Journal of Electrical and Electronic Materials

"0.98NKN-0.02LST"

Piezoelectric Properties of Ag2O-doped 0.98(Na0.5K0.5)NbO3-0.02Li(Sb0.17Ta0.83)O3 Ceramics: Hyun Ju Kim, Seung Hwan Lee, Sung Gap Lee, Young Hie Lee; J Korean Inst Electr Electron Mater Eng 2012;25(1):29-32. Published online January 1, 2012; DOI: https://doi.org/10.4313/JKEM.2012.25.1.29

Abstract
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Lead-free 0.98(Na0.5,K0.5)NbO3-0.02Li(Sb0.17Ti0.83)O3 (hereafter 0.98NKN-0.02LST) ceramics doped with Ag2O were prepared using a conventional mixed oxide method. The specimen showed superior structural and electrical properties when 1 mol% Ag2O was doped. For the 0.98NKN-0.02LST+1.0 mol%Ag2O ceramics sintered at 1,100℃, piezoelectric constant (d33) of sample showed the optimum values of 207 pC/N. The 0.98NKN-0.02LST+1.0 mol%Ag2O ceramics are a promising candidate for lead-free piezoelectric materials.

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