Electronic properties of curved graphene sheetsA. Cortijo1 and M. A. H. Vozmediano2
1 Unidad Asociada CSIC-UC3M, Instituto de Ciencia de Materiales de Madrid CSIC - Cantoblanco E-28049 Madrid, Spain
2 Unidad Asociada CSIC-UC3M, Universidad Carlos III de Madrid - E-28911 Leganés, Madrid, Spain
received 20 November 2006; accepted in final form 14 December 2006; published February 2007
published online 12 February 2007
A model is proposed to study the electronic structure of slightly curved graphene sheets with an arbitrary number of pentagon-heptagon pairs and Stone-Wales defects based on a cosmological analogy. The disorder induced by curvature produces characteristic patterns in the local density of states that can be observed in scanning tunnel and transmission electron microscopy.
75.10.Jm - Quantized spin models .
75.10.Lp - Band and itinerant models .
75.30.Ds - Spin waves .
© Europhysics Letters Association 2007