Microscopic theory for excitation of erbium ions via silicon nanocrystals in silicon dioxide

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In this work, we present the results of microscopic calculation for the probability of excitation of Er ions by electron-hole pairs confined in Si nanocrystals surrounded by silicon dioxide. For simplicity we consider the case of low pumping of nanocrystals when we may take into account only one electron-hole pair inside of a single nanocrystal. We have found the probability of Er ion excitation in three principally different cases for the location of the Er ion relatively to the nanocrystal: (i) Er ion is situated inside of the nanocrystal, (ii) Er ion is situated at the boundary of the nanocrystal or very close to the boundary, and (iii) Er ion is situated at the considerable distance from the nanocrystal so that the tunneling of electrons and holes may be neglected. (c) 2005 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2006-05
Language
English
Article Type
Article; Proceedings Paper
Citation

OPTICAL MATERIALS, v.28, no.6-7, pp.810 - 814

ISSN
0925-3467
DOI
10.1016/j.optmat.2005.09.056
URI
http://hdl.handle.net/10203/261924
Appears in Collection
PH-Journal Papers(저널논문)
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