matter
Molecular
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
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Summary:The electronic structure and magnetic properties of the high-temperature cubic phase of strontium ferrite SrFeO 2.5 with the disordered location of oxygen vacancies have been calculated using the coherent potential method. The semiconductor character of the electronic spectrum of SrFeO 2.5 is observed only at certain types of disordering of vacancies over the oxygen sublattice, which makes it possible to choose among structural models of the high-temperature phase proposed on the basis of experiments.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364015170063