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Issue 7, 2017
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New poling method for piezoelectric ceramics

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Abstract

The poling process is necessary to obtain the piezoelectric activity of piezoelectric materials. Herein, we report a new poling method for poling lead-based and lead-free ceramics, where alternating current (AC) fields were applied. Interestingly, saturated d33 values could be obtained when the electric fields reached the critical value, which is determined by the composition of the materials. Their piezoelectric properties are strongly dependent on the measurement temperatures; however, the measurement frequencies slightly affect the piezoelectricity of the ceramics. By the optimization of the poling parameters, piezoelectric activity of the ceramics poled under AC can almost match the values obtained under DC. This new poling method may significantly contribute to further research of piezoelectric ceramics.

Graphical abstract: New poling method for piezoelectric ceramics

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Article information


Submitted
10 Dec 2016
Accepted
17 Jan 2017
First published
19 Jan 2017

J. Mater. Chem. C, 2017,5, 1601-1606
Article type
Communication

New poling method for piezoelectric ceramics

H. Tao and J. Wu, J. Mater. Chem. C, 2017, 5, 1601
DOI: 10.1039/C6TC05328A

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