Research Papers in Physics and Astronomy

 

Date of this Version

December 1988

Comments

Published by American Physical Society. Phys. Rev. B, 38, 11805 (1988). http://prb.aps.org. Copyright © 1988 American Physical Society. Permission to use.

Abstract

We have measured detailed I-V characteristics of small areas of YBa2Cu3O7-δ films, which exhibit structure associated with individual Josephson junctions within the film. Both hysteretic and nonhysteretic junctions are seen. A simple model relating the voltage steps to the junction properties is developed. The temperature dependence of lc for the hysteretic junctions fits that predicted for quasiparticle tunneling junctions between conventional superconductors.

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