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Title
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Vortex interaction enhanced saturation number and caging effect in a superconducting film with a honeycomb array of nanoscale holes
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Author
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Abstract
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| The electrical transport properties of a MoGe thin film with a honeycomb array of nanoscale holes are investigated. The critical current of the system shows nonmatching anomalies as a function of applied magnetic field, enabling us to distinguish between multiquanta vortices trapped in the holes and interstitial vortices located between the holes. The number of vortices trapped in each hole is found to be larger than the saturation number predicted for an isolated hole and shows a nonlinear field dependence, leading to the caging effect as predicted from the Ginzburg-Landau (GL) theory. Our experimental results are supplemented by numerical simulations based on the GL theory. |
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Language
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English
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Source (journal)
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Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
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Publication
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Lancaster, Pa
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2012
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ISSN
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1098-0121
[print]
1550-235X
[online]
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DOI
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10.1103/PHYSREVB.85.012505
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Volume/pages
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85
:1
(2012)
, p. 012505,1-012505,4
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Article Reference
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012505
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ISI
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000299867200001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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