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Title: Thermal hysteresis in the permittivity and polarization of lead zirconate titanate/vinylidenefloride-trifluoroethylene 0-3 composites
Authors: Chan, Helen L. W.
Chen, Yong
Choy, Chung-loong
Subjects: Copolymers
Dielectric relaxation
Electric field effects
Lead compounds
Mathematical models
Permittivity measurement
Piezoelectric materials
Thermal effects
Issue Date: Dec-1996
Publisher: IEEE
Source: IEEE transactions on dielectrics and electrical insulation, Dec. 1996, v. 3, no. 6, p. 800-805.
Abstract: The permittivities of 70/30 vinylidene fluoride-trifluoroethylene copolymer and lead zirconate titanate/vinylidene fluoride-trifluoroethylene 0-3 composites have been measured at 1 kHz over the temperature range of 20 to 120°C. Thermal hysteresis was observed for the 0-3 composites and abrupt changes in the permittivities occurred at different temperatures upon heating and cooling. Good agreement was found between the measured permittivities and the predictions of the Bruggeman model. Implications of the thermal hysteresis behavior on the poling of 0-3 composites are also discussed.
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Type: Journal/Magazine Article
DOI: 10.1109/94.556562
ISSN: 1070-9878
Appears in Collections:MRC Journal/Magazine Articles
AP Journal/Magazine Articles

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