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Improved pyroelectric figures of merit of Mn-doped Zr-rich lead zirconate titanate bulk ceramics near room temperature for energy harvesting applications
Chen, Xuefeng; Yan, Shiguang; Nie, Hengchang; Cao, Fei; Wang, Genshui; Dong, Xianlin
2019-03-30
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume779Pages:450
SubtypeArticle
AbstractPyroelectric energy harvesting has been attracting increasing attention due to its abundance and potential applications. In this work, we comparably investigated the pyroelectric properties of Pb-0(.99)(Zr0.95Ti0.05)(0.98)Nb0.02O3 bulk ceramics without (PNZT95/5) and with Mn doping (PNMZT95/5). Compared to PNZT95/5, PNMZT95/5 demonstrated a lower dielectric constant and low rhombohedral high rhombohedral ferroelectric phase transition temperature (T-LH from 37 degrees C to 27 degrees C). Moreover, the poling time displayed significant effects on the dielectric and pyroelectric properties of the ceramics. A giant pyroelectric response was obtained for the PNMZT95/5 ceramics, of which the maximum pyroelectric figure of merit F-E was 16017 J/(m(3)K(2)) after 180 min of poling, which increased 62% compared with the F-E for PNZT95/5 (9890 J/(m(3)K(2)), far higher than those of other pyroelectric materials as well. PNMZT95/5 ceramics is suggested to be a promising candidate for the thermal energy harvesting applications. (C) 2018 Published by Elsevier B.V.
KeywordZr-rich lead zirconate titanate Pyroelectric properties Mn doping Poling time
DOI10.1016/j.jallcom.2018.11.273
Language英语
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27254
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, Xuefeng,Yan, Shiguang,Nie, Hengchang,et al. Improved pyroelectric figures of merit of Mn-doped Zr-rich lead zirconate titanate bulk ceramics near room temperature for energy harvesting applications[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,779:450.
APA Chen, Xuefeng,Yan, Shiguang,Nie, Hengchang,Cao, Fei,Wang, Genshui,&Dong, Xianlin.(2019).Improved pyroelectric figures of merit of Mn-doped Zr-rich lead zirconate titanate bulk ceramics near room temperature for energy harvesting applications.JOURNAL OF ALLOYS AND COMPOUNDS,779,450.
MLA Chen, Xuefeng,et al."Improved pyroelectric figures of merit of Mn-doped Zr-rich lead zirconate titanate bulk ceramics near room temperature for energy harvesting applications".JOURNAL OF ALLOYS AND COMPOUNDS 779(2019):450.
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