Magnetic Property and Morphology of Fe Film Grown on Self-Organized SrTiO_3 (001) Substrate with Inclined Angle

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Abstract

Five-nanometer-thick Fe film has been grown on self-organized SrTiO<SUB>3</SUB>(001) substrate with an inclined angle (α). The morphology of Fe film was investigated by scanning tunneling microscopy (STM). Dependence of the magnetic property on the inclined angle was revealed by magneto-optic Kerr effect (MOKE) measurement. In the morphology of Fe film, the surface structure of Fe films is reflected in the features of substrates and their morphologies are affected by the inclined angle of the substrates: a random distribution for smaller angles and a wirelike array for larger angles. The details including the shape, size and height of the clusters are described for different inclined angles. The crystalline orientational relationship between Fe and SrTiO<SUB>3</SUB> is Fe(001)[110]||SrTiO<SUB>3</SUB>(001)[100]. In the magnetic property of the Fe film, the magnetocrystalline anisotropy governs the magnetic property in the flat surface, while a magnetic uniaxial anisotropy and a magnetocrystalline anisotropy govern it in the substrate with larger angles. The magnetic uniaxial anisotropy is enhanced by the step structure on the inclined substrate. It is clearly shown that the magnetic property of 5-nm-thick Fe films are affected by their morphology.

Journal

  • Japanese Journal of Applied Physics

    Japanese Journal of Applied Physics 42(10), 6543-6550, 2003-10-15

    The Japan Society of Applied Physics

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Codes

  • NII Article ID (NAID)
    10012449550
  • NII NACSIS-CAT ID (NCID)
    AA10457675
  • Text Lang
    ENG
  • Article Type
    ART
  • Journal Type
    大学紀要
  • ISSN
    00214922
  • NDL Article ID
    6712455
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z53-A375
  • Data Source
    CJP  NDL  J-STAGE 
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