Enhancement of the superconducting transition temperatures in ion-implanted aluminium alloys
- 1 January 1976
- journal article
- Published by EDP Sciences in Journal de Physique Lettres
- Vol. 37 (11) , 287-289
- https://doi.org/10.1051/jphyslet:019760037011028700
Abstract
Random alloys of C, Si, and Ge with Al, prepared by ion implantation at liquid helium temperatures, have maximum superconducting transition temperatures Tc of 4.2 K (C), 7.35 K (Ge) and 8.35 K (Si). The latter value is the highest yet obtained for an Al-based alloy. All these values are obtained for covalent element concentrations of ∼ 25 %. The effect of lattice disorder is not found sufficient to account for the observed Tc enhancementsKeywords
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