Abstract
Pair-tunneling measurements have been carried out on ErRh4B4-LuxOy-In thin-film junctions. The Fraunhofer-like pattern of the magnetic-field dependence of the dc Josephson current has been found to split at a temperature just above the reentrant transition of ErRh4B4. This suggests the onset of a magnetic structure of semimacroscopic scale which does not break up the superconductivity of the ErRh4B4 electrode into disconnected domains, at least within the surface region probed (∼ 150).
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1433-1436 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 48 |
| Issue number | 20 |
| DOIs | |
| State | Published - 1982 |
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