Grain and crystallite size in polyerystalline pyrite thin films

被引：62
作者：
Ares, JR [1 ]
Pascual, A [1 ]
Ferrer, IJ [1 ]
Sánchez, C [1 ]
机构：
[1] Univ Autonoma Madrid, Dpto Fis Mat C4, E-28049 Madrid, Spain
来源：
THIN SOLID FILMS | 2005年 / 480卷
关键词：
grain size; crystallite size; pyrite thin films;
D O I：
10.1016/j.tsf.2004.11.064
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pyrite thin films have been obtained by sulphuration of Fe thin films. The influence of temperature and time of sulphuration on crystallite size (determined from XRD patterns) and on grain size (determined by AFM images) of the films have been investigated. It has been found that grain size is always much larger than crystallite size. Grains of higher crystallographic homogeneity are produced when the films are sulphurated at 675-700 K. They are formed by only three or four crystallites. Possible relationships between grain and crystallite growth mechanisms are briefly considered. (c) 2004 Published by Elsevier B.V.
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收藏
页码：477 / 481
页数：5
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