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A combination method for improving electrical property of Calcium bismuth niobate ceramics
Chen Huanbei; Shen Bo; Xu Jinbao; Zhai Jiwei
2013
发表期刊JOURNAL OF ELECTROCERAMICS
ISSN1385-3449
卷号30期号:3页码:133-138
摘要Calcium bismuth niobate CaBi2Nb2O9 (CBN) ceramic is a promising candidate for high-temperature piezoelectric applications due to its high Curie temperature. However, the extremely low piezoelectric properties hinder its application. A combination method with element doping and texturing was used to improve the electric properties of CBN ceramic. First of all, the Mn element was chosen to be doped to improve the piezoelectric and resistance properties of CBN ceramic. Then, an optimal composition was subsequently textured by templated grain growth (TGG) method to further improve the piezoelectric properties. The piezoelectric properties, Curie temperature (Tc), and resistivity of textured Ca0.95Mn0.05Bi2Nb2O9 ceramics (d (33) = 21, k (p) = 10.9 %, Tc = 942 A degrees C, rho = 2.1 x 10(5)Omega A center dot cm at 600 A degrees C) were improved obviously compared to pure random CBN ceramics (d (33) = 6, k (p) = 4.6 %, Tc = 930 A degrees C, rho = 0.6 x 10(5)Omega A center dot cm at 600 A degrees C). Furthermore, it has excellent resistance to thermal depoling and keep about 5.7 % kp until the temperature up to 600 A degrees C. This combination method makes the textured Ca0.95Mn0.05Bi2Nb2O9 ceramics to be a promising candidate for high-temperature piezoelectric applications.
关键词Texture High-temperature Piezoelectric
学科领域Materials Science
DOI10.1007/s10832-012-9774-8
收录类别SCI
WOS记录号WOS:000318291800003
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2666
专题材料物理与化学研究室
作者单位Tongji Univ, Funct Mat Res Lab, Shanghai 200092, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
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Chen Huanbei,Shen Bo,Xu Jinbao,et al. A combination method for improving electrical property of Calcium bismuth niobate ceramics[J]. JOURNAL OF ELECTROCERAMICS,2013,30(3):133-138.
APA Chen Huanbei,Shen Bo,Xu Jinbao,&Zhai Jiwei.(2013).A combination method for improving electrical property of Calcium bismuth niobate ceramics.JOURNAL OF ELECTROCERAMICS,30(3),133-138.
MLA Chen Huanbei,et al."A combination method for improving electrical property of Calcium bismuth niobate ceramics".JOURNAL OF ELECTROCERAMICS 30.3(2013):133-138.
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