Pair tunneling in ErRh4B4 films

C. P. Umbach; A. M. Goldman

doi:10.1103/PhysRevLett.48.1433

Pair tunneling in ErRh4B4 films

C. P. Umbach, A. M. Goldman

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

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	https://doi.org/10.1103/PhysRevLett.48.1433
State	Published - Jan 1 1982

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10.1103/PhysRevLett.48.1433

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Pair tunneling in ErRh4B4 films

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