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In-situ electric field induced nanoscale BO6 octahedral tilting in lead-free Fe-doped 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO(3) single crystal
Xue, Saidong; Luo, Haosu; Zhao, Xiangyong; Wang, Feifei; Lin, Di; Deng, Hao; Li, Xiaobing; Yue, Qingwen; Tang, Yanxue; Fang, Bijun; Zhang, Haiwu
2019-05-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume165Pages:94
SubtypeArticle
AbstractThe phase transition process of pure and 0.5 at% Fe-doped 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO(3) (NBBT5) single crystals under in-situ electric-field was investigated using the Raman spectroscopy. The pure NBBT5 exhibited Ric (a(-)a(-)a(-) octahedral tilting) symmetry when subjected to an external electric field (E) up to 70 kV/cm. While after the Fe-doping, the crystal underwent a transition from P4bm (a(0)a(0)c(+) octahedral tilting) to P4mm (a(0)a(0)c(+) octahedral tilting) phase under E of 30-40 kV/cm. The results indicated that the octahedral tilting in the Fe-NBBT5 was substantially suppressed by the electric field, which was suggested to contribute to the enhanced piezoelectric response compared to the pure one. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordFerroelectric single crystals Piezoelectricity Raman spectroscopy Octahedral tilting
DOI10.1016/j.scriptamat.2019.02.023
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27151
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xue, Saidong,Luo, Haosu,Zhao, Xiangyong,et al. In-situ electric field induced nanoscale BO6 octahedral tilting in lead-free Fe-doped 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO(3) single crystal[J]. SCRIPTA MATERIALIA,2019,165:94.
APA Xue, Saidong.,Luo, Haosu.,Zhao, Xiangyong.,Wang, Feifei.,Lin, Di.,...&Zhang, Haiwu.(2019).In-situ electric field induced nanoscale BO6 octahedral tilting in lead-free Fe-doped 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO(3) single crystal.SCRIPTA MATERIALIA,165,94.
MLA Xue, Saidong,et al."In-situ electric field induced nanoscale BO6 octahedral tilting in lead-free Fe-doped 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO(3) single crystal".SCRIPTA MATERIALIA 165(2019):94.
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