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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 |
Issue Date: | 17-Dec-2007 | Source: | Applied physics letters, 17 Dec. 2007, v. 91, no. 25, 252910, p. 1-3 | 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. | Keywords: | Composite materials Dielectric thin films Electrical conductivity Ferroelectric ceramics Lead compounds Piezoelectricity Polymer electrolytes Pyroelectricity |
Publisher: | American Institute of Physics | Journal: | Applied physics letters | ISSN: | 0003-6951 | EISSN: | 1077-3118 | 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 |
Appears in Collections: | Journal/Magazine Article |
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Chau_Piezoelectric_Pyroelectric_Electrolyte.pdf | 80.17 kB | Adobe PDF | View/Open |
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