Paper Title:
Effect of Calcination Temperature on Phase and Morphology of Sol-Gel Derived PZTN Powders
  Abstract

Niobium doped PZT (PZTN) powder was prepared by a triol-sol-gel method from a mixture of lead (II) acetate trihydrate, 1,1,1-tris (hydroxymethyl), acetylacetone, titanium (IV) isopropoxide, zirconium (IV) propoxide and niobium (V) ethoxide and calcined at temperature ranging from 300-600oC for 2 h and 600oC for 4 h with a heating/cooling rate of 5oC/min. Thermal characteristics of the PZTN powders were studied using thermogravimetric/differential thermal analyses (TG/DTA). Phase formation in the powder was determined using X-ray diffraction analysis (XRD). Morphology of the PZTN powder was investigated by a scanning electron microscopy (SEM) and transmission electron microscopy (TEM). High purity perovskite structure of PZTN powder with a rhombohedral structure and a crystallite size 38 nm was obtained at the temperature of 600oC for 4 h dwell time. Well separated particles with uniform particle size distribution within 10-50 nm were also observed by TEM.

  Info
Periodical
Advanced Materials Research (Volumes 55-57)
Main Theme
Edited by
Tawee Tunkasiri
Pages
77-80
DOI
10.4028/www.scientific.net/AMR.55-57.77
Citation
C. Sangsubun, A. Watcharapasorn, S. Jiansirisomboon, "Effect of Calcination Temperature on Phase and Morphology of Sol-Gel Derived PZTN Powders", Advanced Materials Research, Vols. 55-57, pp. 77-80, 2008
Online since
August 2008
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