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Current-carrying capacity of semiconducting carbon nanotubes

被引：7
|
作者：
Chen, Yung-Fu
Fuhrer, Michael S. [1 ]
机构：
[1] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[2] Univ Maryland, Ctr Superconduct Res, College Pk, MD 20742 USA
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2006年 / 243卷 / 13期
关键词：
D O I：
10.1002/pssb.200669170
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A simple Boltzmann-equation model for charge transport in semiconducting single-walled carbon nanotubes (s-SWNTs) is developed with two adjustable parameters, the acoustic and optical phonon scattering lengths. The model predicts velocity saturation rather than current saturation in s-SWNTs at high bias, in agreement with a recent experiment. At moderate densities, the model predicts currents in s-SWNTs exceeding 25 mu A, the limiting current in long metallic single-walled carbon nanotubes. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3403 / 3407
页数：5
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