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Appl. Sci. 2014, 4(2), 207-239;

Intra- and Interlayer Electron-Phonon Interactions in 12/12C and 12/13C BiLayer Graphene

Department of Electrical Engineering and Computer Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA
Department of Physics and Astronomy, The University of Alabama, Tuscaloosa, AL 35487, USA
Author to whom correspondence should be addressed.
Received: 12 March 2014 / Revised: 8 April 2014 / Accepted: 8 April 2014 / Published: 29 April 2014
(This article belongs to the Special Issue Towards Applications of Graphene)
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This review focuses on intra- and interlayer (IL) electron-phonon interactions and phonon self-energy renormalizations in twisted and AB-stacked bilayer graphene (2LG) composed either only of 12C or a mixing of 12C and 13C isotopes. A simple way to imagine a 2LG is by placing one monolayer graphene (1LG) on top of another 1LG. The orientation of one of the layers with relation to the other may originate a twisted 2LG system (known as turbostratic) as well as a AB-stacked system, also known as Bernal stacking. By rotating the layers of a 2LG one can departure from a fully misoriented system to achieve the AB-stacked configuration and their IL interactions can be dramatically different being close to zero in a fully misoriented system and maximum in an AB-stacked system. Interlayer interactions are expected to slightly perturb the intralayer phonons and they also govern the low-energy electronic and vibrational properties, which are of primary importance to phenomena such as transport, infrared (IR) optics and telecommunication bands in the IR range. Therefore, a comprehensive discussion combining intra- and interlayer phenomena is necessary and addressed throughout the text. View Full-Text
Keywords: bilayer graphene; interlayer interaction; electron-phonon coupling bilayer graphene; interlayer interaction; electron-phonon coupling
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Mafra, D.L.; Araujo, P.T. Intra- and Interlayer Electron-Phonon Interactions in 12/12C and 12/13C BiLayer Graphene. Appl. Sci. 2014, 4, 207-239.

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