Abstract
(Pb1-xBax)ZrO3 with x = 0, 0.1 and 0.2 (PZ, PBZ10 and PBZ20) ceramics were synthesized via the combustion technique. (CO(NH2)2) was used as fuel to reduce the reaction temperature. The sintering temperatures were in the range of 1150°C–1350°C for 3 h. All calcined powders indexed in an orthorhombic structure and the purity of the perovskite phase was found in all the sintered pellet samples. The sintered pellets indexed in the orthorhombic structure for PZ and PBZ10 ceramics and in the rhombohedral structure for PBZ20 ceramics. The average grain size increased with an increase of sintering temperatures. The maximum density was observed in the sample sintered at 1250°C. The DSC measurement showed FE-PE phase transition temperature to be around 232°C, 194°C and 154°C, and the PE-FE phase transition temperature was around 229°C, 192°C and 152°C for x = 0, 0.1 and 0.2, respectively. The AFE to FE phase transition temperature was 229°C for PZ ceramics. The dielectric properties were also investigated.
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