Analytic expression for the appearance of the Slater mode in ferroelectric perovskites

An analytic expression for the appearance of the Slater mode in ferroelectric perovskites has been proposed through the application of a configuration-interaction problem discussed by Zaanen and Sawatzky. In ferroelectric perovskite oxides ABO 3, the appearance of the Slater mode is found to be clos...

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Bibliographic Details
Published in:Solid state communications 2003-05, Vol.126 (8), p.453-456
Main Author: Miura, Kaoru
Format: Article
Language:English
Subjects:
A. Ferroelectrics
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D. Configuration interaction
D. Phase transitions
Dielectric, piezoelectric, ferroelectric and antiferroelectric materials
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Ferroelectricity and antiferroelectricity
Niobates, titanates, tantalates, pzt ceramics, etc
Phase transitions and curie point
Physics
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Summary:An analytic expression for the appearance of the Slater mode in ferroelectric perovskites has been proposed through the application of a configuration-interaction problem discussed by Zaanen and Sawatzky. In ferroelectric perovskite oxides ABO 3, the appearance of the Slater mode is found to be closely related to the p–d hybridization between B and O as well as the p–d energy gap and on-site Coulomb energy in the B d state. Numerical estimations using the proposed expression are consistent with the experimental results of ATiO 3 (A=Ca, Sr, Ba and Pb).
ISSN:0038-1098
1879-2766
DOI:10.1016/S0038-1098(03)00185-6