Abstract
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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Original Russian Text © V.V. Mesilov, M.S. Udintseva, S.N. Shamin, S.V. Naumov, S.V. Telegin, B.A. Gizhevskii, V.R. Galakhov, 2017, published in Fizika Tverdogo Tela, 2017, Vol. 59, No. 4, pp. 810–815.
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Mesilov, V.V., Udintseva, M.S., Shamin, S.N. et al. Determination of charge states of cobalt ions in nanostructured GdBaCo2O5.5 cobaltites by means of X-ray absorption spectroscopy. Phys. Solid State 59, 829–834 (2017). https://doi.org/10.1134/S1063783417040151
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DOI: https://doi.org/10.1134/S1063783417040151