Magnetic Property and Morphology of Fe Film Grown on Self-Organized SrTiO3 (001) Substrate with Inclined Angle
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概要
- 論文の詳細を見る
Five-nanometer-thick Fe film has been grown on self-organized SrTiO3(001) substrate with an inclined angle ($\alpha$). 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 SrTiO3 is Fe(001)[110]$\parallel$SrTiO3(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.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-10-15
著者
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Shiratsuchi Yu
Department Of Materials Science And Engineering Graduate School Of Engineering Osaka University
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Kamada Yasuhiro
Department Of Anesthesia Nikko Memorial Hospital
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Cho Gyu
Department Of Materials Science And Engineering & Frontier Research Center Graduate School Of En
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Sato Katsuaki
Faculty Of Technology Tokyo University Of Agriculture & Techonology
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Endo Yasushi
Department Of Applied Biological Chemistry Faculty Of Agriculture Tohoku University
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Yamamoto Masahiko
Department Of Biofunctional Chemistry Graduate School Of Natural Science And Technology Okayama Univ
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Cho Gyu
Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan
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Shiratsuchi Yu
Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan
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Endo Yasushi
Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan
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Kamada Yasuhiro
Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan
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Sato Katsuaki
Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
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