Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2007-07-12
Phys. Rev. Lett. 99, 246803 (2007)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages 4 figures
Scientific paper
10.1103/PhysRevLett.99.246803
The conductivity of graphene samples with various levels of disorder is investigated for a set of specimens with mobility in the range of $1-20\times10^3$ cm$^2$/V sec. Comparing the experimental data with the theoretical transport calculations based on charged impurity scattering, we estimate that the impurity concentration in the samples varies from $2-15\times 10^{11}$ cm$^{-2}$. In the low carrier density limit, the conductivity exhibits values in the range of $2-12e^2/h$, which can be related to the residual density induced by the inhomogeneous charge distribution in the samples. The shape of the conductivity curves indicates that high mobility samples contain some short range disorder whereas low mobility samples are dominated by long range scatterers.
Adam Shaffique
Bolotin Kirill
Hwang Euyheon H.
Kim Panki
Sarma Sankar Das
No associations
LandOfFree
Measurement of Scattering Rate and Minimum Conductivity in Graphene does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Measurement of Scattering Rate and Minimum Conductivity in Graphene, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Measurement of Scattering Rate and Minimum Conductivity in Graphene will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-161301