Impact of Vacancies on Diffusive and Pseudodiffusive Electronic Transport in Graphene

被引：3

作者：

Cresti, Alessandro ^{[1
,2
]}

Louvet, Thibaud ^{[3
,4
]}

Ortmann, Frank ^{[3
]}

Van Tuan, Dinh ^{[3
]}

Lenarczyk, Pawel ^{[3
,5
]}

Huhs, Georg ^{[6
]}

Roche, Stephan ^{[3
,7
]}

机构：

[1] Grenoble INP Minatec, Inst Microelect Electromagnetisme & Photon, F-380166 Grenoble, France

[2] Grenoble INP Minatec, UJF 5130, INPG, UMR CNRS,IMEP LAHC, F-380166 Grenoble, France

[3] Univ Autonoma Barcelona, Catalan Inst Nanotechnol CIN2, Bellaterra 08193, Spain

[4] Ecole Normale Super Lyon, F-69007 Lyon, France

[5] Tech Univ Lodz, Inst Phys, PL-93005 Lodz, Poland

[6] BSC, Barcelona 08034, Spain

[7] ICREA, Barcelona 08070, Spain

来源：

CRYSTALS | 2013年 / 3卷 / 02期

关键词：

graphene; vacancies; quantum transport; DISORDERED GRAPHENE; QUANTUM TRANSPORT; CONDUCTIVITY; MAGNETISM; ROUTE;

D O I：

10.3390/cryst3020289

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We present a survey of the effect of vacancies on quantum transport in graphene, exploring conduction regimes ranging from tunnelling to intrinsic transport phenomena. Vacancies, with density up to 2%, are distributed at random either in a balanced manner between the two sublattices or in a totally unbalanced configuration where only atoms sitting on a given sublattice are randomly removed. Quantum transmission shows a variety of different behaviours, which depend on the specific system geometry and disorder distribution. The investigation of the scaling laws of the most significant quantities allows a deep physical insight and the accurate prediction of their trend over a large energy region around the Dirac point.

引用

页码：289 / 305

页数：17

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