Ultrasmall Superconducting Tunnel Junctions

E. L. Hu, Richard Howard, L. D. Jackel, L. A. Fetter, D. M. Tennant

Research output: Contribution to journalArticle

16 Scopus citations


Extremely small-area superconducting Josephson junctions have been fabricated using a newly developed electron-beam lithography technique. The junctions are composed of Pb-In base electrodes and Pb counter electrodes. Areas of the junctions range from 1 to 3 × 10−10 cm2, The estimated capacitance is ∼10−15 F. Junctions have been produced with resistances of ∼100 Ω which have ∼20-percent hysteresis in the critical current at a temperature of 4 K.

Original languageEnglish (US)
Pages (from-to)2030-2031
Number of pages2
JournalIEEE Transactions on Electron Devices
Issue number10
StatePublished - Jan 1 1980
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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    Hu, E. L., Howard, R., Jackel, L. D., Fetter, L. A., & Tennant, D. M. (1980). Ultrasmall Superconducting Tunnel Junctions. IEEE Transactions on Electron Devices, 27(10), 2030-2031. https://doi.org/10.1109/T-ED.1980.20141