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Enhanced electrical properties of NaBi modified CaBi2Nb2O9-based Aurivillius piezoceramics via structural distortion
Xie, Xinchun; Zhou, Zhiyong; Chen, Tao; Liang, Ruihong; Dong, Xianlin
2019-04-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume45Issue:5Pages:5425
SubtypeArticle
AbstractTwo-layer structured ferroelectric ceramics, Ca1-x(NaBi)(0.5x)Bi2Nb2O9 (x = 0.0-0.5; CNBN-x), were prepared by solid-state sintering. An artificial pseudo-morphotropic phase boundary was formed by the substitution of Ca with NaBi, and the crystal structure tended to crystallise in the pseudo-tetragonal phase as the increase of NaBi content. Curie temperature (T-c) slightly reduce and remain high value with the increase of NaBi content, which is in the range of 880-935 degrees C. Moreover, enhanced piezoactivity (d(33)) and ferroelectricity (P-r) accompanying with decreased dielectric loss can be acquired in NaBi-modified CaBi2Nb2O9. The CNBN-0.1 had the best performance, and its T-c, d(33 )and P(r )was 925 degrees C, 14.4 pC/N and 6.0 mu C/cm(2), respectively. Thermal annealing measurement exhibited that the piezoelectric properties of Ca1-x(NaBi)(0.5x)Bi(2)Nb(2)O(9 )had good temperature stability up to 800 degrees C. Therefore, the NaBi-modified CaBi(2)Nb(2)O(9 )ceramics are perceived to be of promising candidates for high-temperature applications.
KeywordAurivillius piezoceramics CaBi2Nb2O9 Crystal structure Piezoactivity
DOI10.1016/j.ceramint.2018.11.244
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27232
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xie, Xinchun,Zhou, Zhiyong,Chen, Tao,et al. Enhanced electrical properties of NaBi modified CaBi2Nb2O9-based Aurivillius piezoceramics via structural distortion[J]. CERAMICS INTERNATIONAL,2019,45(5):5425.
APA Xie, Xinchun,Zhou, Zhiyong,Chen, Tao,Liang, Ruihong,&Dong, Xianlin.(2019).Enhanced electrical properties of NaBi modified CaBi2Nb2O9-based Aurivillius piezoceramics via structural distortion.CERAMICS INTERNATIONAL,45(5),5425.
MLA Xie, Xinchun,et al."Enhanced electrical properties of NaBi modified CaBi2Nb2O9-based Aurivillius piezoceramics via structural distortion".CERAMICS INTERNATIONAL 45.5(2019):5425.
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