Automatic recording of direct current singularity amplitudes in Josephson junctions

1 August 1985

journal article
research article
Published by AIP Publishing in Review of Scientific Instruments

Vol. 56 (8) , 1623-1625
https://doi.org/10.1063/1.1138112

Abstract

We have designed and tested an electronic circuit to record the amplitude of any current singularity in the current-voltage characteristic of a Josephson tunnel junction. The detection of the peak current occurs only when the junction voltage is within a range that can be centered and narrowed conveniently. We describe the circuit in detail and illustrate its operation in the recording of some typical dc singularities.

Keywords

This publication has 3 references indexed in Scilit:

Frequency dependence of the quality factor of Nb-NbxOy-Pb Josephson tunnel junctions
IEEE Transactions on Magnetics, 1981
Self-contained automatic recorder of the dc Josephson current
Review of Scientific Instruments, 1978
Macroscopic Quantum Interference Effects through Superconducting Point Contacts
Physical Review B, 1966