Structural properties of KBr: Elastic behaviour and pressure effects

Authors
Singh, S Singh, RK Singh, BP Singhal, SK Chopra, R
Citation
S. Singh et al., Structural properties of KBr: Elastic behaviour and pressure effects, PHYS ST S-A, 180(2), 2000, pp. 459-466
Citations number
25
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH
ISSN journal
00318965 → ACNP
Volume
180
Issue
2
Year of publication
2000
Pages
459 - 466
Database
ISI
SICI code
0031-8965(20000816)180:2<459:SPOKEB>2.0.ZU;2-M
Abstract
We have studied the pressure induced B1-B2 transition and the elastic behav iour of KBr using three-body potential model. It is found that the inclusio n of the three-body forces in the potential model yields more reasonable va lues of phase transition pressure, second-order elastic constants and bulk modulus than those obtained by others (wherever available). Results of high -pressure experiments carried out on KBr for volume transitions are also re ported in this paper in order to verify theoretical studies.