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Ordered states of adatoms on graphene
Vadim V. Cheianov, Olav Syljuasen, Boris L. Altshuler +1
We show that a dilute ensemble of epoxy-bonded adatoms on graphene has a tendency to form a spatially correlated state accompanied by a gap in graphene's electron spectrum. This ef…
Quantum Resistance Standard Based on Epitaxial Graphene
Alexander Tzalenchuk, Samuel Lara-Avila, Alexei Kalaboukhov +7
We report development of a quantum Hall resistance standard accurate to a few parts in a billion at 300 mK and based on large area epitaxial graphene. The remarkable precision cons…
SiC Graphene Suitable For Quantum Hall Resistance Metrology
Samuel Lara-Avila, Alexei Kalaboukhov, Sara Paolillo +5
We report the first observation of the quantum Hall effect in epitaxial graphene. The result described in the submitted manuscript fills the yawning gap in the understanding of the…
Signature of electronic excitations in the Raman spectrum of graphene
Oleksiy Kashuba, Vladimir I. Fal'ko
Inelastic light scattering from Dirac-type electrons in graphene is shown to be dominated by the generation of the inter-band electronic modes which are odd in terms of time-invers…
The effect of the electron-electron interaction on the Lifshitz transition density in bilayer graphene
Csaba Toke, Vladimir I. Fal'ko
We study the renormalization of the effective mass and trigonal warping of bilayer graphene by the electron-electron interaction. One consequence of such a renormalization in the l…
Polarization freezing of 10000 optically-cooled nuclear spins by coupling to a single electron
E. A. Chekhovich, M. N. Makhonin, J. Skiba-Szymanska +5
The nature of the nano-scale environment presents a major challenge for solid-state implementation of spin-based qubits. In this work, a single electron spin in an optically pumped…