Synthesis of high-Tc YBa2Cu3O7-x superconductors at a low annealing temperature from a glass precursor

H. S. Koo, Tseung-Yuen Tseng, R. S. Liu, Y. T. Huang, K. S. Kuan, P. T. Wu

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    4 Scopus citations

    Abstract

    High-Tc superconducting YBa2Cu3O7-x oxides prepared at a low annealing temperature (850°C) from a glass precursor by rapid quenching from the melt have been successfully obtained with zero resistivity at the temperature of 92 K. The kinetics of the phase transition from the glassy state to superconducting phase have been characterized by differential thermal analysis, X-ray diffraction and scanning electron microscopy. The magentic properties of the YBa2Cu3O7-x samples were measured by dc SQUID magnetometer are also discussed.

    Original languageEnglish
    Pages (from-to)L41-L44
    Number of pages4
    JournalJapanese Journal of Applied Physics
    Volume28
    Issue number1 A
    DOIs
    StatePublished - 1 Jan 1989

    Keywords

    • Dc SQUID
    • Glass precursor
    • High-T superconducting oxide
    • Phase transition
    • Rapid quenching

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