NDLI: Nonlinear electrical phenomena and microwave detection in superconductor-normal metal contacts

Content Provider	IEEE Xplore Digital Library
Author	Gubankov, V. Margolin, N.
Copyright Year	1965
Abstract	Energy gap peculiarities, excess current and non-monotonic temperature dependence of the first derivative of I-V curve of superconductor-normal metal contacts with immediate conductivity have been observed and investigated experimentally. It was clarified that formation of I-V curve non-linearity and its temperature evolution, in accordance with the microscopic theory 1, was associatted with existence of two mechanisms of charge transfer across S-N interface by quasiparticles: 1) with energy \|E\| > Δ; 2) with energy \|E\| > Δ, transferred from the N-in the S-region with conversion in the S-region in Cooper pairs. Investigation of microwave (λ = 8 mm) detection by S-N contacts enabled to observe additional response peak caused by energy gap peculiarity on I-V curve; at the same time the presence of this peculiarity permitted to realize maximum sensitivity\sim 10^{4}V/W) to small (\sim 10^{-9}) microwave signal.
Sponsorship	IEEE Magnetics Society
Starting Page	792
Ending Page	795
Page Count	4
File Size	511522
File Format	PDF
ISSN	00189464
Volume Number	17
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1981-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Superconducting microwave devices Temperature dependence Conductivity Contact resistance Electrodes Temperature measurement Power engineering and energy Microscopy Geometry Pressing
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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