Competing orbital ordering in RVO(3) compounds: High-resolution x-ray diffraction and thermal expansion

M. H. Sage*, G. R. Blake, C. Marquina, T. T. M. Palstra

*Corresponding author for this work

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Abstract

We report evidence for the phase coexistence of orbital orderings of different symmetry in RVO(3) compounds with intermediate-size rare earths. Through a study by high-resolution x-ray powder diffraction and thermal expansion, we show that the competing orbital orderings are associated with the magnitude of the VO(6) octahedral tilting and magnetic exchange striction in these compounds and that the phase-separated state is stabilized by lattice strains.

Original languageEnglish
Article number195102
Number of pages9
JournalPhysical Review. B: Condensed Matter and Materials Physics
Volume76
Issue number19
DOIs
Publication statusPublished - Nov-2007

Keywords

  • PHASE-SEPARATION
  • SINGLE-CRYSTAL
  • YVO3
  • TRANSITION
  • MANGANITES
  • SCATTERING
  • LAMNO3

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