Little-Parks effect in a superconducting loop with a magnetic dot
D. S. Golubović, W. V. Pogosov, M. Morelle, V. V. Moshchalkov
DOI 10.1103/PhysRevB.68.172503 · Physical Review B
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Abstract
We have studied the nucleation of superconductivity in a mesoscopic Al loop, enclosing a magnetic dot with the perpendicular magnetization. The superconducting phase boundary Tc(B), determined from transport measurements, is asymmetric with respect to the polarity of an applied magnetic field. The maximum critical temperature has been found for a finite applied magnetic field, which is antiparallel to the magnetization of the dot. Theoretical phase boundary shows a good agreement with the experimental data.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.3422 | Pressure not reported | onset |
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