Edge states at the interface between monolayer and bilayer graphene

被引：9
|
作者：
Hu, Zi-xiang [1 ,2 ]
Ding, Wenxin [3 ,4 ]
机构：
[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[2] Chongqing Univ, Dept Phys, Chongqing 400044, Peoples R China
[3] Florida State Univ, NHMFL, Tallahassee, FL 32306 USA
[4] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA
来源：
PHYSICS LETTERS A | 2012年 / 376卷 / 04期
基金：
美国国家科学基金会;
关键词：
Edge state; Hybrid; Dirac equation; ELECTRONIC-PROPERTIES; BERRYS PHASE; GRAPHITE; GAS;
D O I：
10.1016/j.physleta.2011.11.046
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The electronic properties for monolayer-bilayer hybrid graphene with zigzag interface are studied by both the Dirac equation and numerical calculation in zero field and in a magnetic field. Basically there are two types of zigzag interface dependent on the way of lattice stacking at the edge. Our study shows they have different locations of the localized edge states. Accordingly, the energy-momentum dispersion and local density of states behave quit differently along the interface near the Fermi energy E-F = 0. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：610 / 615
页数：6
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