Fabrication and Characterization of Li2O Excess (Na0.49K0.49Li0.02)(Nb0.8Ta0.2)O3 Piezoelectric Ceramics

Abstract:

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Dense Li2O excess (Na0.49K0.49Li0.02)(Nb0.8Ta0.2)O3 [NKLNT] ceramics were developed by conventional sintering process without any special technique. The electrical properties of NKNLT ceramics were investigated as a function of Li2O concentration. When the sample sintered at 1050 oC for 4 h with the addition of 1 mol% Li2O, electro-mechanical coupling factor (kP) and piezoelectric coefficient (d33) were found to reach the highest values of 0.42 and 260 pC/N, respectively.

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Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1902-1904

DOI:

10.4028/www.scientific.net/KEM.368-372.1902

Citation:

M. S. Kim et al., "Fabrication and Characterization of Li2O Excess (Na0.49K0.49Li0.02)(Nb0.8Ta0.2)O3 Piezoelectric Ceramics", Key Engineering Materials, Vols. 368-372, pp. 1902-1904, 2008

Online since:

February 2008

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$35.00

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