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Nonlocal vortex motion in mesoscopic amorphous Nb0.7Ge0.3 structures

Helzel, A.; Kokanović, I.; Babić, D.; Litvin, L. V.; Rohlfing, F.; Otto, F.; Sürgers, Christoph 1; Strunk, C.
1 Center for Functional Nanostructures (CFN), Karlsruher Institut für Technologie (KIT)


We study nonlocal vortex transport in mesoscopic amorphous Nb0.7Ge0.3 samples. A dc current I is passed through a wire connected via a perpendicular channel, of a length L=2-5 mu m, with a pair of voltage probes where a nonlocal response V-nl proportional to I is measured. The maximum of R-nl=V-nl/I for a given temperature occurs at an L-independent magnetic field and is proportional to 1/L. The results are interpreted in terms of the dissipative vortex motion along the channel driven by a remote current and can be understood in terms of a simple model.

DOI: 10.1103/PhysRevB.74.220510
Zitationen: 9
Web of Science
Zitationen: 11
Zitationen: 10
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2006
Sprache Englisch
Identifikator ISSN: 1098-0121
KITopen-ID: 1000050514
Erschienen in Physical Review B - Condensed Matter and Materials Physics
Verlag American Physical Society (APS)
Band 74
Heft 22
Seiten 220510
Nachgewiesen in Scopus
Web of Science
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