Phase Formation and Microstructure of PBZT Powders Prepared via Mixed Oxide Method

Theerachai Bongkarn; C. Thiangchit

doi:10.4028/www.scientific.net/AMR.55-57.201

Paper Titles

Preparation of Barium Strontium Titanate Ceramics via Combustion Method
p.185

Effect of MnO₂ Impurity on the PZT-PMN System Ceramics for Piezoelectric Transformer
p.189

Effect of Excess PbO on Crystal Structure, Microstructure and Phase Transition of Lead Titanate Ceramics
p.193

Effects of Calcination Temperatures on Phase and Morphology Evolution of (Ba_0.25Sr_0.75)(Zr_0.75Ti_0.25)O₃ Powders Synthesized via Solid-State Reaction and Combustion Technique
p.197

Phase Formation and Microstructure of PBZT Powders Prepared via Mixed Oxide Method
p.201

Effect of Calcination Temperatures on Microstructure and Phase Formation of Ba(Zr_0.25Ti_0.75)O₃ Powders
p.205

Fabrication of Lead Barium Titanate Ceramics via Conventional Solid-State Mixed Oxide Technique
p.209

Fabrication of Barium Zirconium Titanate Ceramics Using Ultrasonic Ball Milling Technique
p.213

Ferroelectric and Mechanical Properties of PZT-PZN-PNN Ceramics
p.217

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Phase Formation and Microstructure of PBZT Powders Prepared via Mixed Oxide Method

Abstract:

In this study, lead barium zirconate titanate [(Pb0.975Ba0.025)(Zr1-xTix); (PBZT)] powders with 0 £ x £1 were prepared via the mixed oxide method. The calcinations were performed between 800 and 1000 oC for 1 h. The phase formation and microstructure was studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM). It was found that the structural phase indexed in the orthorhombic phase for x = 0. The tetragonal phase was detected in 0.25 £ x £ 1 samples. TG and DTA curves corresponded to XRD results. The SEM result indicated that the particle size of the powders were nonconsistant and ranged from ~0.5 to ~1.3 µm.