29Si MAS NMR study of the Al/Si ordering process in potassium doped cordierites

被引：2
|
作者：
Gouby, I
Thomas, P
Trolliard, G
Mercurio, D
Frit, B
Senegas, J
机构：
[1] Lab Mat Ceram & Traitements Surface, URA 320 CNRS, F-87060 Limoges, France
[2] Inst Chim Mat Condensee Bordeaux, UPR 9048 CNRS, F-33600 Pessac, France
来源：
ANNALES DE CHIMIE-SCIENCE DES MATERIAUX | 1998年 / 23卷 / 1-2期
关键词：
D O I：
10.1016/S0151-9107(98)80039-1
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This paper deals with the MAS NMR study of the Al/Si ordering process taking place in K-doped cordierites (compared to pure cordierite sample) by annealing at 1150 degrees C. A progressive redistribution of Al/Si is observed. This leads to the ordered orthorhombic form for pure cordierite, whereas such a perfect ordered structure cannot be reached with K-doped cordierites.
引用
收藏
页码：131 / 134
页数：4
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