THEORETICAL INVESTIGATION OF THE SCANNING TUNNELING MICROSCOPE IMAGE OF GRAPHITE

被引：13
|
作者：
LAWUNMI, D
PAYNE, MC
机构：
[1] Cavendish Lab., Cambridge Univ.
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1990年 / 2卷 / 16期
关键词：
D O I：
10.1088/0953-8984/2/16/011
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The effects of tunnelling from the p states of the scanning microscope tip are considered. In the case of the graphite surface, it is shown that an appreciable tunnel current flows to the px and py components of the tip wavefunction and that this tunnel current significantly reduces the amplitude of the corrugations that should be measured on this surface. The results also show that the giant corrugations observed in scanning tunnelling microscope images of graphite cannot be explained by a tunnelling model.
引用
收藏
页码：3811 / 3821
页数：11
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