Electronic Band Structure of Carbon Nanotubes with Kekule Structure

被引：0
|
作者：
Nguyen Ngoc Hieu [1 ]
Le Cong Nhan [2 ]
机构：
[1] Center of Research and Development,Duy Tan University
[2] Department of Environmental Science,Saigon University, An Duong
来源：
Chinese Physics Letters | 2013年 / 30卷 / 09期
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摘要：
Electronic band structure of carbon nanotubes with the Kekule structure is studied by the tight-binding approximation.We give a complete geometrical approach to structural properties of carbon nanotubes with bond alternation,including chiral and achiral tubes.When the Kekule is introduced,all carbon nanotubes become semiconducting with a small band gap at the Fermi level.The band gap of the carbon nanotubes depends only on the difference between C-C bond lengths or the resonance integrals.
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页码：101 / 104
页数：4
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