Metastable ordered arrays of size-selected Ag clusters on graphite

被引：26

作者：

Couillard, M ^{[1
]}

Pratontep, S ^{[1
]}

Palmer, RE ^{[1
]}

机构：

[1] Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England

来源：

APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 16期

关键词：

D O I：

10.1063/1.1568165

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We employ high-resolution transmission electron microscopy to explore the deposition of large size-selected Ag-N clusters (N=1100 to 5000 atoms) on the model graphite surface. We find that Ag-5000 clusters (only) form metastable, ordered arrays, nucleated at surface defects, which are stable for at least a day. The results suggest that the cluster coalescence is strongly dependent on cluster size, and that it should be possible to fabricate large-scale, two-dimensional, and metastable arrays of clusters in the size regime 5-10 nm. (C) 2003 American Institute of Physics.

引用

页码：2595 / 2597

页数：3

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