Fluctuation effects in superconducting nanostrips
Engel, Andreas and Semenov, Alexey and Hübers, Heinz-Wilhelm and Il'in, Konstantin and Siegel, Michael (2006) Fluctuation effects in superconducting nanostrips. Physica C, 444 (1-2), pp. 12-18. Elsevier. DOI: 10.1016/j.physc.2006.05.079.
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Official URL: http://www.elsevier.com/locate/phys
Superconducting fluctuations in long and narrow strips made from ultrathin NbN films, have been investigated. For large bias currents close to the critical current fluctuations led to localized, temporary transitions into the normal conducting state, which were detected as voltage transients developing between the strip ends. We present models based on fluctuations in the Cooper pair density and current-assisted thermal-unbinding of vortex-antivortex pairs, which explain the current and temperature dependence of the experimental fluctuation rates.
|Title:||Fluctuation effects in superconducting nanostrips|
|Journal or Publication Title:||Physica C|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 12-18|
|Keywords:||Low-dimensional superconducting structures, Fluctuations, Vortices|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Projekt SOFIA (old)|
|Institutes and Institutions:||Institute of Planetary Research > Terahertz and Infrared Sensors|
|Deposited By:||Prof.Dr. Alexey Semenov|
|Deposited On:||23 Oct 2006|
|Last Modified:||27 Apr 2009 13:09|
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