Abstract
To develop new (Bi1/2Na1/2)TiO3-based ceramics with excellent piezoelectric properties, the similarities and the differences between PZT and (Bi1/2Na1/2)TiO3 ceramics were analysed. Based on the analysis, a new (Bi1/2Na1/2)TiO3-based piezoelectric ceramic of B-site substitution of complex ions (Mg1/3Nb2/3)4+ for Ti4+ was prepared by a conventional ceramic technique, and the effect of complex ions (Mg1/3Nb2/3)4+ addition on the microstructure, dielectric and piezoelectric properties was investigated. The research results show that all compositions are mono-perovskite phase and the grain size increases with increasing content of (Mg1/3Nb2/3)4+. The piezoelectric constant d 33 first increases and then decreases, and electromechanical coupling factor k p varies insignificantly with increasing content of (Mg1/3Nb2/3)4+.
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Zhou, CR., Liu, XY., Li, WZ. et al. Effect of substitution of titanium by magnesium and niobium on structure and piezoelectric properties in (Bi1/2Na1/2)TiO3 ceramics. Bull Mater Sci 34, 1491–1494 (2011). https://doi.org/10.1007/s12034-011-0348-1
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DOI: https://doi.org/10.1007/s12034-011-0348-1