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

Mucha Kruczynski, Marcin and Falko, Vladimir (2012) Pseudo-magnetic field distribution and pseudo-Landau levels in suspended graphene flakes. Solid State Communications, 152 (15). pp. 1442-1445. ISSN 0038-1098

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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 less than or similar to 1.

Item Type:
Journal Article
Journal or Publication Title:
Solid State Communications
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
63609
Deposited By:
Deposited On:
22 Apr 2013 10:06
Refereed?:
Yes
Published?:
Published
Last Modified:
13 May 2020 02:07