Enhancement of piezoelectric and pyroelectric properties of composite films using polymer electrolyte matrix | Zendy

Kam-Hong Chau | Zendy; Y. W. Wong | Zendy; F. G. Shin | Zendy

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Enhancement of piezoelectric and pyroelectric properties of composite films using polymer electrolyte matrix

Author(s) -

Kam-Hong Chau,

Y. W. Wong,

F. G. Shin

Publication year - 2007

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2827571

Subject(s) - materials science , pyroelectricity , lead zirconate titanate , polyvinylidene fluoride , composite material , composite number , ceramic , electrolyte , piezoelectricity , polymer , ferroelectric ceramics , volume fraction , zirconate , ferroelectricity , polyethylene , conductivity , titanate , electrode , dielectric , chemistry , optoelectronics

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.Department of Applied PhysicsAuthor name used in this publication: Y. W. WongAuthor name used in this publication: F. G. Shi

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