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Kobak J, Smoleński T, Goryca M, et al. Comparison of magneto-optical properties of various excitonic complexes in CdTe and CdSe self-assembled quantum dots. J Phys Condens Matter. 2016;28(26):265302doi: 10.1088/0953-8984/28/26/265302.
Kobak, J., Smoleński, T., Goryca, M., Rousset, J. G., Pacuski, W., Bogucki, A., Oreszczuk, K., Kossacki, P., Nawrocki, M., Golnik, A., Płachta, J., Wojnar, P., Kruse, C., Hommel, D., Potemski, M., & Kazimierczuk, T. (2016). Comparison of magneto-optical properties of various excitonic complexes in CdTe and CdSe self-assembled quantum dots. Journal of physics. Condensed matter : an Institute of Physics journal, 28(26), 265302. https://doi.org/10.1088/0953-8984/28/26/265302
Kobak, J, et al. "Comparison of magneto-optical properties of various excitonic complexes in CdTe and CdSe self-assembled quantum dots." Journal of physics. Condensed matter : an Institute of Physics journal vol. 28,26 (2016): 265302. doi: https://doi.org/10.1088/0953-8984/28/26/265302
Kobak J, Smoleński T, Goryca M, Rousset JG, Pacuski W, Bogucki A, Oreszczuk K, Kossacki P, Nawrocki M, Golnik A, Płachta J, Wojnar P, Kruse C, Hommel D, Potemski M, Kazimierczuk T. Comparison of magneto-optical properties of various excitonic complexes in CdTe and CdSe self-assembled quantum dots. J Phys Condens Matter. 2016 Jul 06;28(26):265302. doi: 10.1088/0953-8984/28/26/265302. Epub 2016 May 13. PMID: 27173643.
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J Phys Condens Matter. 2016 Jul 06;28(26):265302. doi: 10.1088/0953-8984/28/26/265302. Epub 2016 May 13.

Comparison of magneto-optical properties of various excitonic complexes in CdTe and CdSe self-assembled quantum dots.

Journal of physics. Condensed matter : an Institute of Physics journal

J Kobak, T Smoleński, M Goryca, J-G Rousset, W Pacuski, A Bogucki, K Oreszczuk, P Kossacki, M Nawrocki, A Golnik, J Płachta, P Wojnar, C Kruse, D Hommel, M Potemski, T Kazimierczuk

Affiliations

  1. Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland.

PMID: 27173643 DOI: 10.1088/0953-8984/28/26/265302

Abstract

We present a comparative study of two self-assembled quantum dot (QD) systems based on II-VI compounds: CdTe/ZnTe and CdSe/ZnSe. Using magneto-optical techniques we investigated a large population of individual QDs. The systematic photoluminescence studies of emission lines related to the recombination of neutral exciton X, biexciton XX, and singly charged excitons (X(+), X(-)) allowed us to determine average parameters describing CdTe QDs (CdSe QDs): X-XX transition energy difference 12 meV (24 meV); fine-structure splitting δ1=0.14 meV (δ1=0.47 meV); g-factor g  =  2.12 (g  =  1.71); diamagnetic shift γ=2.5 μeV T(-2) (γ =1.3 μeV T(-2)). We find also statistically significant correlations between various parameters describing internal structure of excitonic complexes.

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