Alpha Induced Upsets in Josephson Tunnel Junctions

Abstract

The bias current dependence of the alpha induced upset rate has been investigated for a number of Nb-amorphous Si-Nb Josephson junctions. An upset occurs when an alpha particle is able to normalize a sufficiently large part of a junction's area so that after the current has redistributed, the critical current density is exceeded in the remainder of the… (More)

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