Orbital polarization in LiVO2 and NaTiO2

S. Yu Ezhov, V. I. Anisimov, H. F. Pen, D. I. Khomskii, G. A. Sawatzky

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

We present a band structure study of orbital polarization and ordering in the two-dimensional triangular-lattice transition metal compounds LiVO2 and NaTiO2. It is found that while in NaTiO2 the degeneracy of t2g orbitals is lifted due to the trigonal symmetry of the crystal and the strong on-site Coulomb interaction, in LiVO2 orbital degeneracy remains and orbital ordering corresponding to the trimerization of the two-dimensional lattice develops.

Original languageEnglish
Pages (from-to)491-497
Number of pages7
JournalEurophysics Letters
Volume44
Issue number4
DOIs
Publication statusPublished - 15 Nov 1998
Externally publishedYes

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