Abstract
The effects of sintering temperature on physical and electrical properties of the Pb(Zr 0.52 Ti 0.48 )O 3 ceramics with addition of 1wt% Nb 2 O 5 prepared by conventional mixed oxide technique were investigated. The samples were sintered over temperature rang 1200–1300 o C. At lower sintering temperature, the dominant phase was rhombohedral while the tetragonal phase became dominant at higher temperature. The dielectric constant increased with increasing sintering temperature from 1200 to 1250°C. Further increase in temperature resulted in a drop of the dielectric constant. Similar trend was also observed for the d 33 -constant. For the ferroelectric properties, the electrical coercivity and remnant polarization decreased with increasing sintering temperature.
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