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Vertical order in stacked layers of self-assembled In(Ga)As quantum rings on GaAs (001)

✍ Scribed by Granados, D.; Garcia, J. M.; Ben, T.; Molina, S. I.

Book ID
115478217
Publisher
American Institute of Physics
Year
2005
Tongue
English
Weight
384 KB
Volume
86
Category
Article
ISSN
0003-6951

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Size filtering effect in vertical stacks
Size filtering effect in vertical stacks of In(Ga)As/GaAs self-assembled quantum rings
✍ W. Ouerghui; A. Melliti; M.A. Maaref; J. Martinez-Pastor; J. Gomis; D. Granados; πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 117 KB

We present a systematic study of closely In(Ga)As/InAs quantum rings (QRs) grown by molecular beam epitaxy (MBE). Photoluminescence (PL) experiments show a strong filtering effect in the ring being stacked and simultaneous linewidth narrowing for the appropriate layer thickness (thinner thickness).