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Superconductors in confined geometries

Published online by Cambridge University Press:  26 February 2011

Zhili Xiao
Affiliation:
xiao@anl.gov, Argonne National Laboratory, Materials Science Division, 9700 S. Cass Avenue, Argonne, IL, 60439, United States, 630-252-8762, 630-252-7777
Yew-San Hor
Affiliation:
hor@anl.gov, United States
Ulrich Welp
Affiliation:
welp@anl.gov
Yasuo Ito
Affiliation:
ito@anl.gov
Umesh Patel
Affiliation:
upatel@anl.gov
Jiong Hua
Affiliation:
jhua@anl.gov
John Mitchell
Affiliation:
mitchell@anl.gov
Wai-Kwong Kwok
Affiliation:
wkwok@anl.gov
George W. Crabtree
Affiliation:
crabtree@anl.gov
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Abstract

The synthesis of nanoscale superconductors with controlled geometries is extremely challenging. In this paper we present results on synthesis and characterization of one-dimensional (1D) NbSe2 superconducting nanowires/nanoribbons. Our synthesis approach includes the synthesis of 1D NbSe3 nanostructure precursors followed by nondestructive and controlled adjustment of the Se composition to formulate NbSe2. The morphology, composition and crystallinity of the synthesized 1D NbSe2 nanostructures were analyzed with scanning electron microscopy, x-ray diffraction and transmission electron microscopy. Transport measurements were carried out to explore the electronic properties of these confined superconducting nanostructures.

Type
Research Article
Copyright
Copyright © Materials Research Society 2006

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