Josephson Effect in Metal - Polyimide - Metal Sandwich Structures
A. N. Ionov, V. A. Zakrevskii, J. M. Lazebnik, R. Rentzsch, V. M. Svetlichny
Abstract
We have observed that thin films of amorphous polyimide placed between two metallic electrodes become highly conducting with no applied electric field, and at a low pressure which was necessary only to achieve reliable electrical contact with the metallic electrodes. We observed for the first time a Josephson effect in a sandwich of a superconductor - polyimide film - superconductor.
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