Tight-binding computation of the STM image of carbon nanotubes

被引:117
作者
Meunier, V [1 ]
Lambin, P [1 ]
机构
[1] Fac Univ Notre Dame Paix, Dept Phys, B-5000 Namur, Belgium
关键词
D O I
10.1103/PhysRevLett.81.5588
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
STM imaging of single-wall carbon nanotubes has recently been achieved with atomic resolution, revealing the chirality of the carbon network. In this work, a theoretical modeling of scanning tunneling microscopy of the nanotubes is presented, based on a tight-binding pi-electron Hamiltonian. This theory is simple enough to be used routinely for the computation of STM images and current-voltage characteristics, making it possible to investigate specific effects of the network curvature and topology such as a pentagon-heptagon pair defect.
引用
收藏
页码:5588 / 5591
页数:4
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