ULTRALARGE ATOMICALLY FLAT TEMPLATE-STRIPPED AU SURFACES FOR SCANNING PROBE MICROSCOPY

被引：491

作者：

HEGNER, M ^{[1
]}

WAGNER, P ^{[1
]}

SEMENZA, G ^{[1
]}

机构：

[1] SWISS FED INST TECHNOL,DEPT BIOCHEM,CH-8092 ZURICH,SWITZERLAND

来源：

SURFACE SCIENCE | 1993年 / 291卷 / 1-2期

关键词：

D O I：

10.1016/0039-6028(93)91474-4

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：

We have devised a method to produce gold films with ultralarge atomically flat areas for use in scanning probe microscopy. A mean roughness of 2 angstrom for areas of 2.25 mum2 , and about 3 angstrom for 25 mum2, can be easily produced. The method is based on: (i) epitaxial growth of gold on mica; gold is thermally deposited onto freshly cleaved mica sheets, (ii) glueing the fresh gold surface to a piece of Si wafer, and (iii) chemical or consecutive mechanical stripping of the mica down to the freshly appearing gold surface (i.e., template-stripped gold). We present a detailed STM and AFM roughness study of these gold films.

引用

页码：39 / 46

页数：8

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