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Superconducting NbSe2 nanowires and nanoribbons converted from NbSe3 nanostructures

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8 Author(s)
Hor, Y.S. ; Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439 ; Welp, U. ; Ito, Y. ; Xiao, Z.L.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2072847 

We describe the synthesis of superconducting NbSe2 nanowires and nanoribbons by the nondestructive removal of Se from one-dimensional NbSe3 nanostructure precursors. We report scanning electron microscopy imaging, x-ray diffraction, and transmission electron microscopy analyses of the morphology, composition, and crystallinity of the converted NbSe2 nanostructures. Transport measurements on individual nanowires/ribbons confirm their superconductivity with Tc∼7.2 K, and the appearance of current-induced resistance steps is attributed to localized phase slip centers, akin to those reported in other superconducting nanostructures.

Published in:

Applied Physics Letters  (Volume:87 ,  Issue: 14 )

Date of Publication:

Oct 2005

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