Surface faceting on Cu(115) induced by oxygen adsorption

被引：3
|
作者：
Reiter, S [1 ]
Taglauer, E [1 ]
机构：
[1] EURATOM Assoc, Max Planck Inst Plasmaphys, D-85748 Garching, Germany
来源：
SURFACE REVIEW AND LETTERS | 1997年 / 4卷 / 06期
关键词：
D O I：
10.1142/S0218625X97001759
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 clean Cu(115) surface shows the regular step arrangement of a vicinal surface in scanning tunneling microscopy. Upon oxygen adsorption the surface reconstructs completely. For temperatures around 500 K during or after oxygen adsorption, pronounced faceting into (104), (014) and (113) facets is observed. Details of the facet structures are analyzed. The (113) facet exhibits an additional reconstruction which can be described as a c(7 x 12) superstructure. The development of Cu-O-Cu atomic chains is suggested to be the driving force for the oxygen-induced surface reconstruction. This reconstruction is reversible; oxygen desorption re-establishes the initial (115) structure.
引用
收藏
页码：1325 / 1330
页数：6
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