Phase transitions in perovskites with off-center Ion displacements

Yizhak Yacoby, Yakov Girshberg

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

We present a plienomenological model of ferroelectricity that quantitatively accounts for both displacive like and order-disorder like properties of pure perovskite ferroelectrics. We further show that this model also accounts for the dielectric and phase transition properties of incipient ferroelectrics doped with off-center impurities. Finally, we present a microscopic model that quantitatively shows that the off-center displacements in a number of perovskites is a manifestation ground state polarons.

Original languageEnglish
Title of host publicationFundamental Physics of Ferroelectrics 2000
Subtitle of host publicationAspen Center for Physics Winter Workshop
EditorsRonald E. Cohen, Richard A. Mewaldt
PublisherAmerican Institute of Physics Inc.
Pages56-66
Number of pages11
ISBN (Electronic)1563969599
DOIs
StatePublished - 12 Sep 2000
EventAspen Center for Physics Winter Workshop on Fundamental Physics of Ferroelectrics 2000 - Aspen, United States
Duration: 13 Feb 200020 Feb 2000

Publication series

NameAIP Conference Proceedings
Volume535
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceAspen Center for Physics Winter Workshop on Fundamental Physics of Ferroelectrics 2000
Country/TerritoryUnited States
CityAspen
Period13/02/0020/02/00

Bibliographical note

Publisher Copyright:
© 2000 American Institute of Physics.

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