CUED Publications database

A thermally actuated superconducting flux pump

Coombs, T and Hong, Z and Zhu, X (2008) A thermally actuated superconducting flux pump. Physica C: Superconductivity and its Applications, 468. pp. 153-159. ISSN 0921-4534

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Abstract

The concept of a superconducting flux pump is relatively straightforward. A small magnetic field repeatedly applied will lead to a much larger field being trapped within the superconductor. This field is limited by the volume of the superconductor and by its critical current but not by the excitation field. Here we will describe a new technique which facilitates the creation of high magnetic fields and where the magnitude of the trapped field is limited by the superconductor not the magnetising field. The technique is demonstrated using measurements taken using samples of bulk YBCO as YBCO has a very high irreversibility field and has the potential to trap high magnetic fields. The technique could be applied to other superconductors such as BSCCO or MgB2 and in other forms such as thin or thick films. © 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Flux pumps Magnetism Trapped fields
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:42
Last Modified: 08 Dec 2014 02:23
DOI: 10.1016/j.physc.2007.11.003