Abstract
The electrocaloric effect (ECE) in lead-free BaSnxTi[Formula: see text]O3 (BSnT, [Formula: see text], 0.10 and 0.15) ceramics were investigated using a direct ECE measurement. Results indicate that the maximum ECE occurs near the Curie temperature and it slightly shifts towards high temperatures. The directly measured ECE is larger than that calculated using the Maxwell relation and P-E loops. A maximum electrocaloric efficiency [Formula: see text][Formula: see text]KmV[Formula: see text] was procured for the composition with [Formula: see text] at [Formula: see text][Formula: see text]K. And it also shows a broad peak in the temperature range of 250–320[Formula: see text]K.
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