IndiumV3, Russie, Analysis, bibRecord, 001195

Nature of optical transitions in self-organized InAs/GaAs quantum dots

Identifieur interne : 001195 ( Russie/Analysis ); précédent : 001194; suivant : 001196

Nature of optical transitions in self-organized InAs/GaAs quantum dots

Auteurs : RBID : Pascal:97-0096057

Descripteurs français

Pascal (Inist)
- 7320D, 7866F, 7855, Etude expérimentale.

English descriptors

KwdEn :
- Experimental study.

Abstract

Electronic transitions in nm-scale pyramid-shaped InAs/GaAs quantum dots feature only ground-state electrons. Allowed optical transitions involving excited hole states in addition to the ground-state transition are revealed in absorption and photoluminescence spectra. The experimental data agree with detailed theoretical calculations of the electronic structure, including strain, piezoelectric, and excitonic effects, and lead to unambiguous assignment of the transitions. We find as upper bound for the relative standard deviation of the size fluctuation ξ≤0.04. The hole sublevel separation is consistent with a pyramid shape fluctuation between {101} and {203} side facets. © 1996 The American Physical Society.

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Pascal:97-0096057

Le document en format XML

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<front><div type="abstract" xml:lang="en">Electronic transitions in nm-scale pyramid-shaped InAs/GaAs quantum dots feature only ground-state electrons. Allowed optical transitions involving excited hole states in addition to the ground-state transition are revealed in absorption and photoluminescence spectra. The experimental data agree with detailed theoretical calculations of the electronic structure, including strain, piezoelectric, and excitonic effects, and lead to unambiguous assignment of the transitions. We find as upper bound for the relative standard deviation of the size fluctuation ξ≤0.04. The hole sublevel separation is consistent with a pyramid shape fluctuation between {101} and {203} side facets. © 1996 The American Physical Society.</div>
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Nature of optical transitions in self-organized InAs/GaAs quantum dots

Nature of optical transitions in self-organized InAs/GaAs quantum dots

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri