Er3+ photoluminescence properties of erbium-doped Si/SiO2 superlattices with sub-nm thin Si layers

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The effect of the Si layer thickness on the Er31 photoluminescence properties of the Er-doped Si/SiO2 superlattice is investigated. We find that the Er31 luminescence intensity increases by over an order of magnitude as the Si layer thickness is reduced from 3.6 nm down to a monolayer of Si. Temperature dependence of the Er31 luminescence intensity and time-resolved measurement of Er31 luminescence intensity identify the increase in the excitation rate as the likely cause for such an increase, and underscore the importance of the Si/SiO2 interface in determining the Er31 luminescence properties.
Publisher
American Institute of Physics
Issue Date
2001-07
Citation

Appl. Phys. Lett., Vol.79, No.3, pp.287-289

ISSN
0003-6951
DOI
10.1063/1.1383802
URI
http://hdl.handle.net/10203/11403
Appears in Collection
CH-Journal Papers(저널논문)
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