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Nernst effect in Tl-Ba-Ca-Cu-O superconducting films due to infrared laser heating
Lengfellner, Hans, Schnellbögl, Andreas, Betz, Josef, Renk, Karl Friedrich and Prettl, Wilhelm (1990) Nernst effect in Tl-Ba-Ca-Cu-O superconducting films due to infrared laser heating. International Journal of Infrared and Millimeter Waves 11 (5), pp. 631-639.Date of publication of this fulltext: 18 Oct 2010 11:48
Article
DOI to cite this document: 10.5283/epub.17337
Abstract
A Nernst effect has been observed in a high temperature superconductor for the first time. Irradiating superconducting Tl–Ba–Ca–Cu–O thin films by short pulses of a TEA-CO2 laser, a photovoltaic signal is detected perpendicular to a magnetic field applied parallel to the film surface. The signal is attributed to magnetic flux line depinning and flux line transport driven by the laser induced ...
A Nernst effect has been observed in a high temperature superconductor for the first time. Irradiating superconducting Tl–Ba–Ca–Cu–O thin films by short pulses of a TEA-CO2 laser, a photovoltaic signal is detected perpendicular to a magnetic field applied parallel to the film surface. The signal is attributed to magnetic flux line depinning and flux line transport driven by the laser induced temperature gradient. The results are described by thermal flux line activation leading to a calculated distribution of pinning energies from 100 K to 4000 K.
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| Item type | Article | ||||
| Journal or Publication Title | International Journal of Infrared and Millimeter Waves | ||||
| Publisher: | Kluwer | ||||
|---|---|---|---|---|---|
| Volume: | 11 | ||||
| Number of Issue or Book Chapter: | 5 | ||||
| Page Range: | pp. 631-639 | ||||
| Date | 1990 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Hans Lengfellner Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl | ||||
| Identification Number |
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| Keywords | Nernst effect - high temperature superconductor - flux pinning - pinning energies | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Unknown | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-173377 | ||||
| Item ID | 17337 |
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