Excitons in Si nanocrystals

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The states of electron-hole pairs in spherical silicon nanocrystals are theoretically studied using the "multiband" effective-mass approximation in the limit of an infinitely high potential barrier at the boundary. The degeneracy of the states at the top of the valence band is taken into account in the spherical approximation, and the ellipsoidal character of the electronic spectrum in the conduction band is allowed for. Coulomb interaction-induced corrections to the energy of an electron-hole pair are found. (C) 2004 MAIK "Nauka / Interperiodica".
Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
Issue Date
2004
Language
English
Article Type
Article
Citation

PHYSICS OF THE SOLID STATE, v.46, no.8, pp.1508 - 1519

ISSN
1063-7834
DOI
10.1134/1.1788787
URI
http://hdl.handle.net/10203/261935
Appears in Collection
PH-Journal Papers(저널논문)
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