Metal induced step arrangement on Si(111) surface observed by LEED

被引：5
|
作者：
Urano, T [1 ]
Watanabe, K [1 ]
Hongo, S [1 ]
机构：
[1] Kobe Univ, Fac Engn, Kobe, Hyogo 6578501, Japan
来源：
APPLIED SURFACE SCIENCE | 2001年 / 169卷
关键词：
Si(111); Ba; low energy electron diffraction (LEED); step arrangement; reconstruction;
D O I：
10.1016/S0169-4332(00)00645-0
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：
Adsorbed structures of Ba on Si(1 1 1) surfaces have been observed by LEED. In elevating the annealing temperature after a few monolayers (MLs) deposition at room temperature (root3 x 2 root3)R30 degrees, 2 x 8 and 3 x 1 patterns were observed as reported by Weitering [H.H. Weltering, Surf. Sci. 355 (1996) L271]. Additionally a one-dimensional 10 x 1 pattern was observed in the temperature range between the appearance of two-dimensional 2 x 8 and 3 x 1 patterns. This pattern is considered to be produced by a combination of the periodical terrace with a width of 10 unit lengths separating each step and a 5 x 1 reconstruction on the terrace. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：88 / 92
页数：5
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