NDLI: High-temperature superconducting Josephson Vortex Flow Transistors: numerical simulations and experimental results

Content Provider	IEEE Xplore Digital Library
Author	Bauch, T. Weiss, S. Haensel, H. Marx, A. Koelle, D. Gross, R.
Copyright Year	2002
Abstract	Josephson Vortex Flow Transistors (JVFTs) based on high transition temperature superconductors (HTS) are promising candidates for three-terminal devices, which may be used e.g. at the interface between superconducting and semiconducting electronics. We have investigated the performance of JVFTs based on parallel arrays and on long HTS Josephson junctions, both theoretically and experimentally. Our numerical simulation results reveal the dependence of the current gain on various device parameters, such as number of junctions, loop size, and screening parameter /spl beta/=L/L/sub j/, where L is the loop inductance and L/sub j/ the Josephson inductance of a single junction. We have fabricated various devices using symmetrically and asymmetrically injected bias currents. The experimental results are in good agreement with our simulation results and it is shown that for asymmetric devices high values of the current gain above 20 can be obtained for temperatures below 60 K.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3605
Ending Page	3608
Page Count	4
File Size	625905
File Format	PDF
ISSN	10518223
Volume Number	7
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	High temperature superconductors Numerical simulation Superconducting transition temperature Josephson junctions Semiconductivity Superconducting devices Bandwidth Voltage control Impedance Superconducting microwave devices
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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