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MICRO-EMULSION METHOD FOR THE SYNTHESIS AND CHARACTERIZATION OF La, Mn-DOPED Ba3Co2 Fe24O41 Z-TYPE HEXA-NANOFERRITES

Author

Listed:
  • GHULAM FARID

    (Department of Physics, Beijing Normal University, Haidian District, Beijing 100875, P. R. China†Center for Advanced Studies in Physics, GC University, Lahore 54000, Pakistan‡Department of Physics, University of Lahore, Gujrat Campus, Gujrat 50700, Pakistan)

  • MUHAMMAD SAIF

    (#x2020;Center for Advanced Studies in Physics, GC University, Lahore 54000, Pakistan)

  • GHULAM MURTAZA

    (#x2020;Center for Advanced Studies in Physics, GC University, Lahore 54000, Pakistan)

  • ATIF HUSSAIN

    (#x2021;Department of Physics, University of Lahore, Gujrat Campus, Gujrat 50700, Pakistan)

  • MUHAMMAD UMAIR

    (#x2020;Center for Advanced Studies in Physics, GC University, Lahore 54000, Pakistan)

  • MUHAMMAD ABDULLAH MALIK

    (#xA7;Department of Physics, University of Lahore, Sargodha Campus, Sargodha 40100, Pakistan)

Abstract

In this report, micro-emulsion method was used to obtain La, Mn-doped Ba3Co2 Fe24O41 single-phase Z-type hexa-nanoferrites by maintaining annealing temperature at 1200∘C. X-ray diffraction (XRD) analysis shows lattice parameters, crystallite size, and volume are significantly enhanced by introducing La and Mn ions instead of Ba and Fe, respectively. Moreover, La and Mn ion doping improved the preferred orientation of atoms through the basal plane of Z-type hexaferrite. Field emission scanning electron microscopy (FESEM) study reveals that the surface morphology of La- and Mn-doped Ba3Co2 Fe24O41, Z-type ferrites show ultrafine and small particle size. The analysis of X-Ray absorption near edge spectroscopy (XANES) suggests that transition in La+3 has occurred from 3d core level to empty electronic state above the Fermi level. Furthermore, it is observed that in the Z-type ferrites Co exist as divalent ion and Fe as trivalent ion by analyzing XANES. Vibrating samples magnetometer (VSM) indicated that the samples are ferromagnetic as they have narrow hysteresis loops. The decrease in coercivity is due to paramagnetic dopant element Manganese (Mn).

Suggested Citation

  • Ghulam Farid & Muhammad Saif & Ghulam Murtaza & Atif Hussain & Muhammad Umair & Muhammad Abdullah Malik, 2019. "MICRO-EMULSION METHOD FOR THE SYNTHESIS AND CHARACTERIZATION OF La, Mn-DOPED Ba3Co2 Fe24O41 Z-TYPE HEXA-NANOFERRITES," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(10), pages 1-9, December.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:10:n:s0218625x19500653
    DOI: 10.1142/S0218625X19500653
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    Keywords

    XANES; SEM; XRD; Hexa-ferrites;
    All these keywords.

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