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


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Аннотация

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.

Авторлар туралы

V. Mesilov

Miheev Institute of Metal Physics, Ural Branch

Хат алмасуға жауапты Автор.
Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

M. Udintseva

Ural State University of Railway Transport

Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

S. Shamin

Miheev Institute of Metal Physics, Ural Branch

Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

S. Naumov

Miheev Institute of Metal Physics, Ural Branch

Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

S. Telegin

Miheev Institute of Metal Physics, Ural Branch

Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

B. Gizhevskii

Miheev Institute of Metal Physics, Ural Branch

Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

V. Galakhov

Miheev Institute of Metal Physics, Ural Branch

Email: mesilov@imp.uran.ru
Ресей, Yekaterinburg

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