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Adjustment of self-...
Adjustment of self-heating in long superconducting thin film NbN microbridges
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- Stockhausen, A. (författare)
- Karlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
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- Il'in, K. (författare)
- Karlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
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- Siegel, M. (författare)
- Karlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
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- Södervall, Ulf, 1954 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Jedrasik, Piotr, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Semenov, A. (författare)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Hübers, Heinz-Wilhelm (författare)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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(creator_code:org_t)
- 2012-01-30
- 2012
- Engelska.
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Ingår i: Superconductor Science and Technology. - : IOP Publishing. - 0953-2048 .- 1361-6668. ; 25:3
- Relaterad länk:
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http://dx.doi.org/10...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The self-heating in long superconducting microbridges made from thin NbN films deposited on top of high silicon mesa structures was studied by analyzing the hysteresis current density j(H). We observed a more than twofold decrease of j(H) with increase in the ratio of the height of the Si mesa, h, to the width of the microbridge, W, from 0 to 24. We describe our experimental results using one-dimensional thermal balance equations taking into account disordered matter in our thin NbN films and limitations imposed on the phonon mean free path by the width of the Si mesa. In the framework of this model we obtain a good agreement between theory and experiment over a wide temperature range from 4.2 K up to the critical temperature T-C for all h/W ratios.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- silicon
- waves
- hot-electron bolometer
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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