Temperature characteristics studies of nanocrystallite SrTiO3 grain boundaries by x-ray photoelectron spectroscopy

被引：0
|
作者：
Liu, ZX [1 ]
Guo, J [1 ]
Xie, K [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, State Key Lab Surface Phys, Beijing 100080, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 1997年 / 14卷 / 12期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Strontium titanate (SrTiO3) nanocrystallite thin films have been studied by x-ray photoelectron spectroscopy st different temperature. The surface oxygen concentration and Ti/Sr ratio increase with temperature rising up to 700K, and then decrease. New Ols and Ti 3d peaks appear at the low binding energy side of the corresponding main peaks, these new peaks have some different features from the corresponding main peaks, this phenomenon was not observed in single crystal SrTiO3. A model is proposed to explain this interesting phenomenon.
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页码：928 / 931
页数：4
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