Size-dependent enhancement of superconductivity in Al and Sn nanowires: Shape-resonance effect
A. A. Shanenko, M. D. Croitoru, M. Zgirski, F. M. Peeters, K. Arutyunov
DOI 10.1103/PhysRevB.74.052502 · Physical Review B
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Abstract
A shape-dependent superconducting resonance can be expected when an energy level associated with the transverse motion in a wire passes through the Fermi surface. We show that the recently observed width-dependent increase of Tc in Al and Sn nanowires is a consequence of this shape-resonance effect.
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. | 1.19 | Pressure not reported | midpoint |
| Sn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Pb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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