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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1361 (January) (2009)  >  pp.1-5

Journal of the Ceramic Society of Japan
<<Previous article Vol.117  No.1361 (January) (2009)   pp.1 - 5 Next article>>

Optical properties of oxynitride powders

Franck TESSIER1), Pascal MAILLARD1), François CHEVIRÉ1), Kazunari DOMEN2) and Shinichi KIKKAWA3)
1) UMR CNRS 6226 "Sciences Chimiques de Rennes", Équipe "Verres et Céramiques", Groupe "Matériaux Nitrures", Université de Rennes 1
2) Department of Chemical System Engineering, The University of Tokyo
3) Graduate School of Engineering, Hokkaido University


  (Oxy)nitride materials have attractive properties directly related to the role played by nitrogen. A commonly used synthesis method consists of the thermal nitridation of an oxide precursor in flowing ammonia. As a consequence of the anionic N3-/O2- substitution results an increase in the covalent character, illustrated by a shift of the absorption edge towards higher wavelength values. Thus, oxynitrides offer potentialities as optical materials in the domain of colored pigments, UV absorbers and visible-light photocatalysts.


Keyword:
Oxynitride, Nitride, Ceramics, Optical properties, Powder

Received: July 30, 2008
Published online: January 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan

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