Electronic and magnetic states in doped LaCoO3

被引：21
|
作者：
Tsutsui, K [2 ]
Inoue, J
Maekawa, S
机构：
[1] Nagoya Univ, Dept Appl Phys, Nagoya, Aichi 4648603, Japan
[2] Tohoku Univ, Mat Res Inst, Sendai, Miyagi 9808577, Japan
来源：
PHYSICAL REVIEW B | 1999年 / 59卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.59.4549
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electronic and magnetic states in doped perovskite cobaltites, (La,Sr)CoO3, are studied in the numerically exact diagonalization method on Co2O11 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. [S0163-1829(99)06007-5].
引用
收藏
页码：4549 / 4552
页数：4
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