Modeling disorder in graphene
Disordered Systems and Neural Networks
2008-03-25 v1 Materials Science
Abstract
We present a study of different models of local disorder in graphene. Our focus is on the main effects that vacancies -- random, compensated and uncompensated --, local impurities and substitutional impurities bring into the electronic structure of graphene. By exploring these types of disorder and their connections, we show that they introduce dramatic changes in the low energy spectrum of graphene, viz. localized zero modes, strong resonances, gap and pseudogap behavior, and non-dispersive midgap zero modes.
Keywords
Cite
@article{arxiv.0712.0806,
title = {Modeling disorder in graphene},
author = {Vitor M. Pereira and J. M. B. Lopes dos Santos and A. H. Castro Neto},
journal= {arXiv preprint arXiv:0712.0806},
year = {2008}
}
Comments
16 pages, lower resolution figures