Investigation of the dependence of the photoluminescence properties of silicon nanoclusters on their volume fraction in a silicon oxide matrixстатья
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Дата последнего поиска статьи во внешних источниках: 9 ноября 2017 г.
Аннотация:The photoluminescence (PL) spectra and kinetics of amorphous and crystalline silicon nanoclus
ters are investigated. The given nanoclusters are formed by thermal annealing of thin suboxide silicon films
with different volume fractions of silicon. It is demonstrated that the PL intensity and lifetime of the ensem
bles of silicon nanocrystals have a steplike dependence on the silicon volume fraction in the film. The influ
ence of the percolation effect on the photoluminescence properties of the structures under study is discussed.