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Conductance fluctuations and field asymmetry of rectification in graphene
C. Ojeda-Aristizabal, M. Monteverde, R. Weil +3
We investigate conductance fluctuations as a function of carrier density and magnetic field in diffusive mesoscopic samples made from monolayer and bilayer graphene. We show th…
Tuning the proximity effect in a superconductor-graphene-superconductor junction
C. M. Ojeda-Aristizabal, M. Ferrier, S. Gueron +1
We have tuned in situ the proximity effect in a single graphene layer coupled to two Pt/Ta superconducting electrodes. An annealing current through the device changed the transmiss…
Transport and elastic scattering times as probes of the nature of impurity scattering in single and bilayer graphene
M. Monteverde, C. Ojeda-Aristizabal, R. Weil +7
Both transport and elastic scattering times are experimentally determined from the carrier density dependence of the magnetoconductance of monolayer and bilayer gr…