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Preparation of Bismuth Copper Based Perovskite-Type Ceramics and their Piezoelectric Properties
Abstract:
The structural, and dielectric and piezoelectric properties of 0.3BaTiO3 - 0.1x (x= Bi (Mg1/2Ti1/2)O3, Bi (Cu1/2Ti1/2)O3, Bi (Cu2/3Nb1/3)O3, (Bi1/2K1/2)(Cu1/3Nb2/3)O3) 0.6BiFeO3 ceramics were studied. The relative density of all the samples was more than 94 %. A single perovskite phase was obtained for the samples, and the crystal structure was pseudo-cubic. The Curie temperature of x=Bi (Mg1/2Ti1/2)O3 and Bi (Cu1/2Ti1/2)O3 system ceramics was higher than 400 °C. The apparent piezoelectric constant d33* of x=Bi (Mg1/2Ti1/2)O3, Bi (Cu1/2Ti1/2)O3, Bi (Cu2/3Nb1/3)O3 and (Bi1/2K1/2)(Cu1/3Nb2/3)O3 system ceramics was 311, 212, 75 and 70 pm/V, respectively.
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Pages:
85-88
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Online since:
July 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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