▎ 摘　　要

NOVELTY - Samarium iron (Sm-Fe)/reduced graphene oxide (rGO) nanocomposite for electromagnetic wave absorption prepared by using samarium iron/reduced graphene oxide nanocomposite including spherical amorphous samarium iron alloy nanoparticles, uniformly pinning on the surface of reduced graphene oxide, where the average particle size of samarium iron alloy nanoparticles with easy-plane magnetic anisotropy is d of 50-200 nm, molar ratio of samarium and iron is 1:2-1:10, the mass fraction of graphene oxide is 5-11 wt.%, and the mass fraction of samarium iron alloy nanoparticles is 89-95 wt.%, where the samarium ion, after co-reduction of iron ions and graphene oxide (GO), spherical amorphous samarium iron alloy nanoparticles were formed and pinned on the surface of rGO to obtain Sm-Fe/rGO nanocomposites with uniform composition and structure, is claimed. USE - The material is used for aerospace, weapon equipment and medicinal protection. ADVANTAGE - The material has high electromagnetic wave absorbing intensity, and excellent electromagnetic wave absorption performance of absorbing frequency band width and absorbing material quality.