Specific features of spin, charge, and orbital ordering in cobaltites


Тип публикации: статья из журнала

Год издания: 2009

Идентификатор DOI: 10.3367/UFNe.0179.200908b.0837

Ключевые слова: Cobalt oxides, Lanthanides, Orbital degrees of freedom, Orbital ordering, Quasi-one-dimensional, Spin state, Superconducting compounds, Theoretical result, Calcium, Cobalt, Lanthanum, Oxide minerals, Perovskite, Spin dynamics, Superconductivity, Cobalt compounds

Аннотация: Complex cobalt oxides known as cobaltites are reviewed, including LnCoO(3)-based perovskite-structured rare-earth cobaltites (where Ln is lanthanum or a lanthanide), quasi-two-dimensional and quasi-one-dimensional cobaltites of the types LnCo(2)O(5+delta), La2CoO4, and Ca3Co2O8, and NaxCoO2 center dot yH(2)O superconducting compounПоказать полностьюds. Key experimental and theoretical results are presented, with emphasis on the interplay between charge, spin, and orbital degrees of freedom. Two problems of specific relevance to cobaltites - the spin state instability of Co3+ ions in LnCoO(3), and the nature of superconductivity in NaxCoO2 center dot yH(2)O - are also given significant attention.

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Выпуск журнала: Vol. 52, Is. 8

Номера страниц: 789-810

ISSN журнала: 10637869

Место издания: BRISTOL



  • Ivanova N.B. (Siberian Federal University)
  • Ovchinnikov S.G. (Kirensky Institute of Physics,Siberian Branch,Russian Academy of Sciences)
  • Kazak N.V. (Kirensky Institute of Physics,Siberian Branch,Russian Academy of Sciences)
  • Korshunov M.M. (Max-Planck-Institut FuE R Physik Komplexer Systeme)
  • Eremin I.M. (Kazan State University)

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