Determining the valence state of manganese ions in complex oxides La 1– x  Ca  x  MnO 3  ( x  = 0.5, 0.7, 0.85, and 0.9) based on Mn2 p  and Mn3 s  X-ray photoelectron spectra

K. A. Googlev; A. T. Kozakov; A. G. Kochur; A. V. Nikolskii; V. I. Torgashev; A. A. Zvolenskaya

doi:10.3103/S1062873816060125

Determining the valence state of manganese ions in complex oxides La_1–xCa_xMnO₃ (x = 0.5, 0.7, 0.85, and 0.9) based on Mn2p and Mn3s X-ray photoelectron spectra

Авторы: Googlev K.A.¹, Kozakov A.T.¹, Kochur A.G.², Nikolskii A.V.¹, Torgashev V.I.³, Zvolenskaya A.A.³
Учреждения:
1. Research Institute of Physics
2. Rostov State Transport University
3. Faculty of Physics
Выпуск: Том 80, № 6 (2016)
Страницы: 638-640
Раздел: Proceedings of the Interdisciplinary Symposium “Ordering in Minerals and Alloys” OMA-18 and Proceedings of the International Interdisciplinary Symposium “Order, Disorder, and Properties of Oxides” ODPO-18
URL: https://journals.rcsi.science/1062-8738/article/view/184450
DOI: https://doi.org/10.3103/S1062873816060125
ID: 184450

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Аннотация

The valence state of manganese ions in complex oxides La_1–xCa_xMnO₃ (x = 0.5, 0.7, 0.85, and 0.9) is studied on the basis of Mn2p and Mn3s X-ray photoelectron spectra. It is shown that manganese ions have the valence of Mn³⁺ and Mn⁴⁺ in the studied compounds. The relative Mn³⁺/Mn⁴⁺ content is determined.