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Опубликовано 2012-12-01 Опубликовано на SciPeople2013-05-18 01:01:45 ЖурналJournal of Electron Spectroscopy and Related Phenomena


Valence states of iron ions in nanostructured yttrium iron garnet Y3Fe5O12 studied by means of soft X-ray absorption spectroscopy
V. V. Mesilov, V. R. Galakhov, B. A. Gizhevskii, N. I. Lobachevskaya, M. Raekers, C. Taubitz, A. R. Cioroianu, M. Neumann / Виталий Месилов
Journal of Electron Spectroscopy and Related Phenomena - 2012 - 185 (12) - 598-601.
Аннотация Nanostructured samples of yttrium iron garnet Y3Fe5O12 obtained by plastic deformation method (high-pressure torsion) were studied with help of soft X-ray absorption spectroscopy using Fe 2p and O 1s spectra. Experimental spectra were compared with crystal field multiplet calculations for Fe ions. Some amount of Fe2+ ions in nanostructured Y3Fe5O12 was found. The concentration of Fe2+ ions was found to be increased with the increase of the degree of plastic deformation.

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