ADSORPTION OF NO ON NI(100)

被引：24
|
作者：
SANDELL, A
NILSSON, A
MARTENSSON, N
机构：
[1] Department of Physics, Uppsala University, S-751 21 Uppsala
来源：
SURFACE SCIENCE | 1991年 / 251卷
关键词：
D O I：
10.1016/0039-6028(91)91135-K
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 adsorption of NO on Ni(100) at different coverages and temperatures has been studied using high-resolution XPS. The core level shifts are discussed using the Z + 1 approximation and interpreted in relation to different adsorption geometries. It is concluded that the N 1s binding energy is sensitive to the molecular angle relative to the surface whereas the O 1s binding energy is more sensitive to the adsorption site. A lying-down low-coverage species was found to dissociate between 150 and 180 K whereas the onset for dissociation of a perpendicularly oriented high-coverage species was between 200 and 240 K.
引用
收藏
页码：971 / 978
页数：8
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