Antiferromagnetic resonance spectrum in LaMnO3: Interrelation of the orbital structure and the magnetic properties / Gonchar' LE,Nikiforov AE,Popov SE // JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS. - 2000. - V. 91, l. 6. - P. 1221-1229.

ISSN/EISSN:

1063-7761 / нет данных

Type:

Article

Abstract:

The relation between the orbital ordering and magnetic structure of the crystal LaMnO3 is investigated. The dependence of the exchange parameters on the angle Phi of the orbital structure is determined. When the isotropic exchange interaction and the single-ion anisotropy, which depends on the angle Phi and the rotational distortions, are introduced into the spin Hamiltonian, a four-sublattice structure (A(X) , F-Y , G(Z)) is obtained with orientation of the magnetic moments of the sublattices near the long axis of the orthorhombic cell of the crystal in the basal plane of the crystal (A(X) much greater than G(Z) , F-Y). The effect of a magnetic field on the magnetic structure and the antiferromagnetic resonance spectrum are investigated taking account of the nonequivalent, anisotropic, orbitally-dependent g tensors. The spin-flop and spin-flip transition fields are calculated. (C) 2000 MAIK ``Nauka/Interperiodica{''}.

Author keywords:

NEUTRON-DIFFRACTION; SCATTERING; SPIN

DOI:

10.1134/1.1342889

Web of Science ID:

ISI:000166212800014

Соавторы в МНС:

Другие поля

Поле	Значение
Publisher	MAIK NAUKA/INTERPERIODICA/SPRINGER
Address	233 SPRING ST, NEW YORK, NY 10013-1578 USA
Language	English
Keywords-Plus	NEUTRON-DIFFRACTION; SCATTERING; SPIN
Research-Areas	Physics
Web-of-Science-Categories	Physics, Multidisciplinary
Author-Email	lyudmila.gonchar@usu.ru
ResearcherID-Numbers	Nikiforov, Anatoliy/L-4436-2016 Gonchar, Liudmila/L-6878-2016
ORCID-Numbers	Gonchar, Liudmila/0000-0002-5872-3565
Number-of-Cited-References	23
Usage-Count-Since-2013	3
Journal-ISO	J. Exp. Theor. Phys.
Doc-Delivery-Number	388ZK