Abstract
Barium Strontium Titanate (Ba0.9Sr0.1TiO3) ceramic powders were prepared by solid-state sintering technique and were uniaxially pressed and sintered at different temperatures of 1000 °C, 1050 °C,1100 °C, 1150 °C and 1200 0C for three hours. The physical, phase composition, microstructure, dielectric and ferroelectric properties of the BST ceramics were investigated. BaTiO3 was the major crystalline phase formed in ceramics. With the increase in the sintering temperature, the density was observed to be increased. Grain boundaries were clearly observed in the micrographs of FESEM for the ceramic samples sintered at high temperatures. Ferroelectric hysteresis was observed for the BST ceramic samples. At room temperature, the dielectric constant of the BST ceramic samples was observed to be increased with the increase of sintering temperature.
Published Version
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