Atomic corrugation in nc-AFM of alkali halides

被引:21
作者
Bennewitz, R
Pfeiffer, O
Schär, S
Barwich, V
Meyer, E
Kantorovich, LN
机构
[1] Univ Basel, Inst Phys, CH-4058 Basel, Switzerland
[2] UCL, Dept Phys & Astron, London WC1E 6BT, England
关键词
alkali halides; atomic force microscopy; atomic resolution; nanostructures; radiation damage; mixed crystals;
D O I
10.1016/S0169-4332(01)00910-2
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
The atomic corrugation of alkali halides measured by non-contact force microscopy undergoes strong variations at low-coordinated sites like steps. We present experimental results on structured KBr surfaces and discuss the contrast mechanisms. Chemical sensitivity of the atomic corrugation is demonstrated for a mixed alkali halide crystal. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:232 / 237
页数:6
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