Journal
APPLIED PHYSICS LETTERS
Volume 83, Issue 26, Pages 5512-5514Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1637130
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Photoluminescence measurements were used to investigate the effect of atomic and molecular hydrogen on the passivation of Si nanocrystals in SiO2. Significant increases in the luminescence intensity and lifetime were found in samples coated with a thin Al layer prior to a standard anneal in molecular hydrogen. This is shown to be consistent with enhanced passivation of the nanocrystals by atomic hydrogen. (C) 2003 American Institute of Physics.
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