Time resolved photoluminescence near the “band gap” in amorphous silicon |
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| Authors: | S. Kurita W. Czaja S. Kinmond |
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| Affiliation: | Laboratoire de Physique Appliquée, EPF Lausanne, Switzerland;Carnegie Laboratory of Physics, University of Dundee, Scotland, U.K. |
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| Abstract: | Two broad luminescence bands in weakly hydrogenated (glow discharge) undoped amorphous silicon have been observed using time resolved spectroscopy on a nanosecond timescale. Whereas the luminescence decay of the low energy band has been found to be sample independent, the peak position of the luminescence does show a sample dependence. We propose an intrinsic origin of this luminescence. |
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