SPICE model of lossy piezoelectric polymers

Dahiya, R.S. , Valle, M., Metta, G. and Lorenzelli, L. (2008) SPICE model of lossy piezoelectric polymers. In: 17th IEEE International Symposium on the Applications of Ferroelectrics. ISAF 2008, Santa Fe, NM, USA, 23-28 Feb 2008, pp. 1-4. (doi: 10.1109/ISAF.2008.4693877)

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Publisher's URL: http://dx.doi.org/10.1109/ISAF.2008.4693877

Abstract

Transmission line equivalent model for lossy piezoelectric polymers and its SPICE implementation are presented. The model includes the mechanical/viscoelastic, dielectric/electrical and piezoelectric/electromechanical losses, in a novel way by using complex elastic, dielectric and piezoelectric constants - obtained from measured impedance of PVDF-TrFE sample. The equivalent circuit parameters are derived from analogies between lossy electrical transmission line and acoustic wave propagation. The simulated impedance and phase plots of polymer, working in thickness mode, have been compared with measured data.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Dahiya, Professor Ravinder
Authors: Dahiya, R.S., Valle, M., Metta, G., and Lorenzelli, L.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering

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