Physics of high-Tc josephson junctions and SQUIDs

H. C. Yang

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    Effects of magnetic fields and microwave radiation on I-V characteristics of YBa2Cu3Oy high-Tc Josephson junctions, SQUIDs and Josephson arrays were reported in this experiment, with special emphasis focused on the effects of microwave radiation. In addition to the ordinary constant-voltage steps resulting from the ac Josephson effect, noninteger constant voltage steps are occasionally observed under microwave radiation. We attribute these noninteger constant-voltage steps to the flux coupled to junctions or SQUIDs. Resistive SQUIDs disclose V - Φ modulation without a biased current. The peak to peak value ΔV of a V - Φ curve is enhanced by microwave radiation.

    頁(從 - 到)364-373
    期刊Chinese Journal of Physics
    發行號2 II
    出版狀態已發佈 - 1996

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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