Competition effects in the carrier capture into InxGa1-xAs/GaAs double-quantum-well structures

Borri, Paola ORCID: https://orcid.org/0000-0002-7873-3314, Gurioli, M., Colocci, M., Martelli, F. and Capizzi, M. 1997. Competition effects in the carrier capture into InxGa1-xAs/GaAs double-quantum-well structures. Physical Review B 56 (15) , pp. 9228-9230. 10.1103/PhysRevB.56.9228

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Abstract

We report on an experimental study, using continuous-wave and time-resolved photoluminescence spectroscopy, of the carrier capture into InxGa1-xAs/GaAs double-quantum-well structures. We observe oscillations in the carrier collection efficiency as a function of the excitation energy; the counter-phased modulations of the photoluminescence excitation spectra of the two wells clearly demonstrate a competition in the carrier capture into the wells. The time-resolved measurements provide a direct insight on the dynamics of the capture process.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	American Physical Society
ISSN:	0163-1829
Last Modified:	25 Oct 2022 09:42
URI:	https://orca.cardiff.ac.uk/id/eprint/59707

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