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Interplay of surface charges and excitons localized in CdSe/ZnSe quantum dots

✍ Scribed by V Türck; S Rodt; R Heitz; O Stier; M Straßburg; U.W Pohl; D Bimberg


Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
287 KB
Volume
13
Category
Article
ISSN
1386-9477

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Relaxation of hot excitons in CdZnSe/ZnS
✍ R. Spiegel; G. Bacher; O. Breitwieser; A. Forchel; B. Jobst; D. Hommel; G. Landw 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 83 KB

The relaxation dynamics of hot excitons was studied in (Zn,Cd)Se/ZnSe quantum wells and quantum dots. A fast population of the radiative excitonic ground state occurs for an excitation excess energy corresponding to an integer number of optical phonon energies. This is indicated by a spectrally narr