We have developed a fabrication technology for superconducting integrated circuits with Nb-
based Josephson junctions. The standard fabrication process with 10 mask levels includes …

We demonstrate that a large fraction of the available data relating the critical current density
J/sub c/of superconducting Nb-AlO/sub x/-Nb tunnel junctions to oxidation parameters can …

It has been argued by Zurek and Kibble that the likelihood of producing defects in a
continuous phase transition depends in a characteristic way on the quench rate. In this …

In this work we propose a hybrid device based on a long Josephson junction (JJ) coupled
inductively to an external ferromagnetic (FM) layer. The long JJ in a zero-field operation …

The processes developed in the last years for the fabrication of high quality, reliable all‐
refractory Josephson tunnel junctions open a window in an insulating region, called the idle …

The dc I–V characteristics of Nb/Al· AlOx/Nb SIS junctions are numerically investigated
taking into account the broadening of quasiparticle density of states for Nb. It is …

The IV characteristics of strongly coupled symmetric niobium-based superconducting tunnel
junctions are found to display steplike structures at voltages less than the gap voltage 2Δ/e …

We thermally annealed single un-shunted Josephson junctions at temperatures of 110 to
270/spl deg/C for durations of 2.5 to 90 minutes. We also exposed some junctions for three …

High quality, low current density Josephson tunnel junctions are obtained from Nb/Al-
AlO/sub x//Nb trilayers, using a SNAP process to define the junction area. A large number of …

The single fluxon dynamics in the resonant regime has been investigated on high‐quality
low‐loss Nb/Al–AlO x/Nb window Josephson tunnel junctions. A new model accounting for …