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Effect of vortex-core size on the flux lattice in a mesoscopic superconducting strip

Kokanović, I.; Helzel, A.; Babić, D.; Sürgers, Christoph; Strunk, C.

We present an experimental study of the vortex-motion dissipation in a mesoscopic amorphous (a-)Nb(0.7)Ge(0.3) strip, with emphasis on the results for 3-8 vortex rows parallel to the long strip axis. In the isothermal voltage vs magnetic field traces, at a constant current, we observe plateaus superimposed onto a monotonic background. The plateaus appear because finite vortex-core size influences the accommodation of the flux lattice into the strip. This conclusion is drawn from a quantitative analysis, which is free of adjustable parameters, of the magnetic fields that edge the plateaus.

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DOI: 10.1103/PhysRevB.77.172504
Zitationen: 6
Web of Science
Zitationen: 6
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2008
Sprache Englisch
Identifikator ISSN: 1098-0121
KITopen-ID: 1000050501
Erschienen in Physical Review B - Condensed Matter and Materials Physics
Band 77
Heft 17
Seiten 172504
Nachgewiesen in Web of Science
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