Abstract
Fe3O4-polyaniline (Fe3O4-PANI) binary nano-composites have been prepared by in-situ polymerization of aniline monomer on surface of Fe3O4 magnetic nano-particles. The morphology, structure and magnetic performance are characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), transmission electron microscope (TEM) and vibration sample magnetism (VSM). The electro-magnetic data is tested by vector network analyzer demonstrating that the minimum reflection loss (RLmin) value of Fe3O4-PANI is -26 dB at 17 GHz with 1.5 mm thickness and 3.48 GHz (14.52 GHz~18 GHz) absorbing bandwidth (RL < -10 dB). It is believed that such composites will have a promising application in the future.
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