Abstract
The pyroelectric properties of (Ba0.825+xCa0.175-x)(Ti1-xSnx)O3 ceramics with x = 0.0625, 0.0875 and 0.100 were investigated. Samples were fabricated using solid state reaction route and were exposed to IR lamp periodically to recorded open circuit voltage. Peak value of open circuit voltage was 0.8 V, 0.70 V and 0.53 V for x = 0.0625, 0.0875 and 0.1 samples, respectively. P–E loops were recorded for all the compositions under study. Further pyroelectric coefficient was estimated using P–E loops data. The values of pyroelectric coefficient estimated as 5.70 × 10−4C/m2 K, 5.5 × 10−4C/m2 K and 5 × 10−4C/m2 K for x = 0.0625,0.0875 and 0.1 samples.
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