Fabrication of sodium potassium niobate ceramics by two step sintering assisted molten salts synthesis
Potassium sodium niobate (KNN) powders were synthesized by a molten salt synthesis. The pure phase KNN was achieved for a calcination temperature of 500 °C which is lower than the conventional technique by 400°C. The KNN ceramics were then fabricated by a two steps sintering technique. Effects of dw...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84891762841&partnerID=40&md5=187d6fd46e0cff91dcb39915c9a2438d http://cmuir.cmu.ac.th/handle/6653943832/7324 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Potassium sodium niobate (KNN) powders were synthesized by a molten salt synthesis. The pure phase KNN was achieved for a calcination temperature of 500 °C which is lower than the conventional technique by 400°C. The KNN ceramics were then fabricated by a two steps sintering technique. Effects of dwell time at T2 on the properties of the ceramics were investigated. Although there was unchanged in microstructure, the dielectric results indicate that a longer dwell time produced a higher value of peak dielectric constant. However, the 8 h sample exhibited the densest ceramic and showed a better ferroelectric performance. © 2013 Copyright Taylor and Francis Group, LLC. |
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