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Investigation on Electrical Properties of CaCu3Ti4O12-Modified (Na,Bi)TiO3-BaTiO3 Lead Free Piezoceramics

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Abstract:

(Na,Bi)TiO3-BaTiO3 lead free piezoelectric ceramics were fabricated with modification of CaCu3Ti4O12 additives. The phase structure, morphology, dielectric and piezoelectric properties of prepared samples were investigated, respectively. It was found that CaCu3Ti4O12 additives evidently improve the polarization properties of (Na,Bi)TiO3-BaTiO3 lead free ceramics and the obtained samples exhibit an excellent piezoelectric properties (electromechanical coupling factor Kp=31%, mechanical quality factor Qm=151 and piezoelectric constant d33=160pC/N). According to results, the effect of CaCu3Ti4O12 additives on electrical properties of (Na,Bi)TiO3-BaTiO3 lead free piezoelectric ceramics is discussed.

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Periodical:

Advanced Materials Research (Volumes 887-888)

Pages:

289-293

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.887-888.289

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Online since:

February 2014

Authors:

Jing Chang Zhao*, Zhen Lai Zhou

Keywords:

Dielectric Property, Lead-Free Ceramics, Piezoelectric Properties

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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