Electrical conductivity of zigzag carbon nanotubes including Holstein polarons

被引：0
|
作者：
H. Rezania
机构：
[1] Razi University,Department of Physics
[2] Department of Physics,undefined
来源：
The European Physical Journal B | 2012年 / 85卷
关键词：
Solid State and Materials;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electrical conductivity of metallic zigzag carbon nanotube is investigated in the context of Holstein model using Green’s function approach. The effects of radius of carbon nanotube, temperature and electron phonon coupling strength on the electrical conductivity of zigzag nanotubes are investigated. It is seen that electrical conductivity increases as a function of temperature at low temperature and gets a maximum value then decays at high temperature. Moreover electrical conductivity increases when CNT diameter increases and decreases with electron phonon interaction strength.
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