Anomalous character of the decay kinetics of the photoluminescence of carbonized porous silicon.

Autor: Kostishko, B. M., Atazhanov, Sh. R., Mikov, S. N., Puzov, I. P., Kordetskiı, K. A.
Předmět:
Zdroj: Technical Physics Letters; Mar99, Vol. 25 Issue 3, p212, 3p
Abstrakt: The time dependence of the decay of the photoluminescence of porous silicon subjected to high temperature carbonization (1000-1200°C) and simultaneously doped with B, P, Ga, or A1 atoms is investigated. The boron-doped samples show an anomalously long decay time for the blue-green (2.4 eV) photoluminescence band. In addition, in this case oscillations with a period of 50 ms are observed in the photoluminescence decay curve. [ABSTRACT FROM AUTHOR]
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