Pseudo-magnetic field distribution and pseudo-Landau levels in suspended graphene flakes

M. Mucha-Kruczyński; V. I. Falko

doi:10.1016/j.ssc.2012.04.035

Pseudo-magnetic field distribution and pseudo-Landau levels in suspended graphene flakes

M. Mucha-Kruczyński^*, V. I. Falko

^*Corresponding author for this work

Lancaster University

Research output: Contribution to journal › Article › peer-review

Abstract

Combining the tight-binding approximation and linear elasticity theory for a planar membrane, we investigate stretching of a graphene flake assuming that two opposite edges of the sample are clamped by the contacts. We show that, depending on the aspect ratio of the flake and its orientation, gapped states may form in the membrane in the vicinity of the contacts. This gap in the pre-contact region should be the biggest for the armchair orientation of the flake and W/L≲1.

Original language	English
Pages (from-to)	1442-1445
Number of pages	4
Journal	Solid State Communications
Volume	152
Issue number	15
DOIs	https://doi.org/10.1016/j.ssc.2012.04.035
Publication status	Published - Aug 2012

Keywords

A. Graphene
D. Elasticity
D. Pseudo-magnetic field

Research Beacons, Institutes and Platforms

National Graphene Institute

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10.1016/j.ssc.2012.04.035

Cite this

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title = "Pseudo-magnetic field distribution and pseudo-Landau levels in suspended graphene flakes",

abstract = "Combining the tight-binding approximation and linear elasticity theory for a planar membrane, we investigate stretching of a graphene flake assuming that two opposite edges of the sample are clamped by the contacts. We show that, depending on the aspect ratio of the flake and its orientation, gapped states may form in the membrane in the vicinity of the contacts. This gap in the pre-contact region should be the biggest for the armchair orientation of the flake and W/L≲1.",

keywords = "A. Graphene, D. Elasticity, D. Pseudo-magnetic field",

author = "M. Mucha-Kruczy{\'n}ski and Falko, {V. I.}",

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T1 - Pseudo-magnetic field distribution and pseudo-Landau levels in suspended graphene flakes

AU - Mucha-Kruczyński, M.

AU - Falko, V. I.

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N2 - Combining the tight-binding approximation and linear elasticity theory for a planar membrane, we investigate stretching of a graphene flake assuming that two opposite edges of the sample are clamped by the contacts. We show that, depending on the aspect ratio of the flake and its orientation, gapped states may form in the membrane in the vicinity of the contacts. This gap in the pre-contact region should be the biggest for the armchair orientation of the flake and W/L≲1.

AB - Combining the tight-binding approximation and linear elasticity theory for a planar membrane, we investigate stretching of a graphene flake assuming that two opposite edges of the sample are clamped by the contacts. We show that, depending on the aspect ratio of the flake and its orientation, gapped states may form in the membrane in the vicinity of the contacts. This gap in the pre-contact region should be the biggest for the armchair orientation of the flake and W/L≲1.

KW - A. Graphene

KW - D. Elasticity

KW - D. Pseudo-magnetic field

UR - http://www.scopus.com/inward/record.url?scp=84863718410&partnerID=8YFLogxK

U2 - 10.1016/j.ssc.2012.04.035

DO - 10.1016/j.ssc.2012.04.035

M3 - Article

AN - SCOPUS:84863718410

SN - 0038-1098

VL - 152

SP - 1442

EP - 1445

JO - Solid State Communications

JF - Solid State Communications

IS - 15

ER -

Pseudo-magnetic field distribution and pseudo-Landau levels in suspended graphene flakes

Abstract

Keywords

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