Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11286
Title: Preparation and piezoelectric properties of CeO2-added (Na 0.475K0.475Li0.05)(Nb0.92Ta 0.05Sb0.03)O3 lead-free ceramics
Authors: Lee, T
Kwok, KW 
Chan, HLW 
Issue Date: 2008
Publisher: Institute of Physics Publishing
Source: Journal of physics. D, Applied physics, 2008, v. 41, no. 15, 155402 How to cite?
Journal: Journal of physics. D, Applied physics 
Abstract: Lead-free piezoelectric ceramics (Na0.475K 0.475Li0.05)(Nb0.92Ta0.05Sb 0.03)O3 containing different amounts of CeO2 have been prepared by a conventional mixed-oxide method. After the addition of CeO2, the sintering performance of the ceramics is improved. The ceramics can be well sintered at a higher temperature. The ceramics become dense and have better dielectric and piezoelectric properties. For the ceramic added with 0.4 wt% CeO2, the piezoelectric and dielectric properties become optimum, giving a piezoelectric coefficient of 246 pC N-1 and a planar-mode electromechanical coupling coefficient of 0.50.
URI: http://hdl.handle.net/10397/11286
ISSN: 0022-3727
EISSN: 1361-6463
DOI: 10.1088/0022-3727/41/15/155402
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