Mechanosynthesis and magnetic characterization of nanocrystalline manganese ferrites
作者： Ana M. Bolarín-Miró , Pedro Vera-Serna , Félix Sánchez-De Jesús , Claudia A. Cortés-Escobedo , Antonia Martínez-Luevanos
DOI: 10.1007/S10854-010-0257-X
关键词: Spinel 、 Materials science 、 Mechanosynthesis 、 Nanocrystalline material 、 Magnetometer 、 Manganese ferrite 、 Manganese 、 Metallurgy 、 Analytical chemistry
摘要: Manganese ferrites, MnFe2O4±δ, synthesized via mechanosynthesis from different manganese sources, MnO, Mn2O3 and MnO2, mixed with Fe2O3, were studied. XRD, SEM magnetometry used to characterize the powders. The MnFe2O4 spinel phase appeared after 12 h of milling when MnO MnO2 Fe2O3 as precursors showed maximum saturation magnetization value (49.77 emu/g). ferrite did not form was used. obtained lowest value. An increase in time promoted values.
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