Electronic and magnetic states in doped LaCoO_3

K. Tsutsui; J. Inoue; S. Maekawa

doi:10.1103/PhysRevB.59.4549

Electronic and magnetic states in doped LaCoO_3

Strongly Correlated Electrons 2009-10-31 v1

Authors: K. Tsutsui , J. Inoue , S. Maekawa

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Abstract

The electronic and magnetic states in doped perovskite cobaltites, (La, Sr)CoO_3, are studied in the numerically exact diagonalization method on Co_2O_{11} clusters. For realistic parameter values, it is shown that a high spin state and an intermediate spin state coexist in one-hole doped clusters due to strong p-d mixing. The magnetic states in the doped cobaltites obtained in the calculation explain various experimental results.

Keywords

doped LaCoO3 perovskite cobaltites exact diagonalization high spin state intermediate spin state p-d mixing

Cite

@article{arxiv.cond-mat/9809099,
  title  = {Electronic and magnetic states in doped LaCoO_3},
  author = {K. Tsutsui and J. Inoue and S. Maekawa},
  journal= {arXiv preprint arXiv:cond-mat/9809099},
  year   = {2009}
}

Comments

4 pages, 2 figures, epsfj.sty

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