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From One Electron to One Hole: Quasiparticle Counting in Graphene Quantum Dots Determined by Electrochemical and Plasma Etching
S. Neubeck, L. A. Ponomarenko, F. Freitag +6
Graphene is considered to be a promising material for future electronics. The envisaged transistor applications often rely on precision cutting of graphene sheets with nanometer ac…
Density of states and zero Landau level probed through capacitance of graphene
L. A. Ponomarenko, R. Yang, R. V. Gorbachev +4
We report capacitors in which a finite electronic compressibility of graphene dominates the electrostatics, resulting in pronounced changes in capacitance as a function of magnetic…
On resonant scatterers as a factor limiting carrier mobility in graphene
Z. H. Ni, L. A. Ponomarenko, R. R. Nair +8
We show that graphene deposited on a substrate has a non-negligible density of atomic scale defects. This is evidenced by a previously unnoticed D peak in the Raman spectra with in…