Characteristics of Barium M-Hexaferrite with Doping Mn and Ni in X-Band Frequency for Microwave Absorption

Abstract:

Synthesis of Barium M-Hexaferrite samples based on natural iron sand at Ketapang beach, Pringgabaya District, East Lombok with Mn-Ni doping (BaFe_12-xMn_xNi_xO₁₉) has been successfully carried out using the coprecipitation method. The synthesis aims to determine the characteristics of the electrical properties of the Reflection Loss sample of BaFe_12-xMn_xNi_xO₁₉ doped with Mn-Ni metal. The basic materials used in this study were natural iron sand and Barium Carbonate (BaCO₃) powder, while the doping materials used were Nickel (II) Chloride Hexahydrate (NiCl₂.6H₂O) and Manganese(II) chloride (MnCl₂) powder with a variety of mole fraction (X = 0, 2; 0 ‚4; 0‚6 and 0.8). The solvent uses distilled water, 37% hydrochloric acid (HCl), and 25% NH₄OH solution. The samples were then calcined at 25 °C, 400 °C, and 600 °C. The obtained samples show that the higher the Mn-Ni doping ion content and the calcination temperature, the smaller the resulting Reflection Loss value and the greater the absorption rate of microwaves.

• Periodical: Materials Science Forum (Volume 1028)
• Pages: 32-37
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1028.32
• Online since: April 2021
• Authors: Susilawati Susilawati*, Aris Doyan
• Keywords: Barium M-Heksaferit, Coprecipitation, Manganese (Mn), Nickel (Ni)

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