▎ 摘　　要

NOVELTY - Improved electromagnetic interference (EMI) shielding composition comprises 25-75 wt.% composites containing graphene oxide blended ferrites having total shielding effect of greater than 16 dB. USE - Improved electromagnetic interference (EMI) shielding composition for synthesizing zinc ferrite nanoparticles (ZnMnFe2O4) ferrites by co-precipitation method. ADVANTAGE - The composition focuses to the surface modification of manganese zinc ferrites using graphene oxide for enhancing electromagnetic interference shielding and reducing the reflection of microwave radiation, and provides simple, eco-friendly composite mixture with improved MW absorption properties for EMI shielding via co- precipitation method, and ensures EMI shielding material having total shielding in the order of 16 dB in microwave region with 12 dB shielding attenuation property which is the requirement of a radar absorber design. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing improved EMI shielding composition, which comprises preparing manganese zinc ferrites by co-precipitation method from their sulfate precursors; and blending manganese-based zinc ferrites with graphene oxide using oxalic acid as precipitant via co-precipitation method.