Characterization of Nitrate Route Synthesized Lead Zirconate Titanate Powders and Ceramics
Suwimon Nualpralaksana and Sukon Phanichphant** Author for corresponding; e-mail address: psukon@yahoo.com
Volume :Vol.29 No.3 (DECEMBER 2002)
Opinion
DOI:
Received: 20 September 2002, Revised: -, Accepted: 8 November 2002, Published: -
Citation: Nualpralaksana S. and Phanichphant S., Characterization of Nitrate Route Synthesized Lead Zirconate Titanate Powders and Ceramics, Chiang Mai Journal of Science, 2002; 29(3): 129-140.
Abstract
Fine powders of lead zirconate titanate [Pb(Zr0.52Ti0.48)O3, PZT] were prepared via a nitrate route by coprecipitation and freeze-drying processes. Lead nitrate, zirconium n-propoxide and titanium isopropoxide were used as starting materials. Ammonia solution, nitric acid and hydrogen peroxide were used to optimize the conditions for the preparation of PZT. The dried powders were calcined and characterized by thermogravimetric analysis (TGA), X-ray diffractometry (XRD) and scanning electron microscopy (SEM) techniques. Gravimetric analysis and atomic absorption spectrophotometry were performed. Perovskite PZT can be obtained at temperatures above 600 °C. PZT powders were pressed and sintered. XRD and SEM were used to characterized PZT ceramics.