Au induced regular ordered striped domain wall structure of a (5 x 3) reconstruction on Si(001) studied by STM and SPA-LEED

被引:18
作者
Hild, R [1 ]
Heringdorf, FJMZ [1 ]
Zahl, P [1 ]
Horn-von Hoegen, M [1 ]
机构
[1] Univ Hannover, Inst Festkorperphys, D-30167 Hannover, Germany
关键词
gold; low energy electron diffraction (LEED); scanning tunneling microscopy; silicon; vicinal single crystal surfaces;
D O I
10.1016/S0039-6028(00)00192-8
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
Au adsorption on Si(001) above 850 degrees C results in the formation of a regular ordered striped domain wall structure of a commensurate (5 x 3) reconstruction. The domain walls could be described by (root 29 x 3) unit cells separating anti-phase (5 x 3) domains of a typical width of 39 Angstrom. Each domain wall shifts the translational vector between neighbouring (5 x 3) domains by one surface unit. This results in a complex LEED pattern quoted as a (5 x 3.2) structure. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:851 / 855
页数:5
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