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Minimization of Excess Sub Gap Currents in Josephson Junctions

IP.com Disclosure Number: IPCOM000052819D
Original Publication Date: 1981-Jul-01
Included in the Prior Art Database: 2005-Feb-11

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Drake, RE Greiner, JH Raider, SI [+details]


Josephson junctions formed with Nb base electrodes often possess significant excess sub-gap currents, I(excess), above the theoretical quasi-particle current level. The causes of these excess currents are unknown.