Soft Optic Modes in Barium Titanate
- 31 July 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 19 (5) , 234-235
- https://doi.org/10.1103/physrevlett.19.234
Abstract
Phonon dispersion relations of BaTi have been measured in the cubic phase by the inelastic neutron scattering technique. The energy of the soft mode, consistent with Cochran's theory, decreases with temperature to 0.8 meV at 230°C.
Keywords
This publication has 11 references indexed in Scilit:
- Temperature Dependence of the Soft Ferroelectric Mode in KTaPhysical Review B, 1967
- Electric-Field-Induced Raman Effect in Paraelectric CrystalsPhysical Review Letters, 1967
- Ferroelectric "Soft" Mode in KTaPhysical Review B, 1967
- X-Ray Studies of the Lattice Vibration in Tetragonal Barium TitanateJournal of the Physics Society Japan, 1967
- Temperature Dependence of the Transverse and Longitudinal Optic Mode Frequencies and Charges in SrTiand BaTiPhysical Review B, 1966
- Exchange of Silver Ions at Single Crystal/Solution InterfacesJournal of the Electrochemical Society, 1965
- Frequency and Temperature Response of the Polarization of Barium TitanatePhysical Review B, 1964
- Lattice Dynamics and Phase Transitions of Strontium TitanatePhysical Review B, 1964
- Far Infrared Dielectric Dispersion in BaTi, SrTi, and TiPhysical Review B, 1962
- Far-Infrared Ferroelectric Vibration Mode in SrTiPhysical Review B, 1962