▎ 摘　　要

NOVELTY - Iron-nickel-molybdenum magnetic nanocomposite comprises iron, nickel and molybdenum magnetic nanoparticles and graphene oxide as composite materials. USE - The nanocomposite is useful as microwave absorping material. ADVANTAGE - The method utilizes solvothermal synthesis thus improving the absorbing performance and optimizes impedance matching. The material has excellent microwave absorption properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing iron-nickel-molybdenum magnetic nanocomposite comprising (1) arc melting elemental iron, nickel, molybdenum to obtain iron nickel molybdenum metal ingot, (1) performing direct current arc plasma metal nanopowder preparation method to obtain iron-nickel- molybdenum magnetic nanoparticles, (3) mixing graphene with iron-nickel-molybdenum magnetic nanoparticles, mechanically stirring for 0.5 hours, performing solvothermal synthesis at 200 degrees C and at a heating rate of 5 degrees C/minute, maintaining the heat for 10 hours and drying under vacuum.