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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-22411
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.2241
Zusammenfassung
We study the emission of photons from porous Si after high-level vibrational excitation in the Si-O absorption band using a pulsed CO2 laser. Narrow resonances in the efficiency of light generation are discovered at 1030 and 1084 cm-1. Time-resolved experiments on the luminescence and the ir-induced changes in optical transparency show that the two excitation modes are characterized by different ...
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