Synthesis of high-purity YbBa2Cu3O7-d and LuBa2Cu3O7-d superconductors by polymerizable complex method

Yasushi Sato, Valery Petrykin, Hiroshi Yasuoka, Masato Kakihana

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    2 Citations (Scopus)


    Polycrystalline samples of YbBa2Cu3O7-d and LuBa2Cu3O7-d were prepared by polymerizable complex method. The combined results of both X-ray diffraction and Raman scattering analyses indicated that YbBa2Cu3O7-d sample was of single phase when the samples were sintered in a low oxygen partial pressure (1%) at relatively low temperature (845°C). On the other hand, LuBa2Cu3O7-d sample was only slightly contaminated with a very small amount of Lu2BaCuO5 and BaCuO2 impurities when the sample was prepared under the same condition as YbBa2Cu3O7-d. Ac complex magnetic susceptibility measurements exhibited that a transition into the superconducting state for YbBa2Cu3O7-d and LuBa 2Cu3O7-d samples was sharp and smooth, implying that both of the samples were of "superconducting" single phase. The Tc onset values of the YbBa2Cu3O7-d and LuBa2Cu3O7-d, were 93.4 and 92.3 K, respectively.

    Original languageEnglish
    Pages (from-to)503-508
    Number of pages6
    JournalJournal of the Ceramic Society of Japan
    Issue number1407
    Publication statusPublished - 2012 Nov


    • Ac complex susceptibility
    • Polymerizable complex method
    • Raman scattering

    ASJC Scopus subject areas

    • Ceramics and Composites
    • Chemistry(all)
    • Condensed Matter Physics
    • Materials Chemistry


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