Published November 1, 1982
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Journal Article
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Surface flux pinning in superconducting amorphous (Mo0.6Ru0.4)B18
- Creators
- Clemens, B. M.
- Johnson, W. L.
Chicago
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Abstract
Superconducting critical current density was measured as a function of a perpendicular applied magnetic field in glassy (Mo0.6Ru0.4)82B18. The pinning force density was observed to depend linearly on 1/w, where w is the sample width measured perpendicular to both the current and field. This dependence is attributed to pinning by the sample edges. The bulk pinning contribution can be separated from the edge pinning contribution by extrapolation of the Fp vs 1/w curve. The edge contribution of the flux pinning was nearly eliminated by electrolytically polishing the sample. The contribution of the flux pinning profile due to edge pinning is analyzed in terms of the dynamic pinning model modified for edge pinning.
Additional Information
Copyright © 1982 American Institute of Physics. Received 19 April 1982; accepted 20 July 1982. This research was supported by the DOE under Project Agreement No. DE-AT03-81ER10870, Contract No. DE-AM03-76SF00767.Files
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Additional details
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- 9890
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- CaltechAUTHORS:CLEjap82
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