| DOI | Resolve DOI: https://doi.org/10.1143/JJAP.43.2088 |
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| Author | Search for: Awirothananon, S.1; Search for: Sheng, W.1; Search for: Babinski, Adam; Search for: Studenikin, Sergei1; Search for: Raymond, S.1; Search for: Sachrajda, Andrew1; Search for: Potemski, M.; Search for: Fafard, S.; Search for: Ortner, G.; Search for: Bayer, M. |
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| Affiliation | - National Research Council Canada. NRC Institute for Microstructural Sciences
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| Format | Text, Article |
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| Abstract | A set of self-assembled InAs/GaAs quantum dot (QD) samples annealed at various temperatures for 30 s was studied using magneto-photoluminescence up to 28 T. Blueshifts increasing with annealing temperature, due to Ga-As interchange at the QD-barrier interface, are correlated with a reduction in inhomogeneous broadening and a reduction in inter-sublevel spacing. These new sample properties allow us to obtain clear crossing patterns closely matched with Fock-Darwin diagrams where the field applied perpendicular to the QD plane lifts the state degeneracies. In the limit that in-plane electron and hole wavefunction extension is the same, the splitting of the p-shell with magnetic field is inversely proportional to the in-plane exciton reduced mass. We use this to obtain the evolution of the latter with intermixing, and compare with predictions of single-particle k*p calculations. |
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| Publication date | 2004 |
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| In | |
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| NPARC number | 12744052 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | e17424b2-19db-4522-9857-bdc6d8d94b03 |
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| Record created | 2009-10-27 |
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| Record modified | 2020-04-17 |
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