Abstract
This work studied the crystal structure, microstructure and piezoelectric properties of Lead Barium Zirconate Titanate [(Pb0·95Ba0·05)(Zr1−xTix)O3; (PBZT)] ceramics with 0≤x≤0·50 step 0·05 prepared by the solid state reaction method. PBZT samples were calcined in the range of 900–1000°C for 1 h and sintered at 1200°C for 3 h. The crystal structure, microstructure and piezoelectric properties were analysed by an X-ray diffractometer (XRD), scanning electron microscope (SEM) and d33 meter. It was found that the PBZT ceramics are indexed in the orthorhombic structure for x = 0, the rhombohedral structure for 0·05≤x≤0·30, the coexisting of rhombohedral and tetragonal structure for 0·35≤x≤0·45 and the tetragonal structure for x = 0·50. The average grain size and the density are around 1·20–2·59 μm and 7·52–7·67 g cm−3 respectively. The highest piezoelectric coefficient is 129 pC/N obtained by x = 0·40.
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