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Excellent temperature stability with giant electrostrain in Bi0.5Na0.5TiO3-based ceramics
Wu, YC; Wang, GS; Jiao, Z; Dong, XL
2020-04-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Pages70
SubtypeArticle
AbstractIn this work, we report a giant strain (0.42%) in lead-free ceramics of (1-x) (0.79Bi(0.5)Na(0.5)TiO(3)-0.20 Bi0.5K0.5TiO3-0.01NaNbO(3))-xSrTiO(3) with x=0.03. Most importantly, ultra-high temperature stability was simultaneously achieved under this giant strain with the variation less than 10% in the range of 20 degrees C and 140 degrees C. Systematic temperature dependent Raman spectra measurements and Ginzburg-Landau-Devonshire thermodynamic theory analysis revealed that the intrinsic lattice strain and electric field induced relaxor-ferroelectric phase transition provide reverse strain response with the increase of temperature, jointly conducive to the ultra-high temperature stability of strain property. These materials are extremely competitive in practical application of actuators. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
DOI10.1016/j.scriptamat.2019.12.022
WOS KeywordLEAD-FREE PIEZOCERAMICS ; ENERGY-STORAGE ; THERMAL-STABILITY ; STRAIN ; TRANSITION ; DENSITY ; PERFORMANCES ; PEROVSKITE ; SUPERIOR
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28197
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wu, YC,Wang, GS,Jiao, Z,et al. Excellent temperature stability with giant electrostrain in Bi0.5Na0.5TiO3-based ceramics[J]. SCRIPTA MATERIALIA,2020:70.
APA Wu, YC,Wang, GS,Jiao, Z,&Dong, XL.(2020).Excellent temperature stability with giant electrostrain in Bi0.5Na0.5TiO3-based ceramics.SCRIPTA MATERIALIA,70.
MLA Wu, YC,et al."Excellent temperature stability with giant electrostrain in Bi0.5Na0.5TiO3-based ceramics".SCRIPTA MATERIALIA (2020):70.
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