Abstract
In the present study we have prepared ferroelectric BaZrxTi1−xO3 (0 ≤x ≤0.10) ceramic by conventional and microwave sintering (MWS) method. Phase formation was confirmed by XRD, and SEM analysis was done to get microstructural information of the samples. A dense microstructure in the MWS ceramics processed under 4 h of cycle time (including heating, cooling, and holding time) in comparison with conventional sintering (CS) requiring 22 h. With Zr substitution, grain size was found to decreases. Impedance and electric modulus spectroscopy analysis in the frequency range of 40Hz–1MHz at high temperatures (200–600 °C) suggests that two relaxation processes are involved which are attributed to bulk and grain boundary effects in the impedance plots for the prepared sample.
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