Phase Diagrams of BaTiO sub(3)/BaZrO sub(3) Superlattices

Temperature-misfit strain phase diagrams of BaTiO sub(3)/BaZrO sub(3) superlattices were developed and an alteration of the "misfit strain-temperature" phase diagrams against the changing of ferroelectric layers volume fraction was investigated. The topology of developed phase diagrams is...

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Bibliographic Details
Published inFerroelectrics Vol. 444; no. 1; pp. 168 - 176
Main Authors Shakhovoy, R A, Shirokov, V B, Yuzyuk, YuI
Format Journal Article
LanguageEnglish
Published 01.01.2013
Subjects
Barium titanates
Barium zirconates
Ferroelectric materials
Phase diagrams
Phase shift
Substations
Superlattices
Volume fraction
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Summary:Temperature-misfit strain phase diagrams of BaTiO sub(3)/BaZrO sub(3) superlattices were developed and an alteration of the "misfit strain-temperature" phase diagrams against the changing of ferroelectric layers volume fraction was investigated. The topology of developed phase diagrams is similar to that of single BaTiO sub(3) film, but phase transition lines exhibit substation shifts. According to our approach, the main reason of this shift is the electrostatic interaction between the layers. It is revealed that only one polar phase remains stable in superlattices with volume fraction of BaTiO sub(3) being less than 70%.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
content type line 23
ObjectType-Feature-1
ISSN:0015-0193
1563-5112
DOI:10.1080/10584587.2013.785795