Observation of the Reverse ac Josephson Effect in Y-Ba-Cu-O at 240 K
- 11 May 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 58 (19) , 1972-1975
- https://doi.org/10.1103/physrevlett.58.1972
Abstract
A two-step resistive transition, one beginning at 240 K and the other at 90 K, has been observed in Y-Ba-Cu-O compounds. The superconductivity, possibly in granular form, at both temperatures has been verified by means of the rf-to-dc conversion associated with the ac Josephson effect.Keywords
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