Surface enhancement of superconductivity in tin
V. F. Kozhevnikov, M. J. Van Bael, W. Vinckx, K. Temst, C. Van Haesendonck, J. O. Indekeu
DOI 10.1103/PhysRevB.72.174510 · Physical Review B
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Abstract
The possibility of reversible surface enhancement of superconductivity is examined experimentally. It is shown that single crystal tin samples with cold-worked surfaces represent a superconductor with a surface-enhanced order parameter (or negative surface extrapolation length), whose magnitude can be controlled.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| In0.993Bi0.007 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.5 | Pressure not reported | unknown |
| Sn Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.722 | Pressure not reported | unknown |
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