Electron transport and velocity oscillations in a carbon nanotube

被引：56
|
作者：
Akturk, Akin [1 ]
Pennington, Gary
Goldsman, Neil
Wickenden, Alma
机构：
[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA
[2] Army Res Lab, Adelphi, MD 20793 USA
来源：
IEEE TRANSACTIONS ON NANOTECHNOLOGY | 2007年 / 6卷 / 04期
关键词：
carbon nanotubes; electron transport; Monte Carlo methods; terahertz oscillations; PHONON-SCATTERING; MONTE-CARLO; TRANSISTORS; MOBILITY;
D O I：
10.1109/TNANO.2007.896968
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report Monte Carlo (MC) simulation results showing applied bias dependent spatial velocity oscillations for semiconducting single-walled zig-zag carbon nanotubes (CNTs). MC simulations show velocity oscillations in CNTs at different lengths due to high scattering rates associated with optical phonon emissions in the one-dimensional CNT system. The frequencies of these oscillations are as high as 30 THz. In addition, we investigate average ensemble electron velocities as a function of tube length.
引用
收藏
页码：469 / 474
页数：6
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