Structure and electrical properties of perovskite layer (1-x)Sr2Nb2O7-x(Na0.5Bi0.5)TiO3 high-temperature piezoceramics
Chen, Tao1,2,3; Liang, Ruihong1; Li, Yuchen1; Zhou, Zhiyong1; Dong, Xianlin1
2017-03
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume100Issue:3Pages:1065-1072
DOI10.1111/jace.14651
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 T-c up to over 1300 degrees C and piezoelectric constant d(33) about 1.0pC/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.
Keywordceramics lead free piezoelectric materials properties ultrahigh-temperature ceramics
Indexed BySCI ; EI
Language英语
Funding ProjectOpen Project Program of Key Laboratory of Polar Materials and Devices, MOE, East China Normal University[KFKT20130005]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000397503100027
PublisherWILEY
EI Accession Number20170103216485
EI KeywordsCeramic materials
WOS KeywordSUPERHIGH CURIE POINTS ; DIELECTRIC-PROPERTIES ; FERROELECTRIC PROPERTIES ; PIEZOELECTRIC MATERIALS ; STRONTIUM NIOBATE ; SOLID-SOLUTIONS ; CERAMICS ; SUBSTITUTION ; OXIDES ; SYSTEM
Original Document TypeArticle
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://kms.shanghaitech.edu.cn/handle/2MSLDSTB/1481
Collection物质科学与技术学院
物质科学与技术学院_特聘教授组_董显林组
物质科学与技术学院_博士生
Corresponding AuthorZhou, Zhiyong; Dong, Xianlin
Affiliation1.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Funct Mat & Devices, Shanghai, Peoples R China
2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author AffilicationSchool of Physical Science and Technology
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)TiO3 high-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)TiO3 high-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)TiO3 high-temperature piezoceramics".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 100.3(2017):1065-1072.
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