Enhanced room-temperature electrocaloric performance by both multiphase coexistence and diffused phase transition in (Ba0.65Sr0.3Ca0.05)(SnxTi1−x)O3 ferroelectric ceramics
Mingmei Lin,
Zhihong Luo,
Haochen Sun
et al.
Abstract:Multiphase coexistence and DPT are designed to enhance ECE. A very high ΔT of 1.79 K (indirect) and 2.19 K (direct) and large Tspan of 26 K (90% ΔTmax) and 45 K (80% ΔTmax) are obtained in the ceramics (Ba0.65Sr0.3Ca0.05)(SnxTi1−x)O3 for x = 0.02.
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