Pyroelectricity in polymers
- 1 June 1991
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 118 (1) , 165-189
- https://doi.org/10.1080/00150199108014757
Abstract
The piezo- and the pyroelectric properties of poled polyvinylidene fluoride (PVDF) and its copolymers arise primarily from the ferroelectric orientation of the C-F dipoles rather than trapped space charges. Composite films, consisting of ceramic powder, introduced in PVDF matrix, combine the mechanical strength of polymeric films with high piezo- and pyroelectric responses of the ceramics. Present paper provides a brief review of the nature and origin of pyroelectricity in (i) PVDF, (ii) its copolymer vinylidene fluroide-trifluoroethylene (BDF-TrFE) and (iii) their composites (polymer-ceramic).Keywords
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