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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
Source PublicationCERAMICS INTERNATIONAL
Volume42Issue:14Pages:16153-16159
2016-11-01
Language英语
ISSN0272-8842
DOI10.1016/j.ceramint.2016.07.133
Indexed BySCI
WOS IDWOS:000382269800136
SubtypeArticle
AbstractBiMg1/2Ti1/2O3 (BMT)/NaNbO3 (NN) was introduced into the Bi1/2Na1/2TiO3-SrTiO3 lead-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 s(max)/E-max > 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)O-3-based counterparts and demonstrates the great potential of the current materials in piezoactuator applications. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
KeywordLead-free Piezoceramics Perovskite Na0.5bi0.5tio3
WOS KeywordLEAD-FREE PIEZOCERAMICS ; FREE PIEZOELECTRIC CERAMICS ; LARGE-STRAIN ; ELECTRIC-FIELD ; SYSTEM ; PERSPECTIVE
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6475
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
Recommended Citation
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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