Time-resolved photoluminescence of nitrogen-cluster states in dilute Ga(NAs)/GaAs heterostructures

Hantke, K., Horst, S., Kohli, K., Chatterjee, S., Klar, P. J., Stolz, W., Ruehle, W. W., Masia, Francesco ORCID: https://orcid.org/0000-0003-4958-410X, Pettinari, G., Polimeni, A. and Capizzi, M. 2007. Time-resolved photoluminescence of nitrogen-cluster states in dilute Ga(NAs)/GaAs heterostructures. Presented at: CLEO 2007: Conference on Lasers and Electro-Optics, Baltimore, MD, 6-11 May 207. 2007 Conference on Lasers & Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS 2007), Vols 1-5. 2007 Conference On Lasers & Electro-optics/quantum Electronics And Laser Science Conference (cleo/qels 2007), Vols 1-5. IEEE, pp. 1-2. 10.1109/CLEO.2007.4452600

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Abstract

We investigate time-resolved photoluminescence in Ga(NAs)/GaAs. We find that energy relaxation of optically excited carriers from the conduction band into nitrogen-related cluster states depends on temperature, excitation density, and effective nitrogen concentration after hydrogenation.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Additional Information:	DOI does not work.
Publisher:	IEEE
ISBN:	9781557528346
Last Modified:	27 Oct 2022 10:14
URI:	https://orca.cardiff.ac.uk/id/eprint/69455

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