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Excitonic vs free-carrier spin relaxation in III-V quantum wells

Excitonic vs free-carrier spin relaxation in III-V quantum wells
Excitonic vs free-carrier spin relaxation in III-V quantum wells
Spin and population dynamics of photoexcited carriers in GaAs/AlGaAs and InGaAs/InP quantum wells is investigated from 5K to 300K, revealing transition between excitonic and free carrier spin-relaxation at intermediate temperatures. Localisation is found to prolong spin relaxation of excitons by two orders of magnitude.
Malinowski, A.
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Marsden, P.A.
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Britton, R.S.
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Puech, K.
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Tropper, A.C.
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Harley, R.T.
54613031-f60f-45f4-9b20-e49bcfd53b77
Malinowski, A.
54fd31d4-b510-4726-a8cd-33b6b2ad0427
Marsden, P.A.
4a0ef10a-358b-4b0f-95b2-c314731712aa
Britton, R.S.
5c67250e-9690-48f5-9bd9-274d3c88639f
Puech, K.
0a48c503-b240-445f-ab9b-8ea4cfc2038a
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Harley, R.T.
54613031-f60f-45f4-9b20-e49bcfd53b77

Malinowski, A., Marsden, P.A., Britton, R.S., Puech, K., Tropper, A.C. and Harley, R.T. (2000) Excitonic vs free-carrier spin relaxation in III-V quantum wells. 25th International Conferenceon the Physics of Semiconductors (ICPS 2000), , Osaka, Japan. 18 - 22 Aug 2000.

Record type: Conference or Workshop Item (Paper)

Abstract

Spin and population dynamics of photoexcited carriers in GaAs/AlGaAs and InGaAs/InP quantum wells is investigated from 5K to 300K, revealing transition between excitonic and free carrier spin-relaxation at intermediate temperatures. Localisation is found to prolong spin relaxation of excitons by two orders of magnitude.

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More information

Published date: August 2000
Venue - Dates: 25th International Conferenceon the Physics of Semiconductors (ICPS 2000), , Osaka, Japan, 2000-08-18 - 2000-08-22
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Identifiers

Local EPrints ID: 38213
URI: http://eprints.soton.ac.uk/id/eprint/38213
PURE UUID: ba6e2575-4510-490e-8228-38bdf7b7eb19

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Date deposited: 06 Jun 2006
Last modified: 11 Dec 2021 15:39

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Contributors

Author: A. Malinowski
Author: P.A. Marsden
Author: R.S. Britton
Author: K. Puech
Author: A.C. Tropper
Author: R.T. Harley

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