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Fabrication and properties of arrays of superconducting nanowires

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Dubois, Sylvain Michel, A. Eymery, JP Duvail, JL Piraux, Luc [UCL]

We report on the fabrication and structural characterization of arrays of superconducting nanowires by electroplating lead into the nanopores of track-etched polymer membranes. The diameters of the lead nanowires range from 400 down to 70 nm, whereas their length is about 20 mu m. Large enhancement of the critical field has been observed in good agreement with the Ginsburg-Landau-Silin theory. By comparing the predicted critical field enhancement for thin cylinders with experimental results, we have extracted the effective penetration depth. The dependence of the effective penetration depth and electron mean free path on the wire diameter is also discussed.

Document type Article de périodique (Journal article) – Article de recherche
Publication date 1999
Language Anglais
Journal information "Journal of Materials Research" - Vol. 14, no. 3, p. 665-671 (1999)
Peer reviewed yes
Publisher Materials Research Society (Warrendale)
issn 0884-2914
Publication status Publié
Affiliation UCL - Autre
Links
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Bibliographic reference Dubois, Sylvain ; Michel, A. ; Eymery, JP ; Duvail, JL ; Piraux, Luc. Fabrication and properties of arrays of superconducting nanowires. In: Journal of Materials Research, Vol. 14, no. 3, p. 665-671 (1999)
Permanent URL http://hdl.handle.net/2078.1/44169