Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan
Annual Meeting of The Ceramic Society of Japan, 2012
Session ID : 1P038
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Synthesis and optical properties of perovskite type oxynitride Ba-doped LaTaON2
*Katsuya Shiozaki, Hironori Fujito, Satoshi Kataoka, Kaoru Shinnou, Kei-ichiro Murai, Toshihiro Moriga
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Keywords: oxynitride, perovskite, control of bandgap, Flux method, particle size distribution
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Abstract
Ba-doped LaTaON2 oxynitrides were obtained by ammonolysis of amorphous oxide precursors in the NH3(500ml/min) at 1223K 24h.The band gap Eg of Ba-doped LaTaON2 oxynitrides became narrower than LaTaON2. NaCl as a flux was added for the synthesis of Ba-doped LaTaON2. Particle size distributions of samples synthesized by the flux method became sharper than flux-free samples, resulting in improvement of reflectance after absorption edge.
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© The Ceramic Society of Japan 2012
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