Abstract
We discuss various scattering mechanisms for Dirac fermions in single-layer graphene. It is shown that scattering on a short-range potential (e.g. due to neutral impurities) is mostly irrelevant for electronic quality of graphene, which is likely to be controlled by charged impurities and ripples (microscopic corrugations of a graphene sheet). The latter are an inherent feature of graphene due to its two-dimensional nature and can also be an important factor in defining the electron mean-free path. We show that certain types of ripples create a long-range scattering potential, similar to Coulomb scatterers, and result in charge-carrier mobility practically independent of carrier concentration, in agreement with experimental observations.
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Dates
Type | When |
---|---|
Created | 17 years, 9 months ago (Nov. 20, 2007, 3:11 p.m.) |
Deposited | 3 years, 11 months ago (Aug. 28, 2021, 10:43 a.m.) |
Indexed | 2 weeks, 5 days ago (Aug. 3, 2025, 6:49 p.m.) |
Issued | 17 years, 9 months ago (Nov. 19, 2007) |
Published | 17 years, 9 months ago (Nov. 19, 2007) |
Published Online | 17 years, 9 months ago (Nov. 19, 2007) |
Published Print | 17 years, 6 months ago (Jan. 28, 2008) |
@article{Katsnelson_2007, title={Electron scattering on microscopic corrugations in graphene}, volume={366}, ISSN={1471-2962}, url={http://dx.doi.org/10.1098/rsta.2007.2157}, DOI={10.1098/rsta.2007.2157}, number={1863}, journal={Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences}, publisher={The Royal Society}, author={Katsnelson, M.I and Geim, A.K}, year={2007}, month=nov, pages={195–204} }