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Luminescence of porous silicon and porous silicon encapsulated structures.

Monastyrskii L.S, Olenych I.B., Parandii P.P.

Optica Applicata

2000

Vol. 30, nr 4

641-646

Spectroscopic properties of encapsulated porous silicon (PS) have been studied in detail. In order to investigate different heterostructures of porous silicon a complex of analysis methods such as photoluminescence (PL) electroluminescence (EL), cathodoluminescence (CL) and thermostimulated depolarisation (TSD) were applied. The process of light emission shows a tendency to decrease. This decrease varies for different kinds of luminescence. The EL intensity dynamics depends on polarization effects in porous silicon.