High Magnetic Performance in Isotropic Fe-Sm2Fe17Nx

J. Ding, Yinong Liu, R. Street, Paul Mccormick

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    71 Citations (Scopus)


    The structure and magnetic properties of nanocrystalline, two-phase Sm(2)Fe(1)7N(x)+alpha-Fe alloys prepared by mechanical alloying and heat treatment have been studied. Remanence enhancement and single-phase magnetic behavior were observed in isotropic powders crystallized at low temperatures (about 600 degrees C), while crystallization at high temperatures resulted in two-phase demagnetization curves due to increase of the grain size of the soft phase. With increasing Sm concentration the coercivity increased and the remanent magnetization decreased.
    Original languageEnglish
    Pages (from-to)1032-1035
    JournalJournal of Applied Physics
    Issue number2
    Publication statusPublished - 1994


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