Origin of octahedral tilting in orthorhombic perovskites

B. Magyari-Köpe, L. Vitos, B. Johansson, J. Kollár

Research output: Contribution to journalArticle

3 Citations (Scopus)


The adopted crystal structure of the (formula presnted) perovskites is determined by the balance between the interaction of the semicore states of the A and B atoms and oxygen ions. Topological considerations show that the structural setup always stabilizes the cubic phase at large pressures, while small or negative pressures favor nonvanishing octahedral tiltings. As an example, we show that the structural distortion in (formula presnted) perovskite is slightly depressed with hydrostatic pressure, but it increases significantly with increasing volume.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number9
Publication statusPublished - Jan 1 2002

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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