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Screening of excitonic states by low-density 2D charge carriers in GaAs/AlGaAs quantum wells

Gubarev, S. I. and Kukushkin, I. V. and Tovstonog, S. V. and Akimov, M. Yu. and Smet, J. H. and Klitzing, Klaus von and Wegscheider, Werner (2000) Screening of excitonic states by low-density 2D charge carriers in GaAs/AlGaAs quantum wells. JETP Letters 72 (6), pp. 324-328.

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Abstract

Screening of excitonic states by a system of 2D electrons (or holes) in GaAs/AlGaAs single quantum wells is studied. With increasing concentration of 2D charge carriers, a threshold-type disappearance of excitonic states is observed in both luminescence and reflectance spectra. The higher the quality of the 2D system, the lower the corresponding threshold concentration. In the best systems, the ...

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Item Type:Article
Date:September 2000
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1134/1.1328448DOI
Classification:
NotationType
73.20.Dx - 71.35.CcPACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:30 Nov 2009 13:31
Last Modified:13 Mar 2014 12:10
Item ID:11056
Owner Only: item control page
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