• Title/Summary/Keyword: millimeter wave properties(60 GHz band)

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Electrical Characteristics and Microwave Properties of MgO Bicrystal Josephson Junction with Polyvinylidene Fluoride Gate Electrode (Polyvinylidene Fluoride를 게이트 전극으로 이용한 MgO bicrystal Josephson junction의 전기 특성 및 마이크로파 특성 연구)

  • Yun, Yongju;Kim, Hyeoungmin;Park, Gwangseo;Kim, Jin-Tae
    • Progress in Superconductivity
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    • v.3 no.1
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    • pp.74-77
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    • 2001

  • We have fabricated a high-Tc superconductive transistor with polyvinylidene fluoride (PVDF) gate electrode on MgO bicrystal Josephson junction by spin-coating method. The PVDF ferroelectric film is found to be suitable fur a gate electrode of the superconductive transistor since it has not only small leakage current but also high dieletric constant at low temperature. For the application of superconducting-FET, we investigated millimeter wave properties (60 GHz band) of the Josephson junction with PVDF gate electrode.

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