BaFe۱۲O۱۹/rGO Nanocomposites: A Comprehensive Study of Structural, Optical, and Magnetic Properties

This work investigates the synthesis and properties of barium hexaferrite (BaFe۱۲O۱۹) and its Reduced Graphene Oxide (rGO) nanocomposites using the auto-combustion sol-gel method. BaFe۱۲O۱۹ is known to have certain limitations in practical applications, which motivates the development of BaFe₁₂O₁₉-based nanocomposites with carbon-based materials such as rGO to enhance their multifunctional behavior. The study explores the impact of different rGO content (۱۰%, ۲۰%, ۴۰%, and ۵۰% Wt.%) on the nanocomposites’ structural, optical, and magnetic properties. The techniques, including X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and magnetic hysteresis measurements were used to characterize the samples. The structural studies revealed the formation of nanocomposite. Optical studies indicated that the band gap energy decreased from ۱.۶۲ eV for pure BaFe۱۲O۱۹ to ۱.۴۸ eV for the composite containing ۵۰% rGO. Concurrently, magnetic hysteresis measurements showed a reduction in saturation magnetization, from ۵۴.۲۱ emu/g for pure BaFe۱۲O۱۹ to ۲۳.۳۸ emu/g for the ۵۰% rGO composite.

کلیدواژه ها:

Hexaferrite ، BaFe۱۲O۱۹/rGO nanocomposites ، Optical properties ، Magnetic properties