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Enhanced radiation hardness of InAs/InP quantum wires

AuthorsSobolev, Nikolai A.; Santos, Nuno M.; Leitão, Joaquim P.; Carmo, Maria C.; Fuster, David ; González Sotos, Luisa ; González Díez, Yolanda ; Wesch, Werner
KeywordsRadiation defects
Radiation hardness
Quantum wires
Issue DateJan-2015
CitationPhysica Status Solidi (B) 252(1): 134-138 (2015)
Abstract© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. We report the influence of 2.4MeV proton irradiation on the photoluminescence (PL) of self-assembled InAs/InP quantum wires (QWRs) and quantum wells (QWs), which show PL emission at similar wavelengths. The proton irradiation leads to an extinction of the PL intensity and to a deterioration of the thermal stability of the PL both in QWR and QW samples. However, the QWRs tend to exhibit higher radiation hardness, especially at low temperatures and upon just above-bandgap excitation.
Publisher version (URL)http://dx.doi.org/10.1002/pssb.201400163
Identifierse-issn: 1521-3951
issn: 0370-1972
Appears in Collections:(IMN-CNM) Artículos
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