Abstract
Electric capacitors are manufactured having as dielectric materials cotton fabric-based membranes reinforced with silicone oil (), carbonyl iron (), graphene nanoparticles (nGr; and respectively ) and silicone rubber ( and respectively ). The equivalent capacitance (Cp) and resistance (Rp) of the capacitors are measured using an RLC bridge at a frequency of and for magnetic field intensities . From the functions and we obtain the real () and imaginary () components of the complex relative dielectric permittivity , the electrical conductivity σ, and viscosity η of the membranes. We show that , , σ and η increase with H and they are sensibly influenced by Φ. We present and discuss the obtained results.
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