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Dr. Sergey V. Ovsyannikov, Prof. Artem M. Abakumov, Dr. Alexander A. Tsirlin, Dr. Walter Schnelle, Dr. Ricardo Egoavil, Prof. Jo Verbeeck, Prof. Gustaaf Van Tendeloo, Dr. Konstantin V. Glazyrin, Dr. Michael Hanfland and Prof. Dr. Leonid Dubrovinsky Perovskite-like Mn2O3: A Path to New Manganites Angewandte Chemie International Edition 52

Version of Record online: 20 DEC 2012 | DOI: 10.1002/anie.201208553

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Phases of the Mn2O3: Two new phases of Mn2O3—corundum-type ε-Mn2O3 and perovskite-type ζ-Mn2O3—were obtained by high-pressure high-temperature synthesis. Manganese atoms were found to completely occupy the A- and B-positions of perovskite simultaneously. The perovskite-type ζ-Mn2O3 has an A-site-ordered perovskite structure (see picture) containing Mn in three different oxidation states (+II, +III, and +IV).

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