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题名:
Intermediate-temperature conductivity of B-site doped Na0.5Bi0.5TiO3-based lead-free ferroelectric ceramics
作者: Huang, JQ; Zhu, FY; Huang, D; Wang, B; Xu, T; Li, XD; Fan, PY; Xia, F; Xiao, JZ; Zhang, HB
刊名: CERAMICS INTERNATIONAL
出版日期: 2016
卷号: 42, 期号:15, 页码:16798-16803
关键词: Na0.5Bi0.5TiO3 ; MgO doping ; Oxide-ion conductivity ; AC impedance spectroscopy
DOI: 10.1016/j.ceramint.2016.07.170
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.
文章类型: 期刊论文
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000384784100049
ISSN号: 0272-8842
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26548
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
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,2016-01-01,42(15):16798-16803.
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