Preparation of Silver Doped PMN-PZT Ceramics and Their Energy and Materials Engineering Applications

J.C. Kang; G.P. Zheng

doi:10.4028/www.scientific.net/AMR.625.181

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Preparation of Silver Doped PMN-PZT Ceramics and Their Energy and Materials Engineering Applications
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 625Preparation of Silver Doped PMN-PZT Ceramics and...

Preparation of Silver Doped PMN-PZT Ceramics and Their Energy and Materials Engineering Applications

Abstract:

Silver doped 0.61PbMg_0.28Nb_0.67Zr_0.52O₃-0.39PbTiO₃ relaxor ferroelectrics are prepared by solid state reaction and their electrocaloric behaviors at room temperature are characterized. When the content of silver is around 0.2 wt%, the electro-caloric effect and adiabatic temperature changes are the highest. The results show that heat exchanges related to electro-caloric energy conversion and adiabatic temperature changes increase with increasing polarization of these ferroelectric ceramics. The ceramics are found to be very promising in energy conversion and materials engineering applications.