Abstract
Micro bridge junctions of NdBa 2 Cu 3 O 7-δ (NBCO) thin films have been fabricated by using a pulsed KrF excimer laser. A 1 μm bridge with nonliner flux-flow like current-voltage characteristics was obtained by optimizing the laser patterning process. The superconducting current (Ic0) across the micro bridge at zero bias was 900 nA and suppressed by the radiation of microwave (10 GHz) at 77 K.
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