Figure 3
From: Apparent Power Law Scaling of Variable Range Hopping Conduction in Carbonized Polymer Nanofibers

Universal scaling of CPA and CPANI nanofibers.
I/T1+ α vs eV/kBT plot of both CPA (a) and CPANI (b) nanofibers. Inset shows power law dependence of Ohmic conductance, G(T) ∝ Tα in both CPA (a) and CPANI (b) nanofibers. Fit to Eq. 1 (black curves) gives fitting parameters I0, β, and γ.