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HomeKey Engineering MaterialsKey Engineering Materials Vol. 732The Effects of Ba(Zr0.05Ti0.95)O3 Addition on...

The Effects of Ba(Zr_0.05Ti_0.95)O₃ Addition on Piezoelectric Properties and Microstructures of (Na_0.5Bi_0.5)_0.94Ba_0.06TiO₃ Ceramics

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Abstract:

(Na_0.5Bi_0.5)_0.94Ba_0.06TiO₃ (NBBT) ceramics doped with 0.1∼2.0 mol.% Ba (Zr_0.05Ti_0.95)O₃ were investigated in terms of the sintering, microstructure, phase transition, and piezoelectric properties. BZT doping has no remarkable effect on the microstructure and densification within the studied doping content. Up to 2 mol.% BZT can dissolve into the lattice of NBBT ceramics, and the structure symmetry is not changed. However, a significant change in the piezoelectric properties took place. The piezoelectric coefficient d₃₃ for the 0.1 wt.% BZT-doped NBBT ceramics sintered at 1150 °C was found to be 120 pC/N and the electromechanical coupling factor k_p = 0.24.

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Engineering Materials VIII

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Periodical:

Key Engineering Materials (Volume 732)

Pages:

69-75

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.732.69

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Online since:

March 2017

Authors:

Tai Kuang Lee, Jyun Hung Chen, Ying Chieh Lee

Keywords:

Dielectric Properties, Ferroelectricity, Microstructure, Piezoelectricity

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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