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Effects of Powder Phase Properties on Pb(Zr, Ti)O3/Pb(Zr, Ti)O3 Sol-Gel Composites
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: Received: 17 September 2019 / Approved: 17 September 2019 / Online: 17 September 2019 (15:17:17 CEST)
How to cite: Kobayashi, M.; Makino, H.; Nakatsuma, K. Effects of Powder Phase Properties on Pb(Zr, Ti)O3/Pb(Zr, Ti)O3 Sol-Gel Composites. Preprints 2019, 2019090193 Kobayashi, M.; Makino, H.; Nakatsuma, K. Effects of Powder Phase Properties on Pb(Zr, Ti)O3/Pb(Zr, Ti)O3 Sol-Gel Composites. Preprints 2019, 2019090193
Abstract
The effects of the dielectric constant of the powder phase on lead zirconate titanate (PZT)/PZT sol-gel composite films were investigated to tailor their electrical properties. Three types of PZT powders were used to fabricate three different PZT/PZT sol-gel composite films. The PZT powders had the same electromechanical coupling coefficient but different relative dielectric constants. The PZT/PZT films were fabricated on a 3 mm-thick titanium substrate using an automatic spray coating system, and their properties were investigated. The relative dielectric constants of the PZT/PZT films were successfully controlled by tailoring the properties of the PZT powder phase. However, the piezoelectric constants showed a tendency different to those of the raw powders, because of the poor poling degree. This was overcome by conducting poling at a high temperature.
Keywords
piezoelectric material; dielectric constant; piezoelectric constant
Subject
Chemistry and Materials Science, Materials Science and Technology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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