Joint superexchange--Jahn-Teller mechanism for A-type antiferromagnetism in $LaMnO_3$

Preprint

22 October 1997

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9710233

Abstract

We propose a mechanism for A-type antiferromagnetism in orthorombic LaMnO_3, compatible with the large Jahn-Teller splitting inferred from structural data. Orbital ordering resulting from Jahn-Teller distortions effectively leads to A-type ordering (antiferromagnetic in the c axis and ferromagnetic in the ab plane) provided the in-plane distorsion Q_2 is large enough, a condition generally fulfilled in existing data.

Keywords

TYPE ANTIFERROMAGNETISM
JOINT SUPEREXCHANGE
TELLER MECHANISM
STRUCTURAL DATA
FERROMAGNETIC
SUPEREXCHANGE
JAHN TELLER

All Related Versions

Version 1, 1997-10-22, ArXiv
Published version: Physical Review B, 57 (10), R5583.

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