Direct measurement of the vortex migration caused by traveling magnetic wave

Wei Wang; Fred Spaven; Min Zhang; Mehdi Baghdadi; Timothy Coombs

doi:10.1063/1.4862788

Direct measurement of the vortex migration caused by traveling magnetic wave

Wei Wang, Fred Spaven, Min Zhang, Mehdi Baghdadi, Timothy Coombs

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

We studied the magnetisation of a 2 in. diameter YBCO thin film in the presence of traveling magnetic waves with six hall sensors. Simulation based on finite element method was conducted to reproduce the process of magnetisation. We discovered that the magnetisation of YBCO thin film based on traveling waves does not follow the constant current density assumption as used in the standing wave condition. We have shown that the traveling wave is more efficient in transporting the flux into the YBCO thin film, which suggests the potential of a flux injection device for high temperature superconducting coils.

Original language	English
Article number	032602
Number of pages	4
Journal	Applied Physics Letters
Volume	104
Issue number	3
DOIs	https://doi.org/10.1063/1.4862788
Publication status	Published - 20 Jan 2014

Keywords

high temperature superconducting (HTS)
magnets
superconducting film
type II superconductors

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10.1063/1.4862788

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AU - Zhang, Min

AU - Baghdadi, Mehdi

AU - Coombs, Timothy

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AB - We studied the magnetisation of a 2 in. diameter YBCO thin film in the presence of traveling magnetic waves with six hall sensors. Simulation based on finite element method was conducted to reproduce the process of magnetisation. We discovered that the magnetisation of YBCO thin film based on traveling waves does not follow the constant current density assumption as used in the standing wave condition. We have shown that the traveling wave is more efficient in transporting the flux into the YBCO thin film, which suggests the potential of a flux injection device for high temperature superconducting coils.

KW - high temperature superconducting (HTS)

KW - magnets

KW - superconducting film

KW - type II superconductors

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Direct measurement of the vortex migration caused by traveling magnetic wave

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Keywords

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