Figure 2 | Scientific Reports

Figure 2

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

Figure 2

ES-VRH behaviors of CPA and CPANI nanofibers.

(a) The temperature dependence of the Ohmic conductance at low bias voltages follows the ES-VRH, G(T) ∝ exp[−(T0/T)]1/2 at T < 180 K and deviates from the ES-VRH at T > 180 K. (b) The bias electric field dependence of the non-Ohmic conductance at low temperatures (T < 10 K) and high voltages (V > ~ 1 V) shows the characteristic of the ES-VRH, G(E) ∝ exp[−(E0/E)]1/2.

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