Comparison of nanostructured nickel zinc ferrite and magnesium copper zinc ferrite prepared by water-in-oil microemulsion

Ay Ching Hee, Mehdi Mehrali, Hendrik Simon Cornelis Metselaar, Mohammad Mehrali, Noor Azuan Abu Osman

    Research output: Contribution to journalArticleAcademicpeer-review

    7 Citations (Scopus)

    Abstract

    Ferrite is an important ceramic material with magnetic properties that are useful in many types of electronic devices. In this study, structure and magnetic properties of nanostructured nickel zinc ferrite and magnesium copper zinc ferrite prepared by water-in-oil microemulsion were compared. Both ferrites samples demonstrated similar weight loss characteristics in TGA. The magnesium copper zinc ferrite showed a crystalline structure with an average crystallite size of 13. 5 nm. However, nickel zinc ferrite showed an amorphous phase. Transmission electron micrographs showed agglomerated nanoparticles with an average crystallite size of 26. 6 nm for magnesium copper zinc ferrite and 22. 7 nm for nickel zinc ferrite. Magnesium copper zinc ferrite exhibited soft ferromagnetic bahaviour whereas nickel zinc ferrite showed superparamagnetic nature.

    Original languageEnglish
    Pages (from-to)639-642
    Number of pages4
    JournalElectronic Materials Letters
    Volume8
    Issue number6
    DOIs
    Publication statusPublished - 1 Dec 2012

    Keywords

    • Chemical synthesis
    • Ferrite
    • Magnetic measurements
    • Microstructure

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