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Research Paper | Material Science | India | Volume 10 Issue 7, July 2021 | Popularity: 4.7 / 10

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Structural and Magnetic Properties of Zn2+ Doped Cobalt Ferrite Nanoparticles Synthesized by Sol-gel Auto Combustion Method

Ravindra C. Alange

Abstract: Zinc (Zn2+) doped spinel cobalt ferrites nanoparticles having composition (ZnxCo1?xFe2O4 where x?=?0.2, 0.4) were synthesized by sol-gel auto combustion method. The structural and magnetic properties were characterized via X-ray diffraction (XRD) technique and Pulse field hysteresis loop tracer. The average crystallite size (D) was found to decrease from 32.15?nm to 24.31?nm with increasing the Zn2+. Magnetization field loops reveal ferromagnetic behavior, lower hysteresis loop observed for higher Zn content. The magnetic properties are remarkably influenced with Zn doping; saturation magnetization (Ms) decreases then increases while both coercivity (HC) and remanent magnetization (Mr) decrease with increase in Zn2+ content, which was associated with preferential site occupancy and the change in average crystallite size.

Keywords: XRD, Magnetization, Spinel ferrite, nanoparticles

Edition: Volume 10 Issue 7, July 2021

Pages: 981 - 983

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