Characterization of fluorite-type oxynitride phases in the R2Ta-O-N system (R = rare-earth element)

被引：7
|
作者：
Maillard, Pascal [1 ]
Merdrignac-Conanec, Odile [1 ]
Tessier, Franck [1 ]
机构：
[1] Univ Rennes 1, CNRS, UMR Sci Chim Rennes Equipe Verres & Ceram 6226, F-35042 Rennes, France
来源：
MATERIALS RESEARCH BULLETIN | 2008年 / 43卷 / 01期
关键词：
nitrides; chemical synthesis; crystal structure;
D O I：
10.1016/j.materresbull.2007.05.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The synthesis of reactive nitridation precursors prepared using citrate complexation/calcination route has shown interest in the study of the system R2Ta-O-N. Novel fluorite-type phases have been evidenced in the oxide series R2TaO5.5 (R = Nd-Yb, Y) and oxynitride series R2.67Ta1.33(O,N,square)(8). Chemical and optical analyses were performed to characterize these phases, as well as structural analogies with R2WO6 and R2MoO5 oxide families. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：30 / 37
页数：8
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