New Effects in Superconductivity

  • J. Nicol
  • J. L. Miles
  • S. Shapiro
  • P. H. Smith
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 7)

Abstract

The mechanism of electrical current transport through the surfaces of a superconducting metal involves questions of considerable interest in view of the recent advances both in the theory of superconductivity and in the development of superconducting circuit elements such as the Cryotron [1, 2]. The experiments of Meissner [3] and the theoretical work of Parmenter [4] have suggested that a thin layer of normal metal exhibits superconductivity when adjacent to a superconducting metal; also that the onset of superconductivity is inhibited in a metal film, ordinarily superconducting, when it is sandwiched between normal metals. Further, Dietrich [5] and Bedard and Meissner [6] have reported that a super-current can flow through a thin dielectric layer between two adjacent superconducting metal wires. In view of the importance of these suggestions, experiments were performed to determine the properties of a superconducting metal at its boundary with other metals and dielectric materials. The experiments fell into two groups. The first was concerned with the characteristics of the current through a thin dielectric layer separating two metal films, at least one a superconductor. The second group involved the properties of laminar structures formed by depositing two metals in intimate contact, one metal being a superconductor, the other a nonsuperconductor.

Keywords

Normal Metal Thin Dielectric Layer Longitudinal Resistance Superconducting Metal Negative Resistance Region 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1962

Authors and Affiliations

  • J. Nicol
    • 1
  • J. L. Miles
    • 1
  • S. Shapiro
    • 1
  • P. H. Smith
    • 1
  1. 1.Arthur D. Little, Inc.CambridgeUSA

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