Joint superexchange -: Jahn-Teller mechanism for layered antiferromagnetism in LaMnO3

被引：61
|
作者：
Feinberg, D
Germain, P
Grilli, M
Seibold, G
机构：
[1] CNRS, Etud Proprietes Elect Solides Lab, F-38042 Grenoble 9, France
[2] Univ Roma La Sapienza, Ist Fis Mat, I-00185 Rome, Italy
[3] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
来源：
PHYSICAL REVIEW B | 1998年 / 57卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.57.R5583
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We propose a mechanism for A-type antiferromagnetism in orthorhombic LaMnO3, compatible with the large Jahn-Teller splitting inferred from structural data. Orbital ordering resulting from Jahn-Teller distortions effectively leads to layered ordering (antiferromagnetic in the c axis and ferromagnetic in the ab plane) provided the in-plane distortion Q(2) is large enough, a condition generally fulfilled in existing data.
引用
收藏
页码：R5583 / R5586
页数：4
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