Scanning tunneling microscopy of laser excited graphite

被引：3
|
作者：
Möltgen, H [1 ]
Donkels, E [1 ]
Bettermann, H [1 ]
Kleinermanns, K [1 ]
机构：
[1] Univ Dusseldorf, Inst Phys Chem & Electrochem, D-40225 Dusseldorf, Germany
来源：
MATERIALS LETTERS | 2000年 / 45卷 / 02期
关键词：
HOPG; laser excitation; scanning tunneling microscopy;
D O I：
10.1016/S0167-577X(00)00076-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Under normal scanning conditions, only each second carbon atom of the top layer of highly-oriented pyrolytic graphite (HOPG) is usually visible in scanning tunneling microscopy (STM). When irradiating HOPG with a HeNe laser light (623 nm), each carbon atom of the top layer is visible and the STM image changes from trigonal to hexagonal symmetry. This effect is reversible by simply interrupting the laser light flux. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：63 / 67
页数：5
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