Higher-Harmonic Susceptibilities of Ho-Ceramic Superconductors

Hiromasa Mazaki, Hiroshi Yasuoka, Masato Kakihana, Masahiro Yoshimura

    Research output: Contribution to journalArticlepeer-review


    We have investigated harmonic ac susceptibilities Xn=Xn'-iXn" (n=1, 2, 3) of a ceramic superconductor HoBa2Cu4Oy synthesized by the polymerized complex method. The sample are immersed in an external field H(t)= Hdc+ Haccos(ωt), where Hdc (≧0) is a dc bias field and Hac (>0) is an ac field amplitude. Measurements of Xn were carried out for μOHac = 0.01-0.1 mT and the fundamental frequency was 132 Hz. The observed results were analyzed within the construct of the Kim-Anderson model for critical current density and were compared to those previously obtained for other sintered ceramic superconductors. Details of the measurement and the analysis are presented.

    Original languageEnglish
    Pages (from-to)166-170
    Number of pages5
    Journaljournal of the japan society of powder and powder metallurgy
    Issue number2
    Publication statusPublished - 1993

    ASJC Scopus subject areas

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


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