Josephson Tunnel Junctions with Nb, NbN Double-Layered Electrodes

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概要

• 論文の詳細を見る

• Josephson tunnel junctions with double-layered base and counter electrodes composed of Nb and NbN have been developed. The tunneling characteristics of the junctions and the effective penetration depth of the double-layered electrodes have been measured as a function of the thicknesses of the NbN and Nb films. It has been found that, by using the double-layered electrodes with a 100 nm-thick-NbN film and a 50 nm-thick-Nb film, the effective penetration depth can be sufficiently decreased without losing the large gap voltage of 4.4 mV and the small subgap conductance of 14 mV.

• 社団法人応用物理学会の論文
• 1982-04-20

著者

• Shoji A

  National Inst. Advanced Industrial Sci. And Technol. Ibaraki Jpn

• Shoji Akira

  Electrotechnical Laboratory

• HAYAKAWA Hisao

  Electrotechnical Laboratory

• Hayakawa H

  Nagoya Univ. Nagoya Jpn

• KOSAKA Shin

  Electrotechnical Laboratory

• Kosaka S

  Energy Technology Research Institute Aist Tsukuba Central

• SHINOKI Fujitoshi

  Electrotechinical Laboratory

• Shinoki F

  Aomori Advanced Industrial Technol. Center Aomori Jpn

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