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Ab initio absorption spectra of Ge nanocrystals

✍ Scribed by Nesher, Guy; Kronik, Leeor; Chelikowsky, James R.


Book ID
118239034
Publisher
The American Physical Society
Year
2005
Tongue
English
Weight
212 KB
Volume
71
Category
Article
ISSN
1098-0121

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Absorption spectra of hydrogenated germanium nanocrystals are calculated in real space using ab initio pseudopotentials constructed within the local density approximation. Nanocrystals with over 800 atoms are considered. We find the calculated spectra are essentially bulk-like for systems with , 250