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Ferroelectric and Piezoelectric Properties of Lead-Free 0.98(Na0.5K0.5)NbO3-0.02Ba(Zr0.52Ti0.48)O-3 Ceramics with Various Sintering Temperatures
- Issue Date
- Apr-2012
- Publisher
- KOREAN INST METALS MATERIALS
- Keywords
- NKN-BZT; ferroelectric properties; piezoelectric properties; sintering temperature
- Citation
- ELECTRONIC MATERIALS LETTERS, v.8, no.2, pp 147 - 150
- Pages
- 4
- Indexed
- SCIE
SCOPUS
KCICANDI
- Journal Title
- ELECTRONIC MATERIALS LETTERS
- Volume
- 8
- Number
- 2
- Start Page
- 147
- End Page
- 150
- ISSN
- 1738-8090
2093-6788
- Abstract
- We studied sintering temperature to enhance the piezoelectric and ferroelectric properties of 0.98(Na0.5K0.5)NbO3-0.02Ba(Zr0.52Ti0.48)O-3 lead free piezoelectric ceramics. The synthesis and sintering method were the conventional ceramic techniques, and sintering was executed at 1080-1120 degrees C. We found that the NKN-BZT ceramics showed the highest piezoelectric properties and ferroelectric properties at an optimal sintering temperature. The NKN-BZT ceramics sintered at 1100 degrees C showed superior performance, with piezoelectric constant d(33) = 213 rho C/N, and electromechanical coupling factor k(p) = 0.41%. These results reveal that NKN-BZT ceramics are promising candidate materials for lead-free piezoelectric applications.
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Collections - 공학계열 > Dept.of Materials Engineering and Convergence Technology > Journal Articles
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