Electronic and Transport Properties of DNA-based Nanowires

被引：0
|
作者：
Joe, Yong S. [1 ]
Lee, Sun H. [1 ]
Hedin, Eric R. [1 ]
机构：
[1] Ball State Univ, Ctr Computat Nanosci, Dept Phys & Astron, Muncie, IN 47306 USA
来源：
PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS | 2011年 / 1399卷
关键词：
DNA molecule; Electron transport; Aharonov-Bohm oscillations; MOLECULES;
D O I：
10.1063/1.3666640
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 study theoretically the transport properties through the quasi-one-dimensional (Q1D) one-channel DNA model and two-dimensional (2D) four-channel DNA model. We use a tight-binding (TB) technique to investigate the transmission, current-voltage characteristics, the differential conductance, and localization length as a function of incoming electron energy and magnetic flux. We find that the behavior of the transmission coefficients varies depending on the parameters of the backbone onsite energy, hopping integral from bases to backbone, and hydrogen bonds. Further, the fluctuations in the twisting angle from the temperature effects and the Aharonov-Bohm (AB) magnetic flux effect cause suppression and oscillations in the transmission.
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页数：2
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