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Enhanced strain effect of aged acceptor-doped BaTiO3ceramics with clamping domain structures
Wang, Lei1,2; Zhou, Zhiyong1; Zhao, Xiaobo1; Liu, Zhen1; Liang, Ruihong1; Dong, Xianlin1
2017
Source PublicationApplied Physics Letters
ISSN00036951
Volume110Issue:10
AbstractA clamping domain structure is proposed to improve the amount of non-180° domain switching in BaTiO3based piezoelectric ceramics. Experimental results show a large unipolar strain of 0.23% at 5 kV/mm in aged 0.5 mol. % Mn doped BaTiO3ceramics with clamping domain structures, and the normalized strain (d33∗= Smax/Emax) reaches 600 pm/V at low electric fields of 2 or 3 kV/mm. In contrast, pure BaTiO3ceramics with clamping domain structures exhibit no clear polarization constriction or strain enhancement at 3 kV/mm. Electron paramagnetic resonance spectra verify the existence of titanium vacancies, Mn2+and Mn4+, in 0.5 mol. % Mn doped BaTiO3ceramics. These results indicate that the enhanced strain effect can be attributed to the combined effect of the clamping domain structure and stabilization of defect dipoles. This method provides a general way to obtain large strain in ferroelectrics. © 2017 Author(s).
DOI10.1063/1.4977492
EI Accession Number20171103436564
EI KeywordsManganese
EI Classification Number543.2 Manganese and Alloys - 701.1 Electricity: Basic Concepts and Phenomena - 701.2 Magnetism: Basic Concepts and Phenomena - 812.1 Ceramics
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25390
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, 1295 Dingxi Road, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Wang, Lei,Zhou, Zhiyong,Zhao, Xiaobo,et al. Enhanced strain effect of aged acceptor-doped BaTiO3ceramics with clamping domain structures[J]. Applied Physics Letters,2017,110(10).
APA Wang, Lei,Zhou, Zhiyong,Zhao, Xiaobo,Liu, Zhen,Liang, Ruihong,&Dong, Xianlin.(2017).Enhanced strain effect of aged acceptor-doped BaTiO3ceramics with clamping domain structures.Applied Physics Letters,110(10).
MLA Wang, Lei,et al."Enhanced strain effect of aged acceptor-doped BaTiO3ceramics with clamping domain structures".Applied Physics Letters 110.10(2017).
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