A study of the crystallization of CSD-prepared La0.5Sr0.5CoO3 thin films using analytical electron microscopy

被引：8
|
作者：
Javoric, S [1 ]
Drazic, G [1 ]
Kosec, M [1 ]
机构：
[1] Univ Ljubljana, Jozef Stefan Inst, Dept Ceram, SI-1000 Ljubljana, Slovenia
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2001年 / 21卷 / 10-11期
关键词：
electron microscopy; films; LSCO oxide electrodes; perovskites;
D O I：
10.1016/S0955-2219(01)00060-7
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The crystallisation of chemical solution deposition (CSD) prepared La0.5R0.5CoO3 (LSCO) thin films was studied using analytical electron microscopy (AEM). In the first stages of crystallisation, where the particle size was in the nanometer range, experimental selected area electron diffraction (SAED) patterns were compared to calculated (simulated) patterns in order to determine the phase composition. In samples prepared at 350 degreesC an amorphous phase, nanocrystalline Sr(NO3)(2) and Co3O4 were found as well as large crystals (up to 0.5 pm) of SrCO3. Samples annealed at 500 degreesC consisted mainly of the cubic LSCO (perovskite) phase and an amorphous phase. In samples fired at 650 degreesC the pure perovskite phase with a grain size of 50-150 nm was found. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1543 / 1546
页数：4
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