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Piezoelectric properties of lead-free (1-x)(Na0.5K0.5)NbO3-xLi(Sb0.17Ta0.83)O-3 ceramics
- Issue Date
- Jun-2011
- Publisher
- KOREAN ASSOC CRYSTAL GROWTH, INC
- Keywords
- Lead-free; NKN-LST; Piezoelectric constant; Dielectric constant
- Citation
- JOURNAL OF CERAMIC PROCESSING RESEARCH, v.12, no.3, pp 332 - 335
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF CERAMIC PROCESSING RESEARCH
- Volume
- 12
- Number
- 3
- Start Page
- 332
- End Page
- 335
- ISSN
- 1229-9162
2672-152X
- Abstract
- The (1-x)(Na0.44K0.52)Nb0.84O3-xLi(0.04)(Sb0.06Ta0.1)O-3 (0.01 <= x <= 0.05) lead free ceramics were prepared using a conventional mixed oxide method. Adding various contents of Li(Sb,Ta)O-3 to (Na,K)NbO3 makes it easy to conduct the sintering processes of pure (Na,K)NbO3 which is difficult to sinter. It was found that the piezoelectric properties of (1-x)NKN-xLST(x = 0.02) ceramic sintered at 1080 degrees C for 2 h has a piezoelectric constant and a planar electromechanical coupling coefficient of 159 pC/N and 38% respectively. It is found that the addition of LST can improve poling procedures of the ceramics because of substitution. These solid solution ceramics look attractive candidates for lead-free piezoelectric applications.
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Collections - 공학계열 > Dept.of Materials Engineering and Convergence Technology > Journal Articles
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