Design and Experimental Evaluation of SQIF Arrays With Linear Voltage Response

Design and Experimental Evaluation of SQIF Arrays With Linear Voltage Response

Differential circuits consisting of two series arrays of 10-junction parallel SQIFs were developed, designed and fabricated with 4.5 kA/cm 2 Nb HYPRES process. The differential voltage response evolution with applied magnetic field providing opposite frustration of the serial arrays was analysed in...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2011-06, Vol.21 (3), p.394-398
Hauptverfasser: Kornev, V K, Soloviev, I I, Klenov, N V, Mukhanov, O A
Format: Artikel
Sprache:eng
Schlagworte:
Arrays
Differential circuit
Electric potential
Evolution
Frustration
high linearity
Interference
Josephson junctions
Junctions
Magnetic circuits
Magnetic fields
Magnetic tunneling
Serials
SQIF
SQUIDs
Superconducting magnets
Superconductivity
Voltage
voltage response
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Beschreibung
Zusammenfassung:Differential circuits consisting of two series arrays of 10-junction parallel SQIFs were developed, designed and fabricated with 4.5 kA/cm 2 Nb HYPRES process. The differential voltage response evolution with applied magnetic field providing opposite frustration of the serial arrays was analysed in detail. Linear differential response with amplitude as high as 22 mV was observed for the serial arrays of 108 parallel SQIFs. It was shown that the response linearity is kept within some range of the applied frustrating magnetic field.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2010.2095451