Photoluminescence decay affected by variable range hopping in band tail in amorphous As2S3 |
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Authors: | K. Murayama T. Ninomiya |
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Affiliation: | Department of Physics, The University of Tokyo, Tokyo 113, Japan |
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Abstract: | Photoluminescence decay was observed with various excitation energies and at various temperatures in amorphous As2S3. The decay at high temperature or with the high excitation energy had the long time behavior. This decay is concluded to arise from the combination of the tunneling recombination and the variable range hopping of carriers in the band tail. |
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