TITLE

Investigation of the response of superconducting quantum interference devices to temperature variation

AUTHOR(S)
Schöne, S.; Mück, M.; Thummes, G.; Heiden, C.
PUB. DATE
January 1997
SOURCE
Review of Scientific Instruments;Jan1997, Vol. 68 Issue 1, p85
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Reports on the measurement of the temperature dependent change ∂Φ/∂T in the flux signal of a superconducting quantum interference device (SQUID) operating in a flux locked loop. Use of thin film niobium dc SQUIDs for the investigations; Operation of a device that could be either a dc or rf SQUID allowing one to compare the effect of temperature variation in both modes of operation; Indication that relaxation of trapped flux appears to be the dominant result of temperature variation; Asymmetry of the two critical junction currents in dc SQUID operations; Influence of an external magnetic field on ∂Φ/∂T; High frequency demagnetization process which could be used to reduce the typical values of ∂Φ/∂T.
ACCESSION #
12056478

 

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