Orientation effects in 1-3 composites based on 0.93Pb(Zn1/3Nb2/3)O3- 0.07PbTiO3 single crystals

Vitaly Yu Topolov, Andrey Krivoruchko, Paolo Bisegna, Christopher Bowen

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

This paper studies polarisation orientation effects in 1-3 composites with two piezo-active components. It is shown how the orientation of the main crystallographic axes in 0.93Pb(Zn1/3Nb2/3)O 3-0.07PbTiO3 single-crystal rods and the poling direction of a polyvinylidene fluoride matrix affect the volume fraction behaviour of the piezoelectric coefficients, squared figure of merit and hydrostatic parameters of the composites. For a fixed orientation, effective parameters calculated using the matrix approach are compared with those evaluated by the finite element method. Possible property advantages concerned with orientation effects, maxima of effective parameters and high performance of these composites are analysed taking into consideration the electromechanical properties of the components.
Original languageEnglish
Pages (from-to)140-152
Number of pages13
JournalFerroelectrics
Volume376
Issue number1
DOIs
Publication statusPublished - 2008

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