Quantum Hall conductance of two-terminal graphene devices
Author(s)
Williams, J. R.; Abanin, Dmitry A.; DiCarlo, L.; Levitov, Leonid; Marcus, Charles M.
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Measurement and theory of the two-terminal conductance of monolayer and bilayer graphene in the quantum Hall regime are compared. We examine features of conductance as a function of gate voltage that allow monolayer, bilayer, and gapped samples to be distinguished. In particular, we analyze the distortions of quantum Hall plateaus and the conductance peaks and dips at the charge-neutrality point, which can be used to identify the incompressible densities. These results are compared to recent theory and possible origins of the discrepancy are discussed.
Date issued
2009-07Department
Massachusetts Institute of Technology. Department of PhysicsJournal
Physical Review B
Publisher
American Physical Society
Citation
Williams, J. R. et al. “Quantum Hall conductance of two-terminal graphene devices.” Physical Review B 80.4 (2009): 045408. (C) 2010 The American Physical Society.
Version: Final published version
ISSN
1098-0121
1550-235X