Superconductivity in nanostructured lead

Authors
Lungu, A Bleiweiss, M Amirzadeh, J Saygi, S Dimofte, A Yin, M Iqbal, Z Datta, T
Citation
A. Lungu et al., Superconductivity in nanostructured lead, PHYSICA C, 349(1-2), 2001, pp. 1-7
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA C
ISSN journal
09214534 → ACNP
Volume
349
Issue
1-2
Year of publication
2001
Pages
1 - 7
Database
ISI
SICI code
0921-4534(20010101)349:1-2<1:SINL>2.0.ZU;2-0
Abstract
Three-dimensional nanoscale structures of lead were fabricated by electrode position of pure lead into artificial porous opal. The size of the metallic regions was comparable to the superconducting coherence length of bulk lea d. T-c as high as 7.36 K was observed, also dT(c)/dH was 2.7 times smaller than in bulk lead. Many of the characteristics of these differ from bulk le ad, a type I superconductor. Irreversibility line and magnetic relaxation r ates (S) were also studied. S(T) displayed two maxima, with a peak value ab out 10 times smaller than that of typical high-T-c superconductors, (C) 200 1 Elsevier Science B.V. All rights reserved.