Nanoparticle of a nickel-iron alloy

Patent Pending PROBLEM TO BE SOLVED: To provide a method for producing a nanoparticle of a nickel-iron alloy with high saturation magnetization, which can easily and inexpensively produce the nano-sized particle of the nickel-iron alloy with the high saturation magnetization, and to provide the nanoparticle of the nickel-iron alloy with the high saturation magnetization obtained by the method for producing the nanoparticle of the nickel-iron alloy with the high saturation magnetization.