Fig1_data.mat contains all the data to generate Fig.1, including the mobility-density, the percolation fit, and the scatter plot for sample A  G

 Vg [V] is the accumulation gate for each device
 rho0 [Ohm/sq.] is the zero-field longitudinal magnetoresistance as a function of density for each device
 density [cm^-2] is the 2DEG density from low-field Hall effect from each device
 mobility [cm^2/Vs] is the carrier mobility as a function of density for each device
 max_mobility [cm^2/Vs] is the maximum mobility for each device
 mobility_mean [cm^2/Vs] is the average maximum mobility across all devices
 mobility_std [cm^2/Vs] is the maximum mobility standard deviation across all devices
 percolation_density [cm^-2] is the percolation density for each device
 percolation_density_err [cm^-2] is the 2sigma error on percolation density fit 
 percolation_density_mean [cm^-2] is the average percolation density across all devices
 percolation_density_std [cm^-2] is the percolation density standard deviation across all devices
 percolation_density_fitting_range [cm^-2] is the density range used for the percolation density fit
 percolation_density_parameter is the parameter fit A for percolation density fit sigma = A(n-np)^p
 percolation_density_parameter_err is the 2sigma error on percolation density fit parameter A
 sigma [e^2/h] is the conductance as a function of density for each device
 sigma_fit_x [cm^-2] and sigma_fit_y [e^2/h] are the percolation density fit density and sigma, respectively
