Abstract
The high-quality lead-free relaxor-ferroelectric Bi0.5-xCexNa0.5TiO3 (BCNT) electroceramics were fabricated through the modified Pechini method. The influence of cerium dopant on the phase transition, microstructure and shrinkage performances are studied systematically. The temperature played an important role in improving the grain size of the ceramics. The density of heat-treated samples was 4.503, 4.564 and 4.599 g/cm3. Density value decreased due to cerium doping, but a reverse phenomenon occurred to sintering temperature. The crystallinity BCNT samples sintered at 900 and 1100 °C were calculated as 87.11 and 92.93%, respectively. BCNT ceramics showed good performances like increased grain size and significant changes in shrinkage% measurements. The reported measures could be advantageous in case BNT based materials for commercial applications like electrode systems and multi-layered structures.
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