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Giant electrostrain under low driving field in Bi1;2Na1;2TiO3-SrTiO3 ceramics for actuator applications
Tong, Xing-Ye1,2; Li, Hai-Long1; Zhou, Jia-Jun1; Liu, Hong1; Fang, Jing-Zhong1
2016
发表期刊Ceramics International
ISSN0272-8842
卷号42期号:14页码:16153-16159
文章类型J
摘要BiMg1/2Ti1/2O3(BMT)/NaNbO3(NN) was introduced into the Bi1/2Na1/2TiO3-SrTiO3lead-free system to modify its phase structure and electrical properties. The ceramics were prepared by a traditional ceramic processing method. All samples exhibited pure perovskite structure, as well as dense microstructures. The modified compositions underwent a phase transition from a ferroelectric phase to an ergodic relaxor state with increasing BMT/NN content. This transition was identified from the decrease in the ferroelectric-relaxor transition temperature to room temperature. When the composition was located in the vicinity of the critical region, giant electrostrain was obtained owing to the field-induced reversible transition between the relaxor and ferroelectric phases. A schematic phase diagram was constructed based on the measured properties. Excellent actuating performance of Smax/Emax>850 pm/V with an ultra-low driving field of E≤3 kV/mm was achieved in the modified compositions. This performance is comparable to that of the Pb(Zr,Ti)O3-based counterparts and demonstrates the great potential of the current materials in piezoactuator applications. © 2016 Elsevier Ltd and Techna Group S.r.l.
关键词Ceramic Materials Ferroelectricity Lead Perovskite Phase Diagrams Phase Structure Piezoelectric Ceramics Sodium Strontium Alloys Strontium Titanates
DOI10.1016/j.ceramint.2016.07.133
收录类别SCI ; Ei
语种英语
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 [2016334]
WOS记录号WOS:000382269800136
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8487
专题轻量化中心
作者单位1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu
2.610209, China
3. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu
4.610209, China
推荐引用方式
GB/T 7714
Tong, Xing-Ye,Li, Hai-Long,Zhou, Jia-Jun,et al. Giant electrostrain under low driving field in Bi1;2Na1;2TiO3-SrTiO3 ceramics for actuator applications[J]. Ceramics International,2016,42(14):16153-16159.
APA Tong, Xing-Ye,Li, Hai-Long,Zhou, Jia-Jun,Liu, Hong,&Fang, Jing-Zhong.(2016).Giant electrostrain under low driving field in Bi1;2Na1;2TiO3-SrTiO3 ceramics for actuator applications.Ceramics International,42(14),16153-16159.
MLA Tong, Xing-Ye,et al."Giant electrostrain under low driving field in Bi1;2Na1;2TiO3-SrTiO3 ceramics for actuator applications".Ceramics International 42.14(2016):16153-16159.
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