Orbitally induced Peierls state in spinels

D. I. Khomskii*, T. Mizokawa

*この研究の対応する著者

研究成果: Article査読

229 被引用数 (Scopus)

抄録

We consider the superstructures, which can be formed in spinels containing on B sites the transition-metal ions with partially filled t2g levels. We show that, when such systems are close to the itinerant state (e.g., have an insulator-metal transition), there may appear in them an orbitally driven Peierls state. We explain by this mechanism the very unusual superstructures observed in CuIr2S4 (octamers) and MgTi2O4 (chiral superstructures) and suggest that a similar phenomenon should be observed in NaTiO2 and possibly in some other systems.

本文言語English
論文番号156402
ジャーナルPhysical Review Letters
94
15
DOI
出版ステータスPublished - 2005 4月 22
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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