A NEW WEAK ITINERANT FERROMAGNET Fe₂N

Fe₂N has been identified as a new weak itinerant ferromagnet by magnetic measurements. It has the highest ratio q_c/q_s of effective atomic moment q_c to the atomic moment q_s, and a low Curie temperature T_c = 7K. The magnetic properties were analysed according to the Stoner-Edwards-Wohlfarth (SEW) model, which give results, in agreement with the magnetization and susceptibility measured at temperatures below T_c.