Simple electric equivalent circuit method to determine piezoelectric and elastic properties of piezoelectric polymer film

被引：9

作者：

Markiewicz, E ^{[1
]}

Kulek, J

Pawlaczyk, C

机构：

[1] SA Laudspeaker Factory, Wrzesnia, Poland

[2] Polish Acad Sci, Inst Mol Phys, Poznan, Poland

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1999年 / 6卷 / 03期

关键词：

D O I：

10.1109/94.775615

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A simple method is proposed to determine the parameters of a piezoelectric resonator;equivalent circuit in the frequency range from 1 MHz to 1 GHz. Traditional methods use an electronic setup which always involves significant frequency range limitations. The presented method overcomes this limitation by simultaneous measurement of the reflectivity coefficient of two samples with HP4191A RF impedance analyzer. The measurements are carried out on films of polyvinylidenefluoride (PVDF) and its copolymer with (PVDF/trifluoroethylene (TRFE))(0.75/0.25) which were corona charged as well as corona charged and then thermally aged. Piezoelectric and elastic constants are calculated using the parameters of the piezoelectric resonator equivalent circuit.

引用

页码：304 / 308

页数：5

共 12 条

[1]

[Anonymous], 1950, PIEZOELECTRIC CRYSTA

[2]

Berlincourt D. A., 1964, PHYS ACOUSTICS 1, V1, P182

[3] PIEZOELECTRICITY AND PYROELECTRICITY IN VINYLIDENE FLUORIDE TRIFLUOROETHYLENE COPOLYMERS [J].