Magnetic excitations in the cubic antiferromagnet ErCu
- 1 January 1978
- journal article
- Published by EDP Sciences in Journal de Physique
- Vol. 39 (7) , 793-797
- https://doi.org/10.1051/jphys:01978003907079300
Abstract
The magnetic excitations of the antiferromagnetic compound ErCu (cubic CsCl structure) have been studied by inelastic neutron scattering at 4.3 K. The data are analysed within a generalized susceptibility model, taking into account the crystal field Hamiltonian and anisotropic bilinear exchange. Interactions up to the fourth neighbours seem sufficient to describe the dispersion relations; the addition of higher order interactions or magnetoelastic terms improves the fit of the spin wave energy gapsKeywords
This publication has 6 references indexed in Scilit:
- The contribution of Gd neighbours to the Gd hyperfine field in intermetallic compoundsJournal of Magnetism and Magnetic Materials, 1977
- Studies on the electronic structure of some cubic intermetallic compounds of dysprosium following the self-consistent augmented-plane-wave methodPhysical Review B, 1975
- Spin waves in terbium. I. Two-ion magnetic anisotropyPhysical Review B, 1975
- Thermal expansion and magnetostriction in rare-earth equiatomic compounds with Cu, Ag, ZnPhysica Status Solidi (a), 1974
- Magnetic and Structural Characteristics of Lanthanide—Copper CompoundsThe Journal of Chemical Physics, 1965
- The raising of angular momentum degeneracy of f-Electron terms by cubic crystal fieldsJournal of Physics and Chemistry of Solids, 1962