3th WCSET-2014 at Nepal

 

Special Session at Ho Chi Minh City University of Technology, Vietnam:

Title:            Preparation and Characterization of Spinel Co-doped MnAl2O4 Obtained by Sol-gel Method
Authors:       Hoang-Anh Dao, Ken-Hirota, Masaki-Kato, Minh-Vien Le, Ha Huynh-Ky-Phuo
Abstract:     Nanocrystalline of Mn(Al1–xCox)2O4, where x = 0, 0.1, 0.2, 0.3,0.5 were synthesized by EDTA-NH3 sol-gel method. The spinel cubic phase formation of samples was confirmed by X-ray diffraction (XRD). All Bragg lines observed in XRD patterns are belong to cubic spinel structure. Transmission Electron Microscopy (TEM) technique was used to study the surface morphology of the samples. To the best of our knowledge, nobody has achieved the single phase and studied for magnetic properties of nanocrystalline Co-doped MnAl2O4. Here, the magnetic property of the Mn(Al1–xCox)2O4, nanoparticles was studied through ZFC and FC curves using MPMS SQUID Magnetometer. The results show that Co-doped MnAl2O4 can be obtained at low calcination temperature 600oC with permeability increasing proportional as calcination time.

Keywords:   Galaxite,Co-doped MnAl2O4, magnetic materials, spinel materials
Pages:         709-715

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