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Effect of Bi3+ ion on piezoelectric properties of K x Na1?x NbO3 |
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| Authors: | Ying Wang Yongxiang Li K Kalantar-zadeh Tianbao Wang Dong Wang Qingrui Yin |
| Affiliation: | 1. The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People’s Republic of China 2. Postgraduate School of the Chinese Academy of Sciences, Beijing, 100390, People’s Republic of China 3. School of Electrical and Computer Engineering, RMIT University, Melbourne, Australia |
| Abstract: | This paper describes the material preparation and characteristics of potassium sodium niobate, K x Na1? x NbO3 (KNN), with Bi3+ doping. Some physical properties including density, dielectric constant, loss tangent and ferroelectric hysteresis, were examined. The samples were characterized by using X-ray diffraction method and the grain size was measured by using SEM micrographs. Dielectric constant, loss tangent, and electromechanical coupling coefficient of samples were measured at different frequencies. The changes in physical properties are remarkable when KNN is doped with Bi3+ ions. |
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