Dependence of structure-property relations on substituent distributions in lead zirconate titanate

Qi Tan, Z. Xu, Dwight Viehland

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The dependence of substituent distributions on A and B sites in rhombohedral lead zirconate titanate (PZT) was investigated in terms of dielectric spectroscopy, polarization switching characteristics and transmission electron microscopy techniques. Decreasing the higher-valence A-site substituent radii resulted in higher coercive fields, a smaller decrease in transition temperatures and the disappearance of relaxor characteristics with respect to the largest A-site substituents La3+. These smaller substituents have enhanced the tendency to exchange on to B sites, resulting in an effective lower-valence substituent, “wavy” domain morphology and “hard” PZT properties.

Original languageEnglish
Pages (from-to)1585-1597
Number of pages13
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume80
Issue number8
DOIs
StatePublished - Aug 2000
Externally publishedYes

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