Electrons in bilayer graphene

被引：163

作者：

McCann, Edward ^{[1
]}

Abergel, David S. L. ^{[1
]}

Fal'ko, Vladimir I. ^{[1
]}

机构：

[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

来源：

SOLID STATE COMMUNICATIONS | 2007年 / 143卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

nanostructures; electronic band structure; optical properties; electronic transport;

D O I：

10.1016/j.ssc.2007.03.054

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Electrons in bilayer graphene possess an unusual property: they are chiral quasiparticles characterized by Berry phase 2 pi. We review the tight-binding model of bilayer graphene which determines the band structure and low-energy quasiparticle properties of this material and we describe the optical manifestation of the existence of a pair of split-bands and low-energy branches in the bilayer spectrum. Then, we analyze the stability of a bilayer with respect to a ferroelectric transition and we model the self-consistent control of the interlayer asymmetry gap induced by a transverse electric field in a graphene-based field-effect transistor. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：110 / 115

页数：6

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