TY - JOUR T1 - Synthesis and Characterization of Corncob-Derived Mn-Doped Fe₃O₄/rGO Nanocomposites with Soft Magnetic Behavior for Potential Electromagnetic and Engineering Applications JO - Materials Research A1 - Wibowo, Farit Hendro A1 - Sujito, A1 - Faiz, Muhammad Rodhi SN - 1516-1439 UL - 10.1590/1980-5373-MR-2026-0101 VL - 29 Y1 - 2026 PB - Brasil ER -