Agreement in experimental and theoretically obtained electrocaloric effect in optimized Bi^(3+)doped PbZr_(0.52)Ti_(0.48)O_(3)material

查看全文 作　　者：Shubhpreet [1]Kaur;Mehak [1]Arora;Sunil [1]Kumar;Parambir Singh [2]Malhi;Mandeep [1]Singh;Anupinder [1]Singh

机构地区：[1]Department of Physics,Guru Nanak Dev University,Amritsar,143001 Punjab,India;[2]Department of Chemistry,Guru Nanak Dev University,Amritsar,143001 Punjab,India

出　　处：《Journal of Advanced Dielectrics》索引2022年第12卷第3期,共11页

基　　金：Author Shubhpreet Kaur also wishes to thank DEST SERB and Rusa-2.0 for providing financial support. 摘　　要：This work harmonizes the experimental and theoretical study of electrocaloric effect(ECE)in(Pb_(0.8)Bi_(0.2))(Zr_(0.52)Ti_(0.48))O_(3)solid solution by optimizing sintering temperature.Bi^(3+)-doped PbZr_(0.52)Ti_(0.48)O_(3)solid solutions were synthesized by the conventional solid-state reaction method.Different samples were prepared by varying the sintering temperature.X-ray diffraction study con-firms the crystalline nature of all the samples.An immense value of polarization has been acquired in the optimized sample.The maximum adiabatic temperature change of order 2.53 K with electrocaloric strength of 1.26 K mm kV^(−1)has been achieved exper-imentally.Whereas a comparatively close value of ECE has been acquired from the theoretical calculations using a phenomeno-logical approach.Furthermore,a large value(218 mJ cm^(−3))of thermal energy conversion has been obtained using the Olsen cycle. 关键词：FERROELECTRICS solid-state reaction method electrocaloric effect energy harvesting

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Agreement in experimental and theoretically obtained electrocaloric effect in optimized Bi^(3+)doped PbZr_(0.52)Ti_(0.48)O_(3)material

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