Physics of the Solid State
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Crystal structure, valence state of cations and elemental composition of manganite Pr1-xBixMnO3+σ according to X-ray diffraction and X-ray photoelectron spectroscopy
Googlev K. A.1, Kozakov A. T. 2, Kochur А. G.1, Nikolskiy A. V.2, Rudskaya A. G.3
1Rostov State University for Railway Transportation, Rostov-on-Don, Russia
2Scientific Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
3Southern Federal University, Rostov-on-Don, Russia
Email: googlev@rambler.ru, kozakov_a@mail.ru, agk@rgups.ru, atkozakov@sfedu.ru, agrudskaya@sfedu.ru

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According to X-ray photoelectron spectroscopy, the ratio of the fractions of trivalent and tetravalent manganese, Mn3+/Mn4+, in ceramic manganite Pr1-xBixMnO3+σ was determined. The profiles of the X-ray photoelectron Pr4d- and Mn2p-spectra were calculated in the isolated ion approximation considering multiplet splitting in the final state of photoionization, and good agreement with the experiment was achieved. Keywords: manganite, X-ray photoelectron spectroscopy, valence state, multiplet splitting, X-ray diffraction.
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