Dielectric response of piezoelectric ceramics at low voltage excitations

Sudhakaran, Sudhakaran; Chong, Kok Boon; Barrat, David and Ray, Asim K. (2008). Dielectric response of piezoelectric ceramics at low voltage excitations. Materials Letters, 62(25) pp. 4173–4174.

DOI: https://doi.org/10.1016/j.matlet.2008.06.030

Abstract

An improved model is proposed for the interpretation of the dielectric response of a piezoelectric lead zirconate titanate (PZT) ceramic at low voltage excitations appropriate for microdevices by considering multiple relaxation processes. The model parameters are optimised in order to achieve a satisfactory agreement between the predicted values and experimental data obtained from room temperature measurements on a commercially available PZT-805 ceramic sample.

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