Fabrication and physical properties of Pb ∕ Cu multilayered superconducting nanowires

Using nanoporous media as templates for electrodeposition, we have fabricated multilayered Pb ∕ Cu nanowires 50 nm in diameter and 20 μ m long with Cu layer thicknesses as low as 10 nm . This was achieved by using a single-bath technique and a precise selection of the copper deposition potential to...

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Bibliographic Details
Published in:Applied physics letters 2005-04, Vol.86 (15), p.152510-152510-3
Main Authors: de Menten de Horne, François, Piraux, Luc, Michotte, Sébastien
Format: Article
Language:English
Subjects:
COPPER
ELECTRODEPOSITION
FABRICATION
FERROMAGNETIC MATERIALS
GEOMETRY
LAYERS
LEAD
MAGNETIC FIELDS
MAGNETORESISTANCE
MATERIALS SCIENCE
PROXIMITY EFFECT
QUANTUM WIRES
SUPERCONDUCTIVITY
THICKNESS
THIN FILMS
TYPE-I SUPERCONDUCTORS
WIRES
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Description
Summary:Using nanoporous media as templates for electrodeposition, we have fabricated multilayered Pb ∕ Cu nanowires 50 nm in diameter and 20 μ m long with Cu layer thicknesses as low as 10 nm . This was achieved by using a single-bath technique and a precise selection of the copper deposition potential to limit the redissolution of lead when the potential is raised to electrodeposit the more noble metal. Such superconductor∕normal multilayered nanowires show interesting magnetoresistance properties at a low magnetic field that may be related to the proximity effect, which can therefore be investigated in a quasi-one-dimensional geometry.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1900953