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Authors: Groß, Peter
Gienger, Martin
Lassmann, Kurt
Title: Depopulation effects in the phonoconduction response of A+ -states in silicon and germanium
Issue Date: 1990 Konferenzbeitrag Hunklinger, Siegfried (Hrsg.): Phonons 89 : Heidelberg, 21-25 August 1989, Federal Republic Germany ; proceedings of the Third International Conference on Phonon Physics and the Sixth International Conference on Phonon Scattering in Condensed Matter. Singapur : World Scientific, 1990, S. 1284-1286
Abstract: We show here that deviations from these assumptions are effective in the experiment and responsible in particular for the observed illumination dependence of the phonoconduction signal. The phonon spectrum of an Al - STJ at bias V = eU > 2ΔAl consists of a continuum with a sharp threshold at Ώm = V - 2ΔAl. In the differentiated spectrum Ώm becomes the most prominent bias-tunable feature, namely the quasimonochromatic line of phonon spectroscopy used for the approximate analysis of sharp phonon scattering resonances such as the OI line of Fig. 1a (which shows inversion of the center due to strong scattering).
Appears in Collections:08 Fakultät Mathematik und Physik

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