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Large electric field-induced strain in ternary Bi0.5Na0.5TiO3-BaTiO3-Sr2MnSbO6 lead-free ceramics
Gong, Yunyun; He, Xiang; Chen, Chen; Yi, Zhiguo
2019-04-15
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume45Issue:6Pages:7173
SubtypeArticle
AbstractThe large electric-field-induced strain of Bi0.5Na0.5TiO3-BaTiO3 based ceramic make it a potential replacement for lead-based ferroelectrics in actuator applications. Herein, a ternary system (1-x)(Bi0.5Na0.5)(0.935)Ba0.065TiO3-xSr(2)MnSbO(6) (BNBT6.5-xSMS) ceramic was fabricated using conventional solid-state reaction. It was found that the ferroelectric to relaxor phase transition temperature TF-R gradually shifted to lower temperature by increasing SMS contents. The ferroelectricity and piezoelectricity of BNBT6.5 were highly affected by trace amount of SMS doping. For composition BNBT6.5-0.003SMS, where TF-R was near room temperature, a large electric field -induced unipolar strain of similar to 0.4% with high normalized strain (S-max/E-max) of 728 pm/V, which is comparable to lead-based ferroelectric/antiferroelectric ceramics, was achieved owing to the reversible electric-field-induced phase transition between a non-polar relaxor phase to a polar phase with long-range ferroelectric order.
KeywordLead-free ceramics electric-field-induced phase transition ferroelectric Bi0.5Na0.5TiO3
DOI10.1016/j.ceramint.2018.12.224
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27185
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Gong, Yunyun,He, Xiang,Chen, Chen,et al. Large electric field-induced strain in ternary Bi0.5Na0.5TiO3-BaTiO3-Sr2MnSbO6 lead-free ceramics[J]. CERAMICS INTERNATIONAL,2019,45(6):7173.
APA Gong, Yunyun,He, Xiang,Chen, Chen,&Yi, Zhiguo.(2019).Large electric field-induced strain in ternary Bi0.5Na0.5TiO3-BaTiO3-Sr2MnSbO6 lead-free ceramics.CERAMICS INTERNATIONAL,45(6),7173.
MLA Gong, Yunyun,et al."Large electric field-induced strain in ternary Bi0.5Na0.5TiO3-BaTiO3-Sr2MnSbO6 lead-free ceramics".CERAMICS INTERNATIONAL 45.6(2019):7173.
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