期刊
APPLIED PHYSICS LETTERS
卷 78, 期 18, 页码 2709-2711出版社
AMER INST PHYSICS
DOI: 10.1063/1.1369150
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The exciton-erbium coupling and the excitation dynamics of Er3+ in erbium-doped silicon-rich silicon oxide are investigated using time-resolved measurements of Er3+ luminescence. The dependence of the Er3+ luminescence on the pump power and duration indicates that the exciton-erbium coupling is dominant over carrier-exciton coupling. The results further support the idea that the luminescent Er3+ ions are not in the Si nanoclusters but in the interface region surrounding the nanoclusters. (C) 2001 American Institute of Physics.
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