Enhanced Thermodynamic Stability of Epitaxial Oxide Thin Films

Authors

  • Jong Hyun Song,

    1. Department of Advanced Materials Science University of Tokyo Kashiwa, Chiba 277-8561 (Japan)
    2. Department of Physics Chungnam National University Daejeon 305-764 (Korea)
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  • Tomofumi Susaki,

    1. Department of Advanced Materials Science University of Tokyo Kashiwa, Chiba 277-8561 (Japan)
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  • Harold Y. Hwang

    Corresponding author
    1. Department of Advanced Materials Science University of Tokyo Kashiwa, Chiba 277-8561 (Japan)
    2. Japan Science and Technology Agency Kawaguchi 332-0012 (Japan)
    • Department of Advanced Materials Science University of Tokyo Kashiwa, Chiba 277-8561 (Japan).
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  • We thank M. Kawasaki, A. Sawa, and D. A. Muller for helpful discussions. We acknowledge support from the Mitsubishi Foundation and a Grant-in-Aid for Scientific Research on Priority Areas. J.H.S. acknowledges support from Japan Society for the Promotion of Science (JSPS).

Abstract

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A remarkable overcoming of the thermodynamic limitations in the synthesis of perovskite manganite thin film is reported. By optimizing the stoichiometry and kinetics during growth, the range of phase stability can be vastly extended to extremely reducing growth conditions (see figure).

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