Crystallinity and magnetic properties dependence on sintering temperature and soaking time of mechanically alloyed nanometer-grain Ni0.5Zn0.5Fe2O4

►The physical and phase evolution of Ni0.5Zn0.5Fe2O4 are reported. ► The samples were subjected to various sintering temperatures and soaking times. ► Ms and Tc as a function of sintering temperature are presented and discussed. ► Increase of sintering temperature and soaking time would influence the magnetic properties. ► 700-800 °C is critical for the development of the strong bulk magnetic properties.