Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4522
Title: Enhancement of piezoelectric and pyroelectric properties of composite films using polymer electrolyte matrix
Authors: Chau, KH
Wong, YW
Shin, FG
Keywords: Composite materials
Dielectric thin films
Electrical conductivity
Ferroelectric ceramics
Lead compounds
Piezoelectricity
Polymer electrolytes
Pyroelectricity
Issue Date: 17-Dec-2007
Publisher: American Institute of Physics
Source: Applied physics letters, 17 Dec. 2007, v. 91, no. 25, 252910, p. 1-3 How to cite?
Journal: Applied physics letters 
Abstract: Composite films consisting of lead zirconate titanate (PZT) inclusions dispersed in a matrix of polymer electrolyte the polyethylene oxide were fabricated. Their piezoelectric coefficients d₃₃ and pyroelectric coefficients p are increased almost proportional to the volume fraction of the ferroelectric ceramic phase. For 34% PZT composite, d₃₃ and p are 170 pC/N and 120 μC/m² K, respectively, they are much larger than PZT/polyvinylidene fluoride-trifluoroethylene composite with similar ceramics content. It is believed that the enhancement of the measured coefficients is due to the relatively high electrical conductivity of polymer electrolyte matrix. This is confirmed by theoretical models which consider the conductivity of matrix.
URI: http://hdl.handle.net/10397/4522
ISSN: 0003-6951 (print)
1077-3118 (online)
DOI: 10.1063/1.2827571
Rights: © 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in K. H. Chau et al., Appl. Phys. Lett. 91, 252910 (2007) and may be found at http://link.aip.org/link/?apl/91/252910
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