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Communication Dans Un Congrès Année : 2019

Green synthesis and characterization of Ni0.8Zn0.2Fe2O4 nano ferrite

Résumé

Ni 0.8 Zn 0.2 Fe 2 O 4 nano-powders were prepared by solution combustion method by using metal nitrates, citric acid, green fuel (plant extracts). The structural, magnetic characteristics of as prepared, annealed Ni 0.8 Zn 0.2 Fe 2 O 4 samples were determined by X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), vibrating sample magnetometer (VSM). XRD confirms the formation of single phase nano-crystalline (grain size: 12.7  32.7 nm) cubic spinel structure of annealed samples. Studied mixed ferrite shows relocation of Ni 2+ , Zn 2+ , Fe 3+ ions between A, B site. Coercivity of annealed samples ranges between 29.7 to 124.9 Oe. Obtained saturation magnetization of annealed samples (34.56  54.96 Am 2 /kg) is a combined effect of weakening of A-B, A-A, and strengthening of B-B interaction, and surface dead layer (0.80  1.25 nm) on particles, arising due to spin disorder at surface.
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hal-04453089 , version 1 (12-02-2024)

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Saurabh Raghuvanshi, Rulan Verma, Priyanka Tiwari, Frédéric Mazaleyrat, Shashank Kane. Green synthesis and characterization of Ni0.8Zn0.2Fe2O4 nano ferrite. Advances in basic Science (ICABS 2019), Aug 2019, Bahal, India. pp.160002, ⟨10.1063/1.5122583⟩. ⟨hal-04453089⟩
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