paper

Interplay between orbital ordering and lattice distortions in LaMnO3, YVO3, and YTiO3

arXiv:cond-mat/9906010 · doi:10.1103/PhysRevB.60.7309

Abstract

We have studied the interplay between orbital ordering, Jahn-Teller and GdFeO3-type lattice distortions in perovskite-type transition-metal oxides using model Hartree-Fock calculations. It has been found that the covalency between A-site cations and oxygens causes interaction between the Jahn-Teller and GdFeO3-type distortions. The present calculations explain why the d-type Jahn-Teller distortion and orbital ordering compatible with it are realized in LaMnO3, YVO3 and YTiO3

5 pages, 8 figures

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