Magnetic Properties of Strontium Ferrite Prepared Using Submicron-Sized SrFe12-xAlxO19 Powders

V. P. Menushenkov, V. S. Shubakov, S. V. Ketov

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    The glass samples were obtained by melting of the oxides mixture SrO-Fe2O3-B2O3-(Al2O3) at 1200-1250°C with subsequent quenching of the melt on quickly rotating steel roller. Submicronsized Sr(Fe,Al)12O19 particles were formed in glass-ceramic matrix during the crystallization aging of glass. The aging temperature Tag varied in the range 650-950°C. The submicron-sized hexaferrite powder was obtained by removing of the matrix phases using etching. The samples were characterized by X-ray diffraction, scanning electron microscopy and magnetization measurements. The glass-ceramic material exhibits very high coercivity value up to 10 kOe. The samples of magnets were obtained by pressing of the hexaferrite powder at RT and subsequent aging in the range 900-1200°C. The aged samples exhibit coercivity value up to 8 kOe.

    Original languageEnglish
    Title of host publicationEnergy Technology 2012
    Subtitle of host publicationCarbon Dioxide Management and Other Technologies
    PublisherJohn Wiley and Sons
    Pages275-279
    Number of pages5
    ISBN (Print)9781118291382
    DOIs
    Publication statusPublished - 2012 May 15

    Keywords

    • Coercive force
    • Glass-ceramics
    • Nanocrystalline structure
    • Sr-ferrite

    ASJC Scopus subject areas

    • Materials Science(all)

    Fingerprint Dive into the research topics of 'Magnetic Properties of Strontium Ferrite Prepared Using Submicron-Sized SrFe<sub>12-x</sub>Al<sub>x</sub>O<sub>19</sub> Powders'. Together they form a unique fingerprint.

  • Cite this

    Menushenkov, V. P., Shubakov, V. S., & Ketov, S. V. (2012). Magnetic Properties of Strontium Ferrite Prepared Using Submicron-Sized SrFe12-xAlxO19 Powders. In Energy Technology 2012: Carbon Dioxide Management and Other Technologies (pp. 275-279). John Wiley and Sons. https://doi.org/10.1002/9781118365038.ch33