Influence of configuration mixing on energies and recombination dynamics of excitonic states in CdTe/ZnTe quantum dots

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TypeArticle
Journal titleActa Physica Polonica A
ISSN0587-4246
Volume119
Issue5
Pages615617; # of pages: 3
SubjectCdTe/ZnTe; Effective mass approximation; Emission lines; Energy position; Excitonic state; Numerical calculation; Photoluminescence spectrum; Quantum Dot; Radiative lifetime; Recombination dynamics; Recombination process; Relative positions; Single quantum dot; Theoretical models; Electromagnetic wave emission; Quantum optics; Semiconductor quantum dots
AbstractWe study experimentally and theoretically excitonic recombination processes in CdTe/ZnTe quantum dots. The single quantum dot photoluminescence spectrum was observed and emission lines from X, X-, X+ and 2X excitonic states were identified. Experimental results were analysed in the theoretical model based on the effective mass approximation. Numerical calculations of energy positions and recombination probabilities of X, X -, X+ and 2X were performed. Computed results reproduce correctly the order and relative positions of emission lines and ratios of radiative lifetimes.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Microstructural Sciences (IMS-ISM)
Peer reviewedYes
NPARC number21271261
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Record identifier20242a3a-c330-4d2d-b6ee-a9dbc87adf2b
Record created2014-03-24
Record modified2016-05-09
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