The effects of stoichiometric changes in LaMnO 3

A. G. Rudskaya; S. V. Chagovetss; E. V. Ananyeva; M. F. Kupriyanov

doi:10.3103/S1062873816060289

The effects of stoichiometric changes in LaMnO₃

Authors: Rudskaya A.G.¹, Chagovetss S.V.¹, Ananyeva E.V.¹, Kupriyanov M.F.¹
Affiliations:
1. Faculty of Physics
Issue: Vol 80, No 6 (2016)
Pages: 736-737
Section: 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/184603
DOI: https://doi.org/10.3103/S1062873816060289
ID: 184603

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Abstract

The preparation of LaMnO₃ from various precursors via a solid-state reaction combined with codeposition and sorption is found to form perovskite phases with different stoichiometric deviations, depending on the temperature of synthesis. This favors the coexistence of orthorhombic (in solid-phase synthesis) and rhombohedral (in wet synthesis) phases at room temperature.