▎ 摘　　要

NOVELTY - Iron-nickel-molybdenum-based magnetic nanocomposite with excellent microwave absorption performance comprises iron nickel-molybdenum magnetic nanoparticles, lithium aluminum silicon transparent glass and graphene oxide. USE - Used as iron-nickel-molybdenum-based magnetic nanocomposite with excellent microwave absorption performance. ADVANTAGE - The method: changes the frequency of the peak of the reflection loss absorption to the high frequency, optimizes the impedance matching, and improves the absorbing performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing an iron-nickel-molybdenum magnetic nanocomposite comprising (I) preparing an elemental metal e.g. iron, nickel, molybdenum into an iron-nickel-molybdenum metal ingot by arc melting, (II) preparing iron-nickel-molybdenum metal ingot using a DC arc plasma metal nanopowder preparation method, (III) preparing lithium rubber, aluminum rubber, and silica gel by a sol-gel method, and preparing a lithium aluminum silica gel according to a molar ratio of 1:1:2, (IV) preparing iron-nickel-molybdenum metal ingot into iron-nickel-molybdenum magnetic nano-particles and uniformly mixing the lithium-aluminum silica gel body in a molar ratio of 1:0.4, and sintering under a nitrogen atmosphere at a temperature of 500 degrees C to obtain lithium aluminum silicon transparent glass coated iron nickel molybdenum magnetic nanoparticles a heating rate of 5 degrees C/minutes for 1 hour, and (V) taking a certain amount of graphene and lithium aluminum silicon transparent glass coated iron nickel molybdenum magnetic nanoparticles proportionally, mechanically stirring for 12 hours, then subjecting to solvothermal method at 200 degrees C for 10 hours to obtain the graphene oxide-coated lithium aluminum silicon transparent glass-coated iron-nickel-molybdenum magnetic nanoparticles.