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Thermally stable piezoelectric properties of (K, Na)NbO3-based lead-free perovskite with rhombohedral-tetragonal coexisting phase
Zhang, Mao-Hua1; Wang, Ke1; Zhou, Jin-Song1; Zhou, Jia-Jun2; Chu, Xiangcheng1; Lv, Xiang3; Wu, Jiagang3; Li, Jing-Feng1
2017
发表期刊Acta Materialia
ISSN1359-6454
卷号122页码:344-351
摘要A feasible replacement for lead-based piezoelectric ceramics is desperately required for increasing environmental concerns. Benefiting from the construction of a rhombohedral-tetragonal (R-T) phase boundary, a potential lead-free candidate (Na0.5K0.5)NbO3-(Bi0.5Li0.5)TiO3-BaZrO3is presented in this study, with a large piezoelectric coefficient d33of 330 pC/N and a unipolar strain of 0.16% at 4 kV/mm. More importantly, the piezoresponse is extremely thermally stable that the strain can maintain a considerable value of 0.12% at the temperature as high as 190 °C, rendering the current system very promising for piezoelectric actuator applications. The temperature dependent phase structure evolution as well as piezoelectric response is investigated systematically for interpretation of underlying mechanisms. © 2016 Acta Materialia Inc.
关键词Niobium oxide - Perovskite - Phase structure - Piezoelectric actuators - Piezoelectric ceramics - Sodium - Thermodynamic stability
收录类别SCI ; Ei
语种英语
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8761
专题轻量化中心
作者单位1.State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing; 100084, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China;
3.Department of Materials Science, Sichuan University, Chengdu; 610064, China
推荐引用方式
GB/T 7714
Zhang, Mao-Hua,Wang, Ke,Zhou, Jin-Song,et al. Thermally stable piezoelectric properties of (K, Na)NbO3-based lead-free perovskite with rhombohedral-tetragonal coexisting phase[J]. Acta Materialia,2017,122:344-351.
APA Zhang, Mao-Hua.,Wang, Ke.,Zhou, Jin-Song.,Zhou, Jia-Jun.,Chu, Xiangcheng.,...&Li, Jing-Feng.(2017).Thermally stable piezoelectric properties of (K, Na)NbO3-based lead-free perovskite with rhombohedral-tetragonal coexisting phase.Acta Materialia,122,344-351.
MLA Zhang, Mao-Hua,et al."Thermally stable piezoelectric properties of (K, Na)NbO3-based lead-free perovskite with rhombohedral-tetragonal coexisting phase".Acta Materialia 122(2017):344-351.
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