Abstract
The valence state of manganese ions in complex oxides La1–x Ca x MnO3 (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.
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Original Russian Text © K.A. Googlev, A.T. Kozakov, A.G. Kochur, A.V. Nikolskii, V.I. Torgashev, A.A. Zvolenskaya, 2016, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2016, Vol. 80, No. 6, pp. 705–707.
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Googlev, K.A., Kozakov, A.T., Kochur, A.G. et al. Determining the valence state of manganese ions in complex oxides La1–x Ca x MnO3 (x = 0.5, 0.7, 0.85, and 0.9) based on Mn2p and Mn3s X-ray photoelectron spectra. Bull. Russ. Acad. Sci. Phys. 80, 638–640 (2016). https://doi.org/10.3103/S1062873816060125
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DOI: https://doi.org/10.3103/S1062873816060125