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Quantum size effects on the exciton energy of CdS clusters

✍ Scribed by Wang, Ying; Herron, Norman


Book ID
115464690
Publisher
The American Physical Society
Year
1990
Tongue
English
Weight
165 KB
Volume
42
Category
Article
ISSN
1098-0121

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πŸ“œ SIMILAR VOLUMES


Quantum size effects on the exciton ener
✍ Wang, Ying; Herron, Norman πŸ“‚ Article πŸ“… 1990 πŸ› The American Physical Society 🌐 English βš– 165 KB

We report an experimental investigation of the dependence of the lowest exciton energy of CdS 0 clusters (quantum dots) on the cluster size. The cluster diameter is varied from 60 to 10 A. X-ray diffraction provides definitive identification of the cluster phase and permits a determination of the av

Quantum size effects in semiconductor cr
✍ H.M. Schmidt; H. Weller πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 English βš– 360 KB

For the exciton (e-, h'J confined to a sphere (a simple model for the light absorption of a small semiconductor particle) we calculate some of the electronic states. We use procedures similar to those for the two-electron atom. For radii R smaller than the 'exciton radius" simple oneconfiguration wa

Carrier density effects on the exciton b
✍ A. HernΓ‘ndez-Cabrera πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 110 KB

Carrier density e ects on the dynamics of an electrically pumped exciton, created by hole-assisted, electron resonant tunneling in an asymmetric coupled quantum well system, has been studied self-consistently. Calculations show that, ΓΏrst, the binding energy and the oscillation period decrease with