Transition between orbital orderings in YVO3

Graeme R. Blake, TTM Palstra, Y Ren, A.A. Nugroho, A.A. Menovsky

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Abstract

Evidence has been found for a change in the ordered occupation of the vanadium d orbitals at the 77 K phase transition in YVO3 , manifested by a change in the type of Jahn-Teller distortion. The orbital ordering above 77 K is not destroyed at the magnetic ordering temperature of 116 K, but is present as far as a second structural phase transition at 200 K. The transition between orbital orderings is caused by an increase in octahedral tilting with decreasing temperature.

Original languageEnglish
Article number245501
JournalPhysical review letters
Volume87
Issue number24
DOIs
Publication statusPublished - 10 Dec 2001
Externally publishedYes

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