Preparation of nanocrystalline Sr3Al2O6 powders via citric acid precursor

被引：16
|
作者：
Xu, Yebin [1 ]
He, Yanyan [1 ]
Yuan, Xiao [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Inst Optoelectron Sci & Technol, Wuhan 430074, Hubei, Peoples R China
来源：
POWDER TECHNOLOGY | 2007年 / 172卷 / 02期
关键词：
Sr3Al2O6; synthesis; citric acid;
D O I：
10.1016/j.powtec.2006.10.045
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Sr3Al2O6 was synthesized via citric acid precursor. The effects of the molar ratio of citric acid to total metal cations concentration (CA/M) on the formation of Sr3Al2O6 were investigated. Increasing the CA/M promoted the formation of Sr3Al2O6. Single-phase and well-crystallized was obtained from the CA/M = 1, CA/M = 2 and CA/M = 4 precursor at temperature 1200 degrees C, 1100 degrees C and 900 degrees C, respectively. Differential thermal analysis and thermogravimetric (DTA/TG), X-ray diffractometry (XRD) and field emission scanning electron microscopy (FESEM) were used to characterize the precursors and the derived oxide powders. Sr3Al2O6 nanoparticles with a diameter of about 50-70 nm were obtained. (c) 2006 Published by Elsevier B.V.
引用
收藏
页码：99 / 102
页数：4
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