NEUTRON-SCATTERING AND DIFFUSIVE X-RAY-DIFFRACTION IN ACOUSTIC MODES IN ND2CUO4

Authors
FIL DV ZAZUNOV AL
Citation
Dv. Fil et Al. Zazunov, NEUTRON-SCATTERING AND DIFFUSIVE X-RAY-DIFFRACTION IN ACOUSTIC MODES IN ND2CUO4, Low temperature physics, 23(8), 1997, pp. 665-669
Citations number
10
Categorie Soggetti
Physics, Applied
Journal title
Low temperature physics → ACNP
ISSN journal
1063777X
Volume
23
Issue
8
Year of publication
1997
Pages
665 - 669
Database
ISI
SICI code
1063-777X(1997)23:8<665:NADXIA>2.0.ZU;2-K
Abstract
The differential cross section of thermal neutron scattering and x-ray scattering by acoustic excitations are calculated in the framework of an anisotropic elastic medium model with an additional two-dimensiona l acoustic-type mode which interacts with elastic deformation. This mo del was proposed earlier for describing the anomalous behavior of soun d velocities in Nd2CuO4. The influence of plane mode on the angular de pendence of neutron scattering and on the shape of diffusive spot in x -ray diffraction pattern is studied. (C) 1997 American Institute of Ph ysics.