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Title
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Formation of vortex clusters and giant vortices in mesoscopic superconducting disks with strong disorder
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Author
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Abstract
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| Merged, or giant, multi-quanta vortices (GVs) appear in very small superconductors near the superconducting transition due to strong confinement of magnetic flux. Here we present evidence for a new, pinning-related, mechanism for vortex merger. Using Bitter decoration to visualise vortices in small Nb disks, we show that confinement in combination with strong disorder causes individual vortices to merge into clusters/GVs well below Tc and Hc2, in contrast to well-defined shells of individual vortices found in the absence of pinning. |
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Language
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English
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Source (journal)
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Journal of physics : conference series. - Bristol, 2004, currens
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Publication
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Bristol
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Institute of Physics Publishing
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2008
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ISSN
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1742-6588
[print]
1742-6596
[online]
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DOI
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10.1088/1742-6596/97/1/012172
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Volume/pages
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97
(2008)
, p. 012172,1-012172,6
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ISI
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000276054100171
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Full text (Publisher's DOI)
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Full text (open access)
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