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

URN to cite this document:: urn:nbn:de:bvb:355-epub-26451
DOI to cite this document:: 10.5283/epub.2645

Helzel, Andreas ; Kokanovic, I. ; Babic, D. ; Litvin, Leonid ; Rohlfing, Franziska ; Otto, Florian ; Sürgers, C. ; Strunk, Christoph

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Date of publication of this fulltext: 05 Aug 2009 13:40

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Item type:	Article
Open Access Type:	Due to SHERPA/RoMEO
Journal or Publication Title:	Physical Review B
Volume:	74
Page Range:	p. 220510
Date:	2006
Institutions:	Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	2645

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Abstract

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 µm, with a pair of voltage probes where a nonlocal response Vnl[proportional]I is measured. The maximum of Rnl=Vnl/I for a given temperature occurs at an L-independent magnetic field and is proportional to 1/L. The results ...

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