Influence of the sol-gel synthesis on the formation of spinel MgAl2O4

被引：52
|
作者：
Parmentier, J [1 ]
Richard-Plouet, M [1 ]
Vilminot, S [1 ]
机构：
[1] UMR 46 CNRS, IPCMS, Grp Mat Inorgan, F-67037 Strasbourg, France
来源：
MATERIALS RESEARCH BULLETIN | 1998年 / 33卷 / 11期
关键词：
oxides; sol-gel chemistry; electron microscopy; X-ray diffraction; microstructure;
D O I：
10.1016/S0025-5408(98)00169-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spinel precursors have been obtained by sol-gel processing using either magnesium nitrate and chemically modified aluminum alkoxide or a double alkoxide as raw materials. The xerogels have been characterized by differential thermal analysis (DTA), X-ray diffraction (XRD), infrared (IR) spectroscopy, and transmission electron microscopy (TEM). It is proposed that the size of the particles is related to the functionality of the aluminum alkoxide. The use of the double alkoxide allowed pure spinel nanosized materials to be obtained. (C) 1998 Elsevier Science Ltd.
引用
收藏
页码：1717 / 1724
页数：8
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