Abstract
In this article, the polyaniline embedded Cu0.5Zn0.5Fe2O4 composites with high Electromagnetic Interference (EMI) shielding effectiveness (SE) were synthesized via in situ polymerization of aniline monomer in the presence of Cu0.5Zn0.5Fe2O4 nanoparticles. Structural studies on synthesized samples were done using X-ray diffraction and Field emission scanning electron microscopy. Vibrating sample magnetometer technique is used for magnetic behavior analysis. As prepared samples exhibit hysteresis behavior in the applied magnetic field at room temperature. Shielding effectiveness and ac conductivity studies have been carried out as a function of frequency at room temperature for Polyaniline(PANI)/Cu0.5Zn0.5Fe2O4 composites. The EMI shielding effectiveness decreases with increase in applied frequency. The maximum SE value for the composites obtained at 50Hz. Higher SE value for the composites elucidates that these composites are potential materials for Electromagnetic Interference mitigation.
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