Synthesis of YBa2Cu4Oy from Citrate Sol-Gel Precursors

Hiromasa Mazaki, Masato Kakihana, Hiroshi Yasuoka

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    8 Citations (Scopus)

    Abstract

    Single-phase superconducting YBa2Cu4Oy has been synthesized at 780–790°C under one atmosphere oxygen pressure with the sol-gel powder precursor method. The precursor was derived from citrate metal-ion complexes dispersed in a solvent mixtures of ethylene glycol and water. From X-ray diffraction analysis, the material was found to be single phase. The superconducting transition observed in terms of complex susceptibility showed that the onset temperature of superconducting transition is 87.8 K and the transition width (10–90%) is 4.5 K.

    Original languageEnglish
    Pages (from-to)211-214
    Number of pages4
    Journaljournal of the japan society of powder and powder metallurgy
    Volume38
    Issue number2
    DOIs
    Publication statusPublished - 1991

    ASJC Scopus subject areas

    • Mechanical Engineering
    • Industrial and Manufacturing Engineering
    • Metals and Alloys
    • Materials Chemistry

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