Stabilization of superconductivity by magnetic field in out-of-equilibrium nanowires
Yu Chen, Yen-Hsiang Lin, S. D. Snyder, A. M. Goldman
DOI 10.1103/PhysRevB.83.054505 · Physical Review B
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Abstract
A systematic study has been carried out on the previously reported “magnetic-field-induced superconductivity” of Zn nanowires. By varying parameters such as magnetic field orientation and wire length, the results provide evidence that the phenomenon is a nonequilibrium effect associated with the boundary electrodes. They also suggest there are two length scales involved, the superconducting coherence length and quasiparticle relaxation length. As wire lengths approach either of these length scales, the effect weakens. We demonstrate that it is appropriate to consider the effect to be a stabilization of superconductivity that has been suppressed by an applied current.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Zn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.85 | Pressure not reported | midpoint |
| Zn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.83 | Pressure not reported | midpoint |
| Zn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.76 | Pressure not reported | midpoint |
| Zn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.78 | Pressure not reported | midpoint |
| Zn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.81 | Pressure not reported | midpoint |
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