Magnetic properties of nanosized Mg0.5Mn0.5(RE)0.1Fe1.9O4 ferrites synthesized by glycol-thermal method

► Describes structural and magnetic properties of nanoferrites compounds. ► Hyperfine interactions and distributions of Fe3+ ions are deduced. ► Effects of changing atomic radii, grain size T and TA on properties are investigated. ► Correlations of some magnetic properties with de Gennes factor are investigated. ► Correlations between some structure parameters and de Gennes factor are identified.