Morphology of Fe Film Grown on Self-Organized SrTiO3(001) Substrates with Inclined Angles.

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  • Cho Gyu Bong
    Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan
  • Yamamoto Masahiko
    Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan Frontier Research Center, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan
  • Kamada Yasuhiro
    Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan

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  • Morphology of Fe Film Grown on Self-Organized SrTiO<sub>3</sub>(001) Substrates with Inclined Angles

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Abstract

We investigated the morphology of Fe films grown on self-organized SrTiO3(001) substrates with inclined angles. The Fe films are grown in two parts on the inclined substrate; one is a continuous film in the lower part and the other features cluster coagulation in the upper part. We clarified the step structure of the Fe, the shape of the Fe clusters, the distribution of the Fe cluster sizes and height, and their dependence on inclined angle. We discussed the differences according to inclined angle in terms of Fe atom mobility on the SrTiO3 substrate. The growth of Fe films on the inclined SrTiO3 substrates influences the features of substrates and their morphologies are affected by the inclined angle of the substrates. We also determined the crystalline orientational relationship between Fe and SrTiO3 to be Fe(001)[110]allel SrTiO3(001)[100].

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