Proximity Effects in Superconductor/Insulating-Ferromagnet NbN/GdN Multilayers
John Q. Xiao, C. L. Chien
DOI 10.1103/PhysRevLett.76.1727 · Physical Review Letters
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Abstract
Superconductor/insulating-ferromagnet NbN/GdN multilayers reveal that the superconducting properties of the NbN layers are dominated by the insulating nature of the GdN layers, which curtail the pair-breaking effect despite the strong ferromagnetism. The effects of ferromagnetic walls on superconducting slabs have been captured. Very large parallel critical fields have also been observed.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| NbN Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 15 | Pressure not reported | unknown |
| NbN Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 9.6 | Pressure not reported | onset |
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