Materials for superconducting nanowires for quantum phase-slip devices

Fenton, J.C., Webster, C.H. and Warburton, P.A. (2011) Materials for superconducting nanowires for quantum phase-slip devices. Journal of Physics: Conference Series, 286(2), 012024. (doi:10.1088/1742-6596/286/1/012024)

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Quantum phase-slip processes in superconducting nanowires of suitably small cross-section have been proposed as the basis for a new current standard, based on physics dual to that for the Josephson voltage standard. The practical realisation of such devices presents several challenges. We consider the requirements which need to be met in constructing a nanowire quantum-phase-slip device and in particular the need to maximise R<sub>ξ</sub>, the normal-state resistance of a length of nanowire equal to the superconducting coherence length. Titanium and niobium–silicon are promising materials for the nanowires.

Item Type:Articles
Keywords:Quantum phase-slip.
Glasgow Author(s) Enlighten ID:Webster, Dr Carol
Authors: Fenton, J.C., Webster, C.H., and Warburton, P.A.
College/School:College of Science and Engineering > School of Computing Science
Journal Name:Journal of Physics: Conference Series
Publisher:IOP Publishing
ISSN (Online):1742-6596
Published Online:04 April 2011

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