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Emission wavelength extension of mid-infrared InAsSb/InP nanostructures using InGaAsSb sandwich layers

Lei, Wen; Jagadish, Chennupati; Tan, Hark Hoe


This paper presents a study on the emission wavelength extension of InAsSb nanostructures using InGaAsSb sandwich layers. Due to the reduced lattice mismatch between InAsSb nanostructure layer and buffer/capping layer, the introduction of InGaAsSb sandwich layers leads to larger island size, reduced compressive strain and lower confinement barrier for InAsSb nanostructures, thus resulting in a longer emission wavelength. For InGaAsSb sandwich layers with nominal Sb concentration higher than...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Journal of Physics D: Applied Physics
DOI: 10.1088/0022-3727/43/30/302001


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