Microscopic origin of relaxor ferroelectricity in PMN and PLZT

T. Egami*, S. Teslic, W. Dmowski, P. K. Davies, I. W. Chen, H. D. Chen

*Corresponding author for this work

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

The result of small angle x-ray scattering measurements on Pb(Mg1/3Nb2/3)O3 (PMN) questions the validity of the widely accepted structural nano-domain model for the relaxor behavior. Based upon the results of pulsed neutron powder diffraction measurements with the pair-distribution function (PDF) analysis on PMN, Pb(Zr1-xTix)O3 (PZT) and (Pb1-xLax)(Zn1-yTiy)O3 (PLZT), an alternative atomistic mechanism of relaxor behavior applicable both to PMN and PLZT is proposed. The implications of the new mechanism to piezoelectricity are also discussed.

Original languageEnglish
JournalJournal of the Korean Physical Society
Volume32
Issue number3 SUPPL.
DOIs
StatePublished - 1 Dec 1998

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