Figure 3.

Static conductivity of the SRG/PVDF composites showing percolative behavior. The red solid lines are nonlinear fits to Equation 1. The conductivity takes the average value of ten samples. Inset is the plot of log σ versus log(ppc).

He and Tjong Nanoscale Research Letters 2013 8:132   doi:10.1186/1556-276X-8-132
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