Figure 1.

Dielectric permittivity, conductivity (σ) and loss tangent (tg (δ)) as a function of frequency. These were measured at room temperature, for (left) CNT/PDMS and (right) FGS/PDMS composites at various filler concentrations.

Romasanta et al. Nanoscale Research Letters 2011 6:508   doi:10.1186/1556-276X-6-508
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