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Advanced Materials

Synthesis and structural studies of the perovskite-related compound YBaCo2O5 + x

Authors

  • Dr. Wuzong Zhou,

    Corresponding author
    1. Interdisciplinary Research Centre in Superconductivity University of Cambridge, Madingley Road, Cambridge CB3 0HE (UK)
    • Interdisciplinary Research Centre in Superconductivity University of Cambridge, Madingley Road, Cambridge CB3 0HE (UK)
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  • Dr. Cheng Tian Lin,

    1. Interdisciplinary Research Centre in Superconductivity University of Cambridge, Madingley Road, Cambridge CB3 0HE (UK)
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  • Dr. Wei Yao Liang

    1. Interdisciplinary Research Centre in Superconductivity University of Cambridge, Madingley Road, Cambridge CB3 0HE (UK)
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  • We thank Dr. D. A. Jefferson for many helpful discussions.

Abstract

A new perovskite-related compound, YBaCo2O5, is reported, which has a basic structure which is tetragonal and isomorphous with YBaCuCoO5. Excess oxygen can be introduced into the anionic sites in the yttrium layer, an effect which could be important in the development of the material as a redox catalyst and a charge carrier reservoir in high-Tc superconductors as part of a superlattice formed with a superconducting phase. The preparation of the new material and the analysis of its structure are reported.

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