LOW-TEMPERATURE MAGNETIC EXCITATIONS IN ND2CUO4 SINGLE-CRYSTALS STUDIED BY NEUTRON-SCATTERING

Authors
CASALTA H BOURGES P PETITGRAND D IVANOV A
Citation
H. Casalta et al., LOW-TEMPERATURE MAGNETIC EXCITATIONS IN ND2CUO4 SINGLE-CRYSTALS STUDIED BY NEUTRON-SCATTERING, Solid state communications, 100(10), 1996, pp. 683-686
Citations number
15
Categorie Soggetti
Physics, Condensed Matter
Journal title
Solid state communications → ACNP
ISSN journal
00381098
Volume
100
Issue
10
Year of publication
1996
Pages
683 - 686
Database
ISI
SICI code
0038-1098(1996)100:10<683:LMEINS>2.0.ZU;2-C
Abstract
We present inelastic neutron scattering measurements of the low temper ature magnetic excitations associated with Nd ordering in single cryst alline Nd2CuO4. At T=1.5 K, four distinct, weakly dispersive, low lyin g modes around 0.05, 0.09, 0.14, and 0.20 THz are observed. The implic ations of these measurements on a recently proposed RPA calculation ar e discussed. Copyright (C) 1996 Published by Elsevier Science Ltd