DC bias electric field and stress dependence of piezoelectric parameters in lead zirconate titanate ceramics – Phenomenological approach

The piezoelectric material behavior, including loss mechanism, under external DC electric field and stress biases have been extensively studied in lead zirconate titanate ceramics. However, in order to achieve a better understanding of these effects, development of a comprehensive model is required. The purpose of this paper is to develop a phenomenological model to explain the nonlinear nature of piezoelectric parameters under DC bias electric field and stress. Therefore, the Landau-Devonshire energy function considering external biases was developed and accordingly the material properties were derived, based on first order approximation. In order to explain the compliance and piezoelectric constants change higher order elastic and electrostrictive terms were introduced into the Gibb's free energy function. Accordingly, thermodynamic theory parameters, including higher order parameters, of a soft PZT were measured and characterized based on inverse permittivity behavior near Curie temperature. Finally, the phenomenological model predictions of material property changes under DC bias electric field and compressive stress were compared with experimental data reported by our group. The proposed model succeeded to explain the material properties change under external biases. Furthermore, the effect of DC electric field and compressive stress on loss parameters were explained based on domain wall motion.

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Work Title DC bias electric field and stress dependence of piezoelectric parameters in lead zirconate titanate ceramics – Phenomenological approach
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Open Access
Creators
  1. Hossein Daneshpajooh
  2. Yoonsang Park
  3. Timo Scholehwar
  4. Eberhard Hennig
  5. Kenji Uchino
Keyword
  1. DC bias Field
  2. Nonlinear material properties
  3. Piezoelectric properties
  4. Loss mechanism
  5. Ferroelectric phenomenology
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. Ceramics International
Publication Date July 1, 2020
Publisher Identifier (DOI)
  1. https://doi.org/10.1016/j.ceramint.2020.03.104
Deposited February 17, 2023

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Version 1
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  • Created
  • Added 20-DCBiasFieldStressPhenomenology-IntlCeramics-2020.pdf
  • Added Creator Hossein Daneshpajooh
  • Added Creator Yoonsang Park
  • Added Creator Timo Scholehwar
  • Added Creator Eberhard Hennig
  • Added Creator Kenji Uchino
  • Published
  • Updated Keyword Show Changes
    Keyword
    • DC bias Field, Nonlinear material properties, Piezoelectric properties, Loss mechanism, Ferroelectric phenomenology
  • Updated