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Chaotic Dirac billiard in graphene quantum dots
L. A. Ponomarenko, F. Schedin, M. I. Katsnelson +4
We report on transport characteristics of quantum dot devices etched entirely in graphene. At large sizes, they behave as conventional single-electron transistors, exhibiting perio…
Giant Intrinsic Carrier Mobilities in Graphene and Its Bilayer
S. V. Morozov, K. S. Novoselov, M. I. Katsnelson +4
We have studied temperature dependences of electron transport in graphene and its bilayer and found extremely low electron-phonon scattering rates that set the fundamental limit on…
Raman Fingerprint of Charged Impurities in Graphene
C. Casiraghi, S. Pisana, K. S. Novoselov +2
We report strong variations in the Raman spectra for different single-layer graphene samples obtained by micromechanical cleavage, which reveals the presence of excess charges, eve…
Electrochemically Top Gated Graphene: Monitoring Dopants by Raman Scattering
A. Das, S. Pisana, S. Piscanec +8
We demonstrate electrochemical top gating of graphene by using a solid polymer electrolyte. This allows to reach much higher electron and hole doping than standard back gating. In-…
The electronic properties of graphene
A. H. Castro Neto, F. Guinea, N. M. R. Peres +2
This article reviews the basic theoretical aspects of graphene, a one atom thick allotrope of carbon, with unusual two-dimensional Dirac-like electronic excitations. The Dirac elec…
Rayleigh Imaging of Graphene and Graphene Layers
C. Casiraghi, A. Hartschuh, E. Lidorikis +5
We investigate graphene and graphene layers on different substrates by monochromatic and white-light confocal Rayleigh scattering microscopy. The image contrast depends sensitively…