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Pb1−x Bi x /Bi/Pb1−x Bi x Josephson junction

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Abstract

A superconductor/semimetal/superconductor (S/SM/S) Josephson junction has been developed. We have used an alloy of Pb1−x Bi x (0≤x ≤ 0.6) as the superconductor and Bi as the semimetal. By irradiating at X-band microwave of 10 GHz, Shapiro steps were observed for various bismuth barrier thicknesses θ inÅ and bismuth weight ratiosx. Finally, we obtained the empirical relationship for barrier thickness, below which microwaves could be detected for various bismuth weight ratiosx at the temperature of 4.2 K.

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Authors and Affiliations

  1. Department of Applied Electronics, Tokyo Institute of Technology, Yokohama, Japan

    M. Sekine, T. Kubota & T. Musha

Authors
  1. M. Sekine
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  2. T. Kubota
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  3. T. Musha
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Sekine, M., Kubota, T. & Musha, T. Pb1−x Bi x /Bi/Pb1−x Bi x Josephson junction. J Low Temp Phys 73, 495–499 (1988). https://doi.org/10.1007/BF00683576

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  • DOI: https://doi.org/10.1007/BF00683576

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