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Phase Equilibria in the Eu–Mn–O System

  • PHYSICOCHEMICAL ANALYSIS OF INORGANIC SYSTEMS
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Abstract

Phase equilibria in the Eu–Mn–O system were studied by X-ray powder diffraction in samples mechanically preactivated and prepared under an oxygen pressure \({{P}_{{{{{\text{O}}}_{{\text{2}}}}}}}\) of 10–5–102 kPa and in those prepared under a reductive atmosphere at a partial hydrogen pressure \({{P}_{{{{{\text{H}}}_{{\text{2}}}}}}}\) of about 5 kPa. \({{P}_{{{{{\text{O}}}_{{\text{2}}}}}}}\)–T and x–y projections of the P–T–x–y diagram of the Eu–Mn–O system and selected x–y isotherms of the Eu2O3–MnO–MnO2 quasiternary system were plotted.

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ACKNOWLEDGMENTS

Analytical research was done using equipment of NRC “Kurchatov Institute”—IREA Shared Knowledge Center under project’s financial support by the Russian Federation, represented by the Ministry of Science and Higher Education of the Russian Federation, Agreement No. 075-11-2021-070 dd. 19.08.2021.

Funding

The work was fulfilled in the frame of the State Assignment to the Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences in the field of fundamental research.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

    G. A. Buzanov & G. D. Nipan

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  1. G. A. Buzanov
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  2. G. D. Nipan
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Correspondence to G. A. Buzanov.

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Translated by O. Fedorova

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Buzanov, G.A., Nipan, G.D. Phase Equilibria in the Eu–Mn–O System. Russ. J. Inorg. Chem. 67, 1035–1040 (2022). https://doi.org/10.1134/S0036023622070051

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