Please use this identifier to cite or link to this item: http://dx.doi.org/10.18419/opus-4973
Authors: Welte, Michael
Eisenmenger, Wolfgang
Title: Analysis of the phonon spectrum emitted by superconducting Al-tunneling junctions at high quasiparticle injection rates
Issue Date: 1981
metadata.ubs.publikation.typ: Zeitschriftenartikel
metadata.ubs.publikation.source: Zeitschrift für Physik, B. 41 (1981), S. 301-313. URL http://dx.doi.org./10.1007/BF01307319
URI: http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-55759
http://elib.uni-stuttgart.de/handle/11682/4990
http://dx.doi.org/10.18419/opus-4973
Abstract: The phonon spectrum emitted by superconducting Al-tunneling junctions is analyzed by experiments, in which two junctions of different energy gaps are used as phonon generator and detector. The energy gap of the Al-films is varied by the evaporation conditions. The experiments show clearly that the phonon spectrum and the quasiparticle distributions in the generator are strongly nonthermal and depend markedly on the primary tunneling injection. At high injection rates also significant consequences of gap reductions and instabilities are observed.
Appears in Collections:08 Fakultät Mathematik und Physik

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