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Intermediate-temperature conductivity of B-site doped Na0.5Bi0.5TiO3-based lead-free ferroelectric ceramics
Huang, JQ; Zhu, FY; Huang, D; Wang, B; Xu, T; Li, XD; Fan, PY; Xia, F; Xiao, JZ; Zhang, HB; Zhang, HB (reprint author), Huazhong Univ Sci & Technol, Coll Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China.
2016
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume42Issue:15Pages:16798-16803
Subtype期刊论文
AbstractNa0.5Bi0.5TiO3 (NBT) based oxide-ion conductor ceramics have great potential applications in intermediate-temperature solid oxide fuel cells (SOFCs) and oxygen sensors. Na0.5Bi0.49Ti1-xMgxO3-delta ceramics with x=0, 0.01, 0.02, 0.03, 0.05 and 0.08 were prepared by conventional solid-state reaction. XRD measurement and SEM analysis revealed the formation of pure perovskite structures without secondary phase. MgO doping greatly decreased the sintering temperature and inhibited grain growth. AC impedance spectroscopy measurement was adopted to measure the total conductivity, which was found to increase with MgO doping content ranging from 0 to 3 mol% and subsequently to decrease. High oxygen ionic conductivity sigma(t)=0.00629 S/cm was achieved for sample doped with 3 mol% MgO at 600 degrees C in air atmosphere. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
KeywordNa0.5bi0.5tio3 Mgo Doping Oxide-ion Conductivity Ac Impedance Spectroscopy
DOI10.1016/j.ceramint.2016.07.170
Indexed BySCI
Language英语
WOS IDWOS:000384784100049
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26548
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorXiao, JZ; Zhang, HB (reprint author), Huazhong Univ Sci & Technol, Coll Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China.
Recommended Citation
GB/T 7714
Huang, JQ,Zhu, FY,Huang, D,et al. Intermediate-temperature conductivity of B-site doped Na0.5Bi0.5TiO3-based lead-free ferroelectric ceramics[J]. CERAMICS INTERNATIONAL,2016,42(15):16798-16803.
APA Huang, JQ.,Zhu, FY.,Huang, D.,Wang, B.,Xu, T.,...&Zhang, HB .(2016).Intermediate-temperature conductivity of B-site doped Na0.5Bi0.5TiO3-based lead-free ferroelectric ceramics.CERAMICS INTERNATIONAL,42(15),16798-16803.
MLA Huang, JQ,et al."Intermediate-temperature conductivity of B-site doped Na0.5Bi0.5TiO3-based lead-free ferroelectric ceramics".CERAMICS INTERNATIONAL 42.15(2016):16798-16803.
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