Sintering Effect on Magnetite-to-Hematite Structural Conversion of As-Prepared Fe2+Cr0.2Fe1.8O4 Nano-Ferrites
This research presents effect of sintering temperature T and structural transition process on magnetic and optical properties of as-prepared magnetite Fe2+Cr0.2Fe1.8O4 nanoferrites which synthesized by Co-precipitation method and sintered at different T. Structural phase of crystal lattice was converted from-cubic magnetite-to-maghemite-to-hexagonal hematite with T. Specific surface area S revealed decrease against crystallite size R. Saturation magnetization MS proved dependence on R and porosity P. Strain behavior Ԑ enhanced band gap energy Eg.
M.A. Amer et al., "Sintering Effect on Magnetite-to-Hematite Structural Conversion of As-Prepared Fe2+Cr0.2Fe1.8O4 Nano-Ferrites", Key Engineering Materials, Vol. 765, pp. 24-29, 2018