Accurate measurement of magnetization of Fe3O4 in the vicinity of the transition

Shizuo Umemura, Shuichi Iida

    • 27 Citations

    Abstract

    The magnetization of magnetite was measured with high accuracy in the temperature region of the transition. The decrease of the saturation magnetization of about 0.1% was observed on cooling. The observed changes of the apparent magnetization along various directions are quantitatively explained in terms of the orthorhombic magnetic anisotropy energy and the expected twinning of the low temperature phase. Rhombohedral symmetry of the lattice below the transition temperature was also expected from the experiments with a specimen squeezed along [111].

    Original languageEnglish
    Pages (from-to)679-685
    Number of pages7
    JournalJournal of the Physical Society of Japan
    Volume40
    Issue number3
    StatePublished - 1976 Mar 1

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    Magnetization
    Temperature
    Magnetic anisotropy
    Twinning
    Crystal symmetry
    Magnetite
    Saturation magnetization
    Crystal lattices
    Superconducting transition temperature
    Cooling
    Experiments

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Accurate measurement of magnetization of Fe3O4 in the vicinity of the transition. / Umemura, Shizuo; Iida, Shuichi.

    In: Journal of the Physical Society of Japan, Vol. 40, No. 3, 01.03.1976, p. 679-685.

    Research output: Contribution to journalArticle

    Umemura, Shizuo; Iida, Shuichi / Accurate measurement of magnetization of Fe3O4 in the vicinity of the transition.

    In: Journal of the Physical Society of Japan, Vol. 40, No. 3, 01.03.1976, p. 679-685.

    Research output: Contribution to journalArticle

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    author = "Shizuo Umemura and Shuichi Iida",
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    journal = "Journal of the Physical Society of Japan",
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    N2 - The magnetization of magnetite was measured with high accuracy in the temperature region of the transition. The decrease of the saturation magnetization of about 0.1% was observed on cooling. The observed changes of the apparent magnetization along various directions are quantitatively explained in terms of the orthorhombic magnetic anisotropy energy and the expected twinning of the low temperature phase. Rhombohedral symmetry of the lattice below the transition temperature was also expected from the experiments with a specimen squeezed along [111].

    AB - The magnetization of magnetite was measured with high accuracy in the temperature region of the transition. The decrease of the saturation magnetization of about 0.1% was observed on cooling. The observed changes of the apparent magnetization along various directions are quantitatively explained in terms of the orthorhombic magnetic anisotropy energy and the expected twinning of the low temperature phase. Rhombohedral symmetry of the lattice below the transition temperature was also expected from the experiments with a specimen squeezed along [111].

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