Magnetic properties of Ni 3Fe intermetallic compound obtained by mechanical alloying

Nanocrystalline Ni ₃Fe intermetallic compound was obtained by mechanical alloying in argon atmosphere. The nanocrystallites size (12.5±2.0 nm) was determined by X-ray diffraction performed on an annealed sample. The Curie temperature measurements prove the presence of the Ni ₃Fe phase. From magnetisation curves was evidenced the dependence of the susceptibility and spontaneous magnetisation at 4 and 302 K on the milling time.