THE USE OF FORWARD FOCUSED PHOTOELECTRONS IN ANALYSIS OF AN ALLOY SURFACE - CUPD[85-15](110)

被引：3
|
作者：
NEWTON, MA [1 ]
FRANCIS, SM [1 ]
BOWKER, M [1 ]
机构：
[1] UNIV LIVERPOOL,LEVERHULME CTR INNOVAT CATALYSIS,LIVERPOOL L69 3BX,ENGLAND
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1991年 / 3卷
关键词：
D O I：
10.1088/0953-8984/3/S/023
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The thermally induced transition from the (1 x 1) surface, produced after low-temperature sputtering of the CuPd[85:15]{110} surface, to a (2 x 1) ordered phase, has been studied using the variation of the intensity of the Pd 3d5/2 photoelectron line as a function of polar angle in the {112} azimuth. The applicability of the use of the forward scattering of core level photoelectrons to alloy surfaces is discussed. The results indicate that the transition from the high background (1 x 1) LEED pattern to the ordered (2 x 1) is not accompanied by a significant redistribution of Pd in the selvedge save for a removal of Pd from the uppermost layer. Comparisons are made with the behaviour of the analogous Cu3Au{110} surface.
引用
收藏
页码：S139 / S142
页数：4
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