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Investigation of the operation modes and the switching behaviour of a switchable flux-flow resistor at 4.2 K

✍ Scribed by R. Koch; W. Jutzi; H. Downar; T. Peterreins; W. Scherber; P. Ziemann

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 662 KB
Volume: 36
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(96)81108-8

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✦ Synopsis

The electrical properties of a Switchable Flux-Flow Resistor (SFFR) have been investigated. The maximum superconducting current in the channel can reversibly be varied by gate voltages in the range 2.5-7 V. Gate voltages above a threshold voltage yield a depression of the pinning force in the channel. The SFFR allows for three different operation modes, which have been characterized by static and transient measurements. A special layout for transient measurements with high resolution was developed. Possible applications of superconducting three-terminal devices are discussed.

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