Abstract
Ni/poly(aniline-co-m-toluidine) nanocomposites were synthesized by in situ chemical oxidative polymerization of aniline with m-toluidine monomer in the presence of Ni powder, with ammonium persulfate (APS) as oxidant and citric acid (C6H8O7) as dopant. The structural, morphological and magnetic properties of these composites were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and superconducting quantum interference device magnetometer (SQUID). The results indicated that there is no chemical interaction between Ni powder and protonated copolymer, and Ni/poly(aniline-co-m-toluidine) nanocomposites displayed a ferromagnetic behavior with saturation magnetization strength and coercivity of 28.4emu/g and 105.8Oe at room temperature. The prepared composites were soft and ferromagnetic materials.
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