Surface Enhancement of Superconductivity in Tin
V. F. Kozhevnikov, M. J. Van Bael, W. Vinckx, K. Temst, C. Van Haesendonck, J. O. Indekeu
Abstract
The possibility of 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 b), whose magnitude can be controlled.
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