The Research on the Piezoelectric and Dielectric Properties of Bi0.5(Nak)0.5-BaTiO3 Lead-Free Ceramics

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Abstract:

The Bi0.5(Na1-xKx)0.5-yBaTiO3 (BNK-BT) lead-free ceramics have been prepared by the solild reactive sintering method. XRD patterns show the BNK-BT ceramics had a perovskite structure. Piezoelectric and dielectric properties of the ceramics also have been studied. The results show that the samples had the best piezoelectric and dielectric properties when x=0.20, y=0.10. And the maximum of d33 is 149 pC/N, while the relative dielectric constant is 1087.

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422-425

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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