Transport in armchair graphene nanoribbons modulated by magnetic barriers

被引：7
|
作者：
Myoung, Nojoon [1 ]
Ihm, G. [1 ]
Lee, S. J. [2 ]
机构：
[1] Chungnam Natl Univ, Dept Phys, Taejon 305764, South Korea
[2] Dongguk Univ, Quantum Funct Semicond Res Ctr, Seoul 100715, South Korea
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2010年 / 42卷 / 10期
关键词：
Graphene nanoribbon; Magnetic barrier; 1-D transport; ELECTRONS;
D O I：
10.1016/j.physe.2009.12.020
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, we investigated the one-dimensional transport in armchair graphene nanoribbons (AGNRs) modulated by a magnetic barrier structure. The conductance as a function of Fermi energy shows a step-like increase by the height of 4e(2)/h with characteristic oscillations associated with tunneling resonances. The results turn out to be sensitive to the boundary conditions. In addition, we discussed bound states which exist in the region of the magnetic structure. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2808 / 2811
页数：4
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