"Giant" enhancement of the upper critical field and fluctuations above the bulk Tc in superconducting ultrathin lead nanowire arrays.

Abstract

We have produced ultrathin lead (Pb) nanowires in the 6 nm pores of SBA-15 mesoporous silica substrates by chemical vapor deposition. The nanowires form regular and dense arrays. We demonstrate that bulk Pb (a type-I superconductor below Tc = 7.2 K with a critical field of 800 Oe) can be tailored by nanostructuring to become a type-II superconductor with an… (More)
DOI: 10.1021/nn400604v

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@article{He2013GiantEO, title={"Giant" enhancement of the upper critical field and fluctuations above the bulk Tc in superconducting ultrathin lead nanowire arrays.}, author={Mingquan He and Chi Wong and Pok Lam Tse and Yuan Zheng and Haijing Zhang and Frank Lam and Ping Sheng and Xijun Hu and Rolf W. Lortz}, journal={ACS nano}, year={2013}, volume={7 5}, pages={4187-93} }