Chemically Induced Mobility Gaps in Graphene Nanoribbons: A Route for Upscaling Device Performances

被引：90

作者：

Biel, Blanca ^{[1
,2
]}

Triozon, Francois ^{[2
]}

Blase, X. ^{[3
,4
]}

Roche, Stephan ^{[1
,5
]}

机构：

[1] CEA, INAC SP2M L Sim, F-38054 Grenoble 9, France

[2] CEA, LETI, MINATEC, F-38054 Grenoble, France

[3] CNRS, Inst Neel, F-38042 Grenoble 09, France

[4] Univ Grenoble 1, F-38042 Grenoble 09, France

[5] Tech Univ Dresden, Inst Mat Sci, D-01062 Dresden, Germany

来源：

NANO LETTERS | 2009年 / 9卷 / 07期

关键词：

CARBON NANOTUBES; TRANSISTORS; ZIGZAG; STATE;

D O I：

10.1021/nl901226s

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a first-principles based study of mesoscopic quantum transport in chemically doped graphene nanoribbons with a width up to 10 nm. The occurrence of quasi-bound states related to boron impurities results in mobility gaps as large as 1 eV, driven by strong electron-hole asymmetrical backscattering phenomena. This phenomenon opens new ways to overcome current limitations of graphene-based devices through the fabrication of chemically doped graphene nanoribbons with sizes within the reach of conventional lithography.

引用

页码：2725 / 2729

页数：5

共 51 条

[31] Electronic and transport properties of boron-doped graphene nanoribbons [J].

Martins, T. B. ;

Miwa, R. H. ;

da Silva, Antonio J. R. ;

Fazzio, A. .

PHYSICAL REVIEW LETTERS, 2007, 98 (19)

[32] Giant intrinsic carrier mobilities in graphene and its bilayer [J].

Morozov, S. V. ;

Novoselov, K. S. ;

Katsnelson, M. I. ;

Schedin, F. ;

Elias, D. C. ;

Jaszczak, J. A. ;

Geim, A. K. .

PHYSICAL REVIEW LETTERS, 2008, 100 (01)

[33] Conductance quantization and transport gaps in disordered graphene nanoribbons [J].

Mucciolo, E. R. ;

Castro Neto, A. H. ;

Lewenkopf, C. H. .

PHYSICAL REVIEW B, 2009, 79 (07)

[34] Edge state in graphene ribbons: Nanometer size effect and edge shape dependence [J].

Nakada, K ;

Fujita, M ;

Dresselhaus, G ;

Dresselhaus, MS .

PHYSICAL REVIEW B, 1996, 54 (24) :17954-17961

[35] Electric field effect in atomically thin carbon films [J].

Novoselov, KS ;

Geim, AK ;

Morozov, SV ;

Jiang, D ;

Zhang, Y ;

Dubonos, SV ;

Grigorieva, IV ;

Firsov, AA .

SCIENCE, 2004, 306 (5696) :666-669

[36] Electronic transport in locally gated graphene nanoconstrictions [J].

Oezyilmaz, Barbaros ;

Jarillo-Herrero, Pablo ;

Efetov, Dmitri ;

Kim, Philip .

APPLIED PHYSICS LETTERS, 2007, 91 (19)

[37] Electronic transport and quantum hall effect in bipolar graphene p-n-p junctions [J].

Oezyilmaz, Barbaros ;

Jarillo-Herrero, Pablo ;

Efetov, Dmitri ;

Abanin, Dmitry A. ;

Levitov, Leonid S. ;

Kim, Philip .

PHYSICAL REVIEW LETTERS, 2007, 99 (16)

[38]

PANCHAKARLA LS, ARXIV09023077V1

[39] Anisotropic behaviours of massless Dirac fermions in graphene under periodic potentials [J].

Park, Cheol-Hwan ;

Yang, Li ;

Son, Young-Woo ;

Cohen, Marvin L. ;

Louie, Steven G. .

NATURE PHYSICS, 2008, 4 (03) :213-217

[40] Electronic properties of disordered two-dimensional carbon [J].

Peres, NMR ;

Guinea, F ;

Castro Neto, AH .

PHYSICAL REVIEW B, 2006, 73 (12)

← 1 2 3 4 5 6 →