Roli Lüthi, Reto R. Schlittler, et al.
Applied Physics Letters
Paper
High current-density Josephson edge-junction capacitance
Abstract
Some properties of NbNb oxide-PbIn edge junctions and two-junction superconducting interferometers have been measured. From the voltage of the resonance involving the junction capacitance and interferometer inductance, we deduce that the specific capacitance of 2.5 μm2 junctions having a current density of 30 kA cm-2 is 20±4 μF cm-2. © 1981.
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