Phonon and structural changes in deformed Bernal stacked bilayer graphene.
Nano Lett
; 12(2): 687-93, 2012 Feb 08.
Article
in En
| MEDLINE
| ID: mdl-22165946
ABSTRACT
We present the first Raman spectroscopic study of Bernal bilayer graphene flakes under uniaxial tension. Apart from a purely mechanical behavior in flake regions where both layers are strained evenly, certain effects stem from inhomogeneous stress distribution across the layers. These phenomena such as the removal of inversion symmetry in bilayer graphene may have important implications in the band gap engineering, providing an alternative route to induce the formation of a band gap.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Phonons
/
Graphite
/
Membranes, Artificial
Language:
En
Journal:
Nano Lett
Year:
2012
Document type:
Article
Affiliation country:
Czech Republic