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http://hdl.handle.net/2445/51243
Title: | Avalanche-like vortex penetration driven by pulsed microwave fields in an epitaxial LaSrCuO thin film |
Author: | Cuadra-Solís, Pedro-de-Jesús Hernández Ferràs, Joan Manel García Santiago, Antoni Tejada Palacios, Javier Vanacken, J. Moshchalkov, V. V. |
Keywords: | Superconductors Camps magnètics Pel·lícules fines Camps elèctrics Superconductors Magnetic fields Thin films Electric fields |
Issue Date: | 16-Dec-2013 |
Publisher: | American Institute of Physics |
Abstract: | Different vortex penetration regimes have been registered in the output voltage signal of a magnetometer when single microwave pulses are applied to an epitaxial overdoped La2− x Sr x CuO4 thin film in a perpendicular dc magnetic field. The onset of a significant variation in the sample magnetization which exists below threshold values of temperature, dc magnetic field, and pulse duration is interpreted as an avalanche-type flux penetration. The microwave contribution to the background electric field suggests that the nucleation of this fast vortex motion is of electric origin, which also guarantees the occurrence of vortex instabilities under adiabatic conditions via the enhancement of the flux flow resistivity. Flux creep phenomena and heat transfer effects act as stabilizing factors against the microwave-pulse-induced fast flux diffusion. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.1063/1.4848997 |
It is part of: | Journal of Applied Physics, 2013, vol. 114, p. 233902-1-233902-7 |
URI: | http://hdl.handle.net/2445/51243 |
Related resource: | http://dx.doi.org/10.1063/1.4848997 |
ISSN: | 0021-8979 |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
Files in This Item:
File | Description | Size | Format | |
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631629.pdf | 3.13 MB | Adobe PDF | View/Open |
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