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Communication Dans Un Congrès Année : 2019

Synthesis, structural and magnetic properties of CoCrxFe2-xO4 (0.0≤ x ≤ 1.0) nano-ferrite

Résumé

Present study reports, effect of Cr addition on structural, magnetic properties of CoCrxFe2-xO4 (0.0≤ x ≤ 1.0) ferrites, synthesized by sol-gel auto combustion method. X-ray diffraction (XRD), vibrating sample magnetometer (VSM) were utilized to monitor the modification of structural, magnetic properties, and correlation between them. Scherrer’s grain diameter ranging between 14.7 nm - 26.2 nm. Coercivity (Hc) and anisotropy constant (K1) values respectively ranges between 1249- 700 Oe and 20.01×104 to 1.01×104 erg/cc. Best magnetization value of 56.77 Am2/kg was obtained for x = 0.44. Variation of magnetic properties can be understood in terms of Cr-addition induced re-distribution of cations. Coercivity (Hc) dependence with grain size, shows that studied samples lie in the region with overlap between single and multi-domain region.
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hal-04452727 , version 1 (12-02-2024)

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Priyanka Tiwari, Shashank Kane, Rulan Verma, Frédéric Mazaleyrat. Synthesis, structural and magnetic properties of CoCrxFe2-xO4 (0.0≤ x ≤ 1.0) nano-ferrite. Advances in basic Science (ICABS 2019), Feb 2019, Bahal, India. pp.160016, ⟨10.1063/1.5122597⟩. ⟨hal-04452727⟩
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