Piezoelectric, dielectric, and elastic properties of poly(vinylidene fluoride/trifluoroethylene)

H. Wang, Q. M. Zhang, L. E. Cross, A. O. Sykes

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Abstract

The symmetry-predicted nonzero components of the piezoelectric coefficient, dielectric constant, and elastic compliance matrices have been determined on poly(vinylidene fluoride/trifluoroethylene)(75/25) copolymer at room temperature and a frequency of 500 Hz. The temperature dependence of each of the complex piezoelectric coefficients and complex dielectric constants has been measured in the temperature range of -100 to 65°C. The frequency dependence of these coefficients has also been measured at room temperature. It is found that the relaxation observed in the tensile piezoelectric coefficients of this material is different from that of the dielectric constants, whereas the relaxation of the piezoelectric shear constants shows behavior similar to that of the dielectric constants.

Original languageEnglish (US)
Pages (from-to)3394-3398
Number of pages5
JournalJournal of Applied Physics
Volume74
Issue number5
DOIs
StatePublished - 1993

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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