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题名:
Grain size dependent electrostrain in Bi1/2Na1/2TiO3-SrTiO3 incipient piezoceramics
作者: Li, Hai-Long1,2; Liu, Qing3; Zhou, Jia-Jun1; Wang, Ke3; Li, Jing-Feng3; Liu, Hong1; Fang, Jing-Zhong1
刊名: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
出版日期: 2016-09-01
卷号: 36, 期号:11, 页码:2849-2853
关键词: Lead-free piezoceramics ; Perovskite ; Na0.5Bi0.5TiO3
DOI: 10.1016/j.jeurceramsoc.2016.04.024
文章类型: Article
英文摘要: The electrical properties and microstructures of (1 - x) Bi1/2Na1/2TiO3-xSrTiO(3) (BNT-ST100x, 0.20 <= x <= 0.30) piezoceramics with different grain size distributions were investigated. The critical region separating the ferroelectric from ergodic relaxor is located around x = 0.26. Strains up to 0.2% could be achieved under a low driving fields (E < 2 kV/mm) in the BNT-ST26 composition resulting in excellent actuating performance of S-max/E-max >1000 pm/V. The electrostrain was largely depended on the grain size and an increment of strain up to similar to 38% can be realized by increasing the grain size from 5 mu m to 13 mu m in the BNT-ST26 samples. The results indicate that the field -induced strain performance of BNT-based incipient piezoelectric ceramics can be tailored via microstructure modifications, an alternative strategy to enhance the electromechanical properties. (C) 2016 Elsevier Ltd. All rights reserved.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Materials Science, Ceramics
研究领域[WOS]: Materials Science
关键词[WOS]: FREE PIEZOELECTRIC CERAMICS ; LEAD-FREE PIEZOCERAMICS ; LARGE-STRAIN RESPONSE ; ELECTRIC-FIELD ; SYSTEM ; PERSPECTIVE
收录类别: SCI
项目资助者: National Nature Science Foundation of China(51402297 ; West Light Foundation of the Chinese Academy of Sciences(A14K001) ; Youth Innovation Promotion Association CAS ; 51302144)
语种: 英语
WOS记录号: WOS:000376808100026
ISSN号: 0955-2219
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3905
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

Recommended Citation:
Li, Hai-Long,Liu, Qing,Zhou, Jia-Jun,et al. Grain size dependent electrostrain in Bi1/2Na1/2TiO3-SrTiO3 incipient piezoceramics[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2016,36(11):2849-2853.
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