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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Acknowledgements
This work was supported by the Ministry of Sciences and Technology of China through 973-project (2002CB613307), National Natural Science Foundation China (NSFC No. 50572113), and the Innovation Project of Shanghai Institute of Ceramics (SCX200409).
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Wang, Y., Li, Y., Kalantar-zadeh, K. et al. Effect of Bi3+ ion on piezoelectric properties of K x Na1−x NbO3 . J Electroceram 21, 629–632 (2008). https://doi.org/10.1007/s10832-007-9246-8
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DOI: https://doi.org/10.1007/s10832-007-9246-8