UHV-HRTEM observation of Pd clusters on Pd adsorbed Si(111) 1x1 surface

被引：3

作者：

Takeguchi, M ^{[1
]}

Mitsuishi, K ^{[1
]}

Tanaka, M ^{[1
]}

Furuya, K ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Nanomat Lab, Tsukuba, Ibaraki 3050003, Japan

来源：

SURFACE SCIENCE | 2003年 / 532卷

关键词：

electron microscopy; surface structure; morphology; roughness; and topography; silicon; palladium; clusters;

D O I：

10.1016/S0039-6028(03)00204-8

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：

Pd clusters on a Pd deposited Si(I 11) surface were observed by ultrahigh vacuum high-resolution transmission electron microscopy. Both the Pd adsorbed I x I surface layer and Pd clusters on it were visualized on the condition of an illumination beam convergence of about 3 mrad, over-focus of about -10 nm and specimen thickness less than 30 nm. Structure models for the clusters were examined so that images simulated using their models show agreement with the observed ones. It was found that the Pd trimer model, each Pd atom of which sites at the on-top of Pd atoms in the I x I surface layer, are consistent with the experimental results. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：671 / 677

页数：7

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