Observation of the Josephson Effect in Y-Ba-Cu-O Compound

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概要

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• This letter describes a weak-link Josephson junction with critical current of 10 mA and normal resistance of 0.02 Ω. The junction was fabricated from a rod of Y_1Ba_2Cu_3O_x compound. The rod was bonded to a ceramic substrate, for mechanical stability, and a diamond-edged cutting wheel was used to cut a narrow slot in the rod, leaving a small land where the two "islands" of rod are connected. The junction can with-stand thermal cycling between room temperature and 77 K. The AC Josephson effect was observed at 77 K, the temperature of liquid nitrogen, when X-band microwave radiation was applied.

• 社団法人応用物理学会の論文
• 1987-07-20

著者

• NAITO Seiichi

  Yokogawa Electric Corporation

• Higashino Yasushi

  Yokogawa Electric Corporation

• TAKAHASHI Takahiro

  Yokogawa Electric Corporation

• KAWAI Takashi

  Yokogawa Electric Corporation

関連論文

• Magnetostatic Wave Oscillator : Magnetism, Magnetic Materials and Devices
• Characteristics of Nb Thin-Film Point-Contact Josephson Junctions
• Comparison of Nb Thin-Film Point-Contact Josephson Junction Characteristics with the Stewart-McCumber Model
• dc SQUID Microwave-Induced Characteristics and Magnetic Field Response, Derived Using the Stewart-McCumber Model
• Observation of the Josephson Effect in Y-Ba-Cu-O Compound

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