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Uniaxial strain is known to modify significantly the electronic properties of graphene, a carbon single layer of atomic width. Here, we study the effect of applied strain on the composite excitations arising from the coupling of charge carriers and plasmons in graphene, ie the plasmarons. Specifically, we predict that the plasmaron energy dispersion, which has been recently observed experimentally in unstrained graphene, is shifted and broadened by applied uniaxial strain. Thus, strain constitutes an additional parameter which may be useful to tune graphene properties in plasmaronic devices.
IOP Publishing
Publication date: 
30 Jul 2012

FMD Pellegrino, GGN Angilella, R Pucci

Biblio References: 
Volume: 377 Issue: 1 Pages: 012083
Journal of Physics: Conference Series