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Comment on 'Superconducting transition in Nb nanowires fabricated using a focused-ion beam'


Engel, A (2010). Comment on 'Superconducting transition in Nb nanowires fabricated using a focused-ion beam'. Nanotechnology, 21(16):168001.

Abstract

In a recent paper Tettamanzi et al (2009 Nanotechnology 20 465302) describe the fabrication of superconducting Nb nanowires using a focused-ion beam. They interpret their conductivity data in the framework of thermal and quantum phase slips below Tc. In the following we will argue that their analysis is inappropriate and incomplete, leading to contradictory results. Instead, we propose an interpretation of the data within an SN proximity model.

Abstract

In a recent paper Tettamanzi et al (2009 Nanotechnology 20 465302) describe the fabrication of superconducting Nb nanowires using a focused-ion beam. They interpret their conductivity data in the framework of thermal and quantum phase slips below Tc. In the following we will argue that their analysis is inappropriate and incomplete, leading to contradictory results. Instead, we propose an interpretation of the data within an SN proximity model.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2010
Deposited On:13 Feb 2011 19:08
Last Modified:07 Dec 2017 06:53
Publisher:Institute of Physics Publishing
ISSN:0957-4484
Publisher DOI:https://doi.org/10.1088/0957-4484/21/16/168001
Related URLs:http://arxiv.org/abs/1003.4840

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