Perovskite-like Mn2O3: A path to new manganites

Sergey V. Ovsyannikov, Artem M. Abakumov, Alexander A. Tsirlin, Walter Schnelle, Ricardo Egoavil, Jo Verbeeck, Gustaaf Van Tendeloo, Konstantin V. Glazyrin, Michael Hanfland, Leonid Dubrovinsky

Research output: Contribution to journalArticlepeer-review

81 Citations (Scopus)

Abstract

Phases of the Mn2O3: Two new phases of Mn 2O3 - 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).

Original languageEnglish
Pages (from-to)1494-1498
Number of pages5
JournalAngewandte Chemie - International Edition
Volume52
Issue number5
DOIs
Publication statusPublished - 28 Jan 2013
Externally publishedYes

Keywords

  • high-pressure chemistry
  • magnetic properties
  • MnO
  • perovskite phases
  • solid-state structures

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