Figure 4: Zero field carrier density dependence of charge transfer.
From: Giant quantum Hall plateaus generated by charge transfer in epitaxial graphene
(a) Comparison of the carrier density deduced from the quantum Hall breakdown current with the values fitted with equation (6) for several measurements on samples with different zero-field carrier densities. (b) The extracted magnetic field dependence of the Fermi energy in these samples based on the magnetic field assignments for ν = 4n + 2. (c) Magnetic field dependence of jc, showing that the peak breakdown current follows B3/2 as observed in other quantum Hall systems. The solid lines show the predicted values from the fitting from equations (1) and (6).
