Microemulsion-mediated in-situ synthesis and magnetic characterization of polyaniline/Zn0.5Cu0.5Fe2O4 nanocomposite |
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Authors: | Jing Jiang Lun-Hong Ai |
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Affiliation: | (1) College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China |
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Abstract: | Polyaniline/Zn0.5Cu0.5Fe2O4 nanocomposite was synthesized by a simple, general and inexpensive in-situ polymerization method in w/o microemulsion. The effects of polyaniline coating on the magnetic properties of Zn0.5Cu0.5Fe2O4 nanoparticles were investigated. The structural, morphological and magnetic properties of as-prepared samples were characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectra, scanning electron microscopy (SEM) and magnetic measurements. The morphology analysis confirmed that polyaniline was deposited on the porous surface of magnetic Zn0.5Cu0.5Fe2O4. It was shown that the saturation magnetization and coercivity of Zn0.5Cu0.5Fe2O4 decreased after polyaniline coating, which can be interpreted by the interparticle dipole–dipole interactions that contributed to magnetic anisotropy and changed the magnetic properties of the nanoparticles. PACS 74.25.Ha; 81.05.-t; 81.05.Lg |
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