Growth of iron oxides on the Fe(111) surface precovered with sulphur and/or potassium

被引：9
|
作者：
Arabczyk, W
Narkiewicz, U
机构：
[1] Technical University of Szczecin, Inst. of Inorg. Chemical Technology, 70-322 Szczecin
来源：
APPLIED SURFACE SCIENCE | 1997年 / 108卷 / 03期
关键词：
D O I：
10.1016/S0169-4332(96)00608-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The oxidation process of the iron surface precovered with sulphur and/or potassium has been studied using the AES method. Sulphur has an inhibiting effect on the rate of the oxidation process at the beginning, but when the layer of the iron oxide is formed, the inhibiting effect of sulphur disappears. The oxidation of the potassium precovered iron surface occurs faster than that of the clean one. The layer of iron oxide is formed under the layer of the potassium atoms. When the iron surface is precovered with both potassium and sulphur, the oxygen atoms are adsorbed under the layer of sulphur atoms. Sulphur is bound with potassium and the K-S bond is stable during the oxidation.
引用
收藏
页码：379 / 384
页数：6
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