Charge-ordered, spin-spiral state in perovskite manganites

Authors
Inoue, J Ohsawa, T Kurauchi, N
Citation
J. Inoue et al., Charge-ordered, spin-spiral state in perovskite manganites, PHYSICA B, 284, 2000, pp. 1436-1437
Citations number
7
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA B
ISSN journal
09214526 → ACNP
Volume
284
Year of publication
2000
Part
2
Pages
1436 - 1437
Database
ISI
SICI code
0921-4526(200007)284:<1436:CSSIPM>2.0.ZU;2-9
Abstract
A magnetic phase diagram of the ground state of perovskite manganites is st udied in a mean field approximation for the double-exchange model with the nearest-neighbor Coulomb repulsion and superexchange interaction between lo calized spins. It is shown that a charge-ordered spin-spiral state is stabl e at the quarter filling and that this state nearly degenerate with the ful ly polarized ferromagnetic state. (C) 2000 Elsevier Science B.V. All rights reserved.