Oscillations of the Superconducting Critical Current in Nb-Cu-Ni-Cu-Nb Junctions
Y. Blum, A. Tsukernik, M. Karpovski, A. Palevski
DOI 10.1103/PhysRevLett.89.187004 · Physical Review Letters
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Abstract
We report on experimental studies of superconductor-ferromagnet layered structures. Strong oscillations of the critical supercurrent were observed with the thickness variation of the ferromagnet. Using known microscopic parameters of Ni, we found reasonable agreement between the period of oscillations and the decay of the measured critical current, and theoretical calculations.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8.5 | Pressure not reported | unknown |
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