Electronic Resource
Springer
Journal of low temperature physics
23 (1976), S. 679-686
ISSN:
1573-7357
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract We report observations of an inhomogeneous state consisting of alternating superconducting and normal regions which occurs upon exceeding the critical current density in thin granular aluminum films. The results are in quantitative agreement with recent theoretical predictions, based on a model in which only the superconducting and fully normal states are stable. We find the normal regions are maintained at a temperature above T c by the heat dissipation due to the transport current. The breakdown occurs at critical currents smaller than predicted and is apparently a flux-flow instability brought about by a residual perpendicular field.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00116303
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