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Título: | Size dependent carrier thermal escape and transfer in bimodally distributed self assembled InAs/GaAs quantum dots |
Autor: | Muñoz-Matutano, G.; Suárez Álvarez, Isaac CSIC ORCID; Canet-Ferrer, J.; Alén, Benito CSIC ORCID; Rivas, D.; Seravalli, Luca; Trevisi, G.; Frigeri, Paola; Martínez Pastor, Juan Pascual CSIC ORCID | Fecha de publicación: | 2012 | Editor: | American Institute of Physics | Citación: | Journal of Applied Physics 111: 123522 (2012) | Resumen: | We have investigated the temperature dependent recombination dynamics in two bimodally distributed InAs self assembled quantum dots samples. A rate equations model has been implemented to investigate the thermally activated carrier escape mechanism which changes from exciton-like to uncorrelated electron and hole pairs as the quantum dot size varies. For the smaller dots, we find a hot exciton thermal escape process. We evaluated the thermal transfer process between quantum dots by the quantum dot density and carrier escape properties of both samples. © 2012 American Institute of Physics. | Versión del editor: | http://dx.doi.org/10.1063/1.4729315 | URI: | http://hdl.handle.net/10261/133793 | DOI: | 10.1063/1.4729315 | Identificadores: | issn: 0021-8979 e-issn: 1089-7550 |
Aparece en las colecciones: | (IMN-CNM) Artículos |
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quantum_dots_Munoz.pdf | 1,67 MB | Adobe PDF | Visualizar/Abrir |
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