NiFe2O4 ultrafine powder with high crystallinity has been prepared through a reverse microemulsion route. The composition in starting solution was optimized, and the resulting NiFe2O4 was formed at temperature of around 550–600 °C, which is much lower than that observed from the solid-state reaction. Magnetic investigation indicates that samples are soft magnetic materials with low coercivity and with the saturation magnetization close to the bulk value of Ni ferrite. © 2003 American Institute of Physics.
Fang, Jiye; Shama, Narayan; Tung, Le Duc; Shin, Eun Young; O’Connor, Charles J.; Stokes, Kevin L.; Caruntu, Gabriel; Wiley, John B.; Spinu, Leonard; and Tang, Jinke (2003). "Ultrafine NiFe 2 O 4 powder fabricated from reverse microemulsion process." JOURNAL OF APPLIED PHYSICS 93.10, 7483-7485.