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
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号42期号:15页码:16798-16803
文章类型期刊论文
摘要Na0.5Bi0.5TiO3 (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.
关键词Na0.5bi0.5tio3 Mgo Doping Oxide-ion Conductivity Ac Impedance Spectroscopy
DOI10.1016/j.ceramint.2016.07.170
收录类别SCI
语种英语
WOS记录号WOS:000384784100049
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26548
专题中科院上海应用物理研究所2011-2018年
通讯作者Xiao, 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.
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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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