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Electrocaloric Effect in Pb3.0CaxSr0.7-xTiO3 Ceramics Near Room Temperature
Han Liu-Yang; Guo Shao-Bo; Yan Shi-Guang; Remiens, Denis; Wang Gen-Shui; Dong Xian-Lin
2019-09-20
Source PublicationJOURNAL OF INORGANIC MATERIALS
ISSN1000-324X
Volume34Issue:9Pages:1011
SubtypeArticle
AbstractThe electrocaloric (EC) effect is strongly related to interaction of polarization and temperature changes, showing great potential in high-efficient solid state refrigeration. This work focuses on the Pb3.0CaxSr0.7-xTiO3(PCST(x), x = 0.00, 0.05, 0.10, 0.15) ceramics in which the influence of Ca content on dielectric and ferroelectric property under electric field was studied, and the EC temperature change was calculated through indirect method. Substitution of Ca largely modifies the diffused phase transition behaviors of PCST ceramics, which the diffusion exponent of PCST(0.05) increases with electric field up, indicating a promising wide temperature range of large electrocaloric effect. Thus, the largest adiabatic temperature change (1.71 K) is obtained near the room temperature in PCST(0.05) by indirect method. With an electric field of 8 kV/mm, PCST(0.05) ceramic shows good EC effect in a wide temperature range that the adiabatic temperature change is larger than 1 K from 5 degrees C to 70 degrees C.
Keywordelectrocaloric effect ferroelectrics ceramics diffused phase transition
DOI10.15541/jim20180551
Language英语
WOS Research AreaMaterials Science
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26827
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Han Liu-Yang,Guo Shao-Bo,Yan Shi-Guang,et al. Electrocaloric Effect in Pb3.0CaxSr0.7-xTiO3 Ceramics Near Room Temperature[J]. JOURNAL OF INORGANIC MATERIALS,2019,34(9):1011.
APA Han Liu-Yang,Guo Shao-Bo,Yan Shi-Guang,Remiens, Denis,Wang Gen-Shui,&Dong Xian-Lin.(2019).Electrocaloric Effect in Pb3.0CaxSr0.7-xTiO3 Ceramics Near Room Temperature.JOURNAL OF INORGANIC MATERIALS,34(9),1011.
MLA Han Liu-Yang,et al."Electrocaloric Effect in Pb3.0CaxSr0.7-xTiO3 Ceramics Near Room Temperature".JOURNAL OF INORGANIC MATERIALS 34.9(2019):1011.
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