ATOMIC-STRUCTURE OF THE HIGH-TEMPERATURE O/W(001)-(2X1) SURFACE

被引：18
|
作者：
MEYER, JA
KUK, Y
ESTRUP, PJ
SILVERMAN, PJ
机构：
[1] BROWN UNIV,DEPT PHYS,PROVIDENCE,RI 02912
[2] AT&T BELL LABS,MURRAY HILL,NJ 07974
来源：
PHYSICAL REVIEW B | 1991年 / 44卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.44.9104
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The surface reconstruction of the W(001) surface in the presence of oxygen has been studied by scanning tunneling microscopy. A two-domain (2 x 1) structure with domain size approximately 30 angstrom was observed after the oxygen-covered surface was annealed at > 1000-degrees-C for < 1 min. Tunneling microscopy and spectroscopy results support the missing-row model for the (2 x 1) structure; the preferred location for adsorbed oxygen is either the threefold-hollow site or a site on top of a W atom in the second layer.
引用
收藏
页码：9104 / 9107
页数：4
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