Structure and magnetic moment of Fe16N2 sputtered film

H. Takahashi, H. Shoji, Migaku Takahashi

    研究成果: Article査読

    29 被引用数 (Scopus)

    抄録

    The structure analyses of α″-Fe16N2 sputtered films were made by using XRD, TEM, CEM and EPMA. The following results were verified: (1) the lattice constants, a and c, of the α″-Fe16N2 phase in the sputtered film were found to be the same as those of bulk α″-Fe16N2; (2) the film consists of highly oriented single-crystal grains with diameter of about 100 Å; and (3) the volume fraction of (α″ + α′)-Fe16N2 phase in the annealed film was found to be 71-82%. The value of the saturation magnetization of the α″-Fe16N2 phase was discussed by assuming N site ordering in the α′-martensite. The results revealed that no strong correlation between the N-site ordering in α′-phase and the magnetic moment is found and that the value of the saturation magnetization of the α″-Fe16N2 phase at RT is concluded to be no more than 240 emu/g.

    本文言語English
    ページ(範囲)57-69
    ページ数13
    ジャーナルJournal of Magnetism and Magnetic Materials
    174
    1-2
    DOI
    出版ステータスPublished - 1997 10月

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • 凝縮系物理学

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