Spatially Resolved Visible Luminescence of Self-Assembled Semiconductor Quantum Dots

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DOIResolve DOI: http://doi.org/10.1126/science.267.5206.1966
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TypeArticle
Journal titleScience
Volume267
Issue5206
Pages19661968; # of pages: 3
AbstractEnsembles of defect-free InAIAs islands of ultrasmall dimensions embedded in AIGaAs have been grown by molecular beam epitaxy. Cathodoluminescence was used to directly image the spatial distribution of the quantum dots by mapping their luminescence and to spectrally resolve very sharp peaks from small groups of dots, thus providing experimental verification for the discrete density of states in a zero-dimensional quantum structure. Visible luminescence is produced by different nominal compositions of InxAI(1-x)As-AIyGa(1-y)As.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12337954
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Record identifierdc1d1708-e7b0-4b11-bc66-8c2bbd6e005d
Record created2009-09-10
Record modified2016-05-09
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