Experimental and Theoretical Investigation of the Synthesis, Electronic and Magnetic Properties of MnFe 2 O 4 Spinel Ferrite

Khaoula Aghrich, Sara Mtougui (), Fayçal Goumrhar, Mustapha Abdellaoui, Nabila Mamouni, Mohammed Fekhaoui, Amine El Moutaouakil () and Omar Mounkachi
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Khaoula Aghrich: Department of Scientific Institute, Mohammed V University in Rabat, Ibn Battouta Avenue, Rabat P.O. Box 1014, Morocco
Sara Mtougui: Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University in Rabat, Ibn Battouta Avenue, Rabat P.O. Box 1014, Morocco
Fayçal Goumrhar: Higher School of Education and Training of El Jadida (ESEF), Chouaib Doukkali University, El Jadida 24000, Morocco
Mustapha Abdellaoui: Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University in Rabat, Ibn Battouta Avenue, Rabat P.O. Box 1014, Morocco
Nabila Mamouni: Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University in Rabat, Ibn Battouta Avenue, Rabat P.O. Box 1014, Morocco
Mohammed Fekhaoui: Department of Scientific Institute, Mohammed V University in Rabat, Ibn Battouta Avenue, Rabat P.O. Box 1014, Morocco
Amine El Moutaouakil: Department of Electrical and Communication Engineering, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
Omar Mounkachi: Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University in Rabat, Ibn Battouta Avenue, Rabat P.O. Box 1014, Morocco

Energies, 2022, vol. 15, issue 22, 1-11

Abstract: MnFe 2 O 4 ferrite nanoparticle was synthesized via the sol–gel method, and structural, morphology and magnetic characteristics were investigated. X-ray diffraction analysis showed that the synthesized sample was in a single phase with a spinel-ferrite-like structure (space group Fd-3m). The scanning electron microscopy displayed homogenous spherical grains with an agglomeration of the particles. The chemical composition determined by energy-dispersive spectroscopy shows the absence of any impurities. To understand the role of magnetic interaction in MnFe 2 O 4 spinel ferrites, the structural and magnetic properties of MnFe 2 O 4 have been explored theoretically. Based on the first-principles methods via density functional theory and Monte Carlo simulations, the magnetic hysteresis cycle has been plotted. Using the generalized gradient and GGA-PBE approximation in the full-potential linearized augmented plane wave (FP-LAPW) method, the exchange coupling interactions between magnetic elements and local magnetic moment were evaluated. Furthermore, the theoretical magnetic properties of MnFe 2 O 4 were found to match the experimental ones. They both revealed that MnFe 2 O 4 is a soft ferromagnetic material. The theoretical curve of magnetization versus temperature indicates that the transition occurred at T c = 580.0 K. This was also in good agreement with the experimental Curie temperature.

Keywords: magnetic nanoparticle; spinel ferrite; magnetic properties; Monte Carlo simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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