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Title: Fabrication of sodium potassium niobate ceramics by two step sintering assisted molten salts synthesis
Authors: Narumon Lartcumfu
Chatchai Kruea-In
Nattaya Tawichai
Gobwute Rujijanagul
Keywords: Materials Science
Physics and Astronomy
Issue Date: 1-Jan-2013
Abstract: 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 T2on 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.
ISSN: 15635112
Appears in Collections:CMUL: Journal Articles

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