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ISSN 2063-5346
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Investigation of microstructure and Magnetic properties of composite (soft-hared) ferrites, synthesized via sol-gel method

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Amany Hatem, Dr. Shaima'a J. Kareem, Dr. Mohammed Naji Al-Aaraji
» doi: 10.31838/ecb/2023.12.1.126

Abstract

This work examines the production and characterisation of a nanocomposite powder made of hard barium ferrite and soft nickel ferrite. With three distinct ratios of nickel ferrite to barium ferrite— 100NF/0BF, 0NF/100BF, 50NF/50BF, 25NF/75BF, and 75NF/25BF—nanocomposite is made using the sol-gel process. In a cylindrical stainless steel die, ferrite powder is uniaxially compressed into pellets for 40 seconds at 150 MPa, and then sintered at 1200°C. Different methods, including XRD, are utilized to describe nanocomposite ferrite. The XRD Pattern clearly demonstrates the production of composite phases. The nickel ferrite spinal structure and the peaks of the hexagonal barium ferrite phase are visible. An absorption band between the constituent constituents of the nanocomposite ferrite is visible in the FT-IR. The spherical form of the nickel ferrite powder and the needle-like shape of the barium ferrite were visible in SEM pictures, and the VSM test revealed a difference magnetization. Ms The highest Ms finding in ratio 75NF/25BF is equal to (28.348 emu/g), the highest Hc value in ratio 25NF/75BF is equal to (205.198 Oe), and the greatest Mr value in ratio 75NF/25BF is equal to (2.296 emu/g).

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