Single-mode and multimode Fabry-Perot interference in suspended graphene

被引：35

作者：

Oksanen, Mika ^{[1
]}

Uppstu, Andreas ^{[2
,3
]}

Laitinen, Antti ^{[1
]}

Cox, Daniel J. ^{[1
]}

Craciun, Monica F. ^{[4
]}

Russo, Saverio ^{[4
]}

Harju, Ari ^{[2
,3
]}

Hakonen, Pertti ^{[1
]}

机构：

[1] Aalto Univ, Low Temp Lab, POB 15100, FI-00076 Aalto, Finland

[2] Aalto Univ, COMP Ctr Excellence, FI-00076 Aalto, Finland

[3] Aalto Univ, Helsinki Inst Phys, Dept Appl Phys, FI-00076 Aalto, Finland

[4] Univ Exeter, Sch Phys, Ctr Graphene Sci, Exeter EX4 4QL, Devon, England

来源：

PHYSICAL REVIEW B | 2014年 / 89卷 / 12期

基金：

英国工程与自然科学研究理事会; 芬兰科学院; 欧盟第七框架计划;

关键词：

CONDUCTANCE FLUCTUATIONS; TRANSPORT; PHASE;

D O I：

10.1103/PhysRevB.89.121414

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have achieved high-quality Fabry-Perot interference in a suspended graphene device both in conductance and in shot noise. A Fourier analysis of these reveals two sets of overlapping, coexisting interference patterns, with the ratios of the resonance intervals being equal to the width to length ratio of the device. We show that these sets originate from the unique coexistence of longitudinal and transverse resonances, with the longitudinal resonances occurring due to bunching of modes with low transverse momentum. Finally, the high quality of our samples allows us to probe the interaction renormalization of the Fermi velocity as well as the coexistence of Fabry-Perot oscillations with universal conductance fluctuations.

引用

页数：5

共 38 条

[1] Imaging coherent transport in graphene (part I): mapping universal conductance fluctuations [J].

Berezovsky, J. ;

Borunda, M. F. ;

Heller, E. J. ;

Westervelt, R. M. .

NANOTECHNOLOGY, 2010, 21 (27)

[2] Temperature-dependent transport in suspended graphene [J].

Bolotin, K. I. ;

Sikes, K. J. ;

Hone, J. ;

Stormer, H. L. ;

Kim, P. .

PHYSICAL REVIEW LETTERS, 2008, 101 (09)

[3] Limits on Charge Carrier Mobility in Suspended Graphene due to Flexural Phonons [J].

Castro, Eduardo V. ;

Ochoa, H. ;

Katsnelson, M. I. ;

Gorbachev, R. V. ;

Elias, D. C. ;

Novoselov, K. S. ;

Geim, A. K. ;

Guinea, F. .

PHYSICAL REVIEW LETTERS, 2010, 105 (26)

[4] Selective transmission of Dirac electrons and ballistic magnetoresistance of n-p junctions in graphene [J].

Cheianov, Vadim V. ;

Fal'ko, Vladimir I. .

PHYSICAL REVIEW B, 2006, 74 (04)

[5] The focusing of electron flow and a Veselago lens in graphene p-n junctions [J].

Cheianov, Vadim V. ;

Fal'ko, Vladimir ;

Altshuler, B. L. .

SCIENCE, 2007, 315 (5816) :1252-1255

[6] Defect Scattering in Graphene [J].

Chen, Jian-Hao ;

Cullen, W. G. ;

Jang, C. ;

Fuhrer, M. S. ;

Williams, E. D. .

PHYSICAL REVIEW LETTERS, 2009, 102 (23)

[7] Shot noise in ballistic graphene [J].

Danneau, R. ;

Wu, F. ;

Craciun, M. F. ;

Russo, S. ;

Tomi, M. Y. ;

Salmilehto, J. ;

Morpurgo, A. F. ;

Hakonen, P. J. .

PHYSICAL REVIEW LETTERS, 2008, 100 (19)

[8] Evanescent Wave Transport and Shot Noise in Graphene: Ballistic Regime and Effect of Disorder [J].

Danneau, R. ;

Wu, F. ;

Craciun, M. F. ;

Russo, S. ;

Tomi, M. Y. ;

Salmilehto, J. ;

Morpurgo, A. F. ;

Hakonen, P. J. .

JOURNAL OF LOW TEMPERATURE PHYSICS, 2008, 153 (5-6) :374-392

[9]

Datta S., 1997, ELECT TRANSPORT MESO

[10] Approaching ballistic transport in suspended graphene [J].

Du, Xu ;

Skachko, Ivan ;

Barker, Anthony ;

Andrei, Eva Y. .

NATURE NANOTECHNOLOGY, 2008, 3 (08) :491-495

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