Disorder induced granularity in an amorphous superconductor |
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Authors: | David Kowal and Zvi Ovadyahu |
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Institution: | The Racah Institute of Physics, The Hebrew University Jerusalem 91904, Israel |
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Abstract: | We present experimental evidence that shows that the transport mechanism on the insulating side of the superconductor to insulator transition may be modified by the presence of small “droplets” of non-percolating superconducting regions. From the conductivity point of view, the system behaves as a granular system despite the fact that the underlying structure is essentially amorphous. |
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Keywords: | A disordered systems D electronic states (localized) D electronic transport |
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