Fe_3O_4/MO(M=Ni, Co)人工格子の作製と磁性 Preparation and Magnetic Properties of Fe_3O_4/MO(M=Ni, Co)Superlattices

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The structural, electric and magnetic properties of (100)-oriented Fe<SUB>3</SUB>O<SUB>4</SUB>/NiO and Fe<SUB>3</SUB>O<SUB>4</SUB>/CoO superlattices on MgO(100) have been studied. The films were prepared by an activated reactive evaporation method. The lattice constants of each layers were a little changed from the bulk values due to a lattice mismatch with the substrate. The Fe 2p XPS of both Fe<SUB>3</SUB>O<SUB>4</SUB>/NiO and Fe<SUB>3</SUB>O<SUB>4</SUB>/CoO interfaces suggested the formation of stoichiometric Fe<SUB>3</SUB>O<SUB>4</SUB>. The saturation magnetizations (Ms) of Fe<SUB>3</SUB>O<SUB>4</SUB>/MO superlattices were compared with that of a Fe<SUB>3</SUB>O<SUB>4</SUB> thin film as a function of the thickness of MO layers. The reduction in Ms of Fe<SUB>3</SUB>O<SUB>4</SUB>/NiO could be linked with the large exchange coupling with NiO. While the increase in Ms of Fe<SUB>3</SUB>O<SUB>4</SUB>/CoO was probably caused by the ferromagnetic coupling of the CoO interface with the Fe<SUB>3</SUB>O<SUB>4</SUB> layer.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 45(1), 58-62, 1998-01-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002014915
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4392665
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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