Theory of dielectric and ferroelectric discontinuities at the tetragonal-cubic transition of pure and Fe-doped BaTiO3

D. Khatib*, M. Aattar, B. Noheda

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Ferroelectric perovskites, particularly pure and Fe-doped BaTiO3, show remarkable discontinuities in dielectric and ferroelectric constants at the tetragonal-cubic transition. These discontinuities are discussed quantitatively taking into account the effective electric field acting on the electric dipole moments corresponding to the elementary cells. It is found that the calculated results are in good agreement with the experimental data.

Original languageEnglish
Pages (from-to)47-51
Number of pages5
JournalAnnales de Chimie: Science des Materiaux
Volume22
Issue number2
Publication statusPublished - 16-Apr-1997
Externally publishedYes

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