Dispersion curve of PbTiO3 in tetragonal and cubic phases

Authors
Liu, P Xu, WL Lu, W
Citation
P. Liu et al., Dispersion curve of PbTiO3 in tetragonal and cubic phases, INT J INFRA, 22(3), 2001, pp. 469-476
Citations number
9
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES
ISSN journal
01959271 → ACNP
Volume
22
Issue
3
Year of publication
2001
Pages
469 - 476
Database
ISI
SICI code
0195-9271(200103)22:3<469:DCOPIT>2.0.ZU;2-B
Abstract
The dispersion curves of PbTiO3 in both tetragonal (ferroelectric) and cubi c (paraelectric) phases are calculated using the rigid-ion model with a sma ll set of parameters. The soft modes in two phases are discussed.