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Structure and electrical properties of perovskite layer (1−x)Sr2Nb2O7-x(Na0.5Bi0.5)TiO3high-temperature piezoceramics
Chen, Tao1,2,3; Liang, Ruihong1; Li, Yuchen1; Zhou, Zhiyong1; Dong, Xianlin1
2017
Source PublicationJournal of the American Ceramic Society
ISSN00027820
Volume100Issue:3Pages:1065-1072
AbstractThe structure and electrical properties of perovskite layer structured (PLS) (1−x)Sr2Nb2O7-x(Na0.5Bi0.5)TiO3(SNO-NBT) prepared by solid-state reaction method are investigated. The addition of NBT is beneficial to speed up mass transfer and particle rearrangement during sintering, leading to better sinterability and higher bulk density up to 96.8%. The solid solution limit x in the SNO-NBT system is below 0.03, over which Ti4+is preferable to aggregate and results in the generation of secondary phase. After the modification by NBT, all SNO-NBT ceramics have a Curie temperature Tcup to over 1300°C and piezoelectric constant d33about 1.0 pC/N. The breakthrough of piezoelectricity can mainly be attributed to rotation and distortion of oxygen octahedron as well as higher poling electric field resulting from the improved bulk density. This study not only demonstrates how to improve piezoelectricity by NBT addition, but also opens up a new direction to design PLS piezoceramics by introducing appropriate second phase. © 2016 The American Ceramic Society
DOI10.1111/jace.14651
EI Accession Number20170103216485
EI KeywordsPiezoelectricity
EI Classification Number482.2 Minerals - 641.3 Mass Transfer - 701.1 Electricity: Basic Concepts and Phenomena - 802.2 Chemical Reactions - 804.2 Inorganic Compounds - 812.1 Ceramics - 933.1 Crystalline Solids
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25418
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;
2.School of Physical Science and Technology, ShanghaiTech University, Shanghai, China;
3.University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Chen, Tao,Liang, Ruihong,Li, Yuchen,et al. Structure and electrical properties of perovskite layer (1−x)Sr2Nb2O7-x(Na0.5Bi0.5)TiO3high-temperature piezoceramics[J]. Journal of the American Ceramic Society,2017,100(3):1065-1072.
APA Chen, Tao,Liang, Ruihong,Li, Yuchen,Zhou, Zhiyong,&Dong, Xianlin.(2017).Structure and electrical properties of perovskite layer (1−x)Sr2Nb2O7-x(Na0.5Bi0.5)TiO3high-temperature piezoceramics.Journal of the American Ceramic Society,100(3),1065-1072.
MLA Chen, Tao,et al."Structure and electrical properties of perovskite layer (1−x)Sr2Nb2O7-x(Na0.5Bi0.5)TiO3high-temperature piezoceramics".Journal of the American Ceramic Society 100.3(2017):1065-1072.
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