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Spatially resolved luminescence investigation of AlGaAs/GaAs single quantum wire modified by selective implantation and annealing

Liu, Qiu Xiang; Lu, W; Li, Zhong Hui; Chen, Yong J; Shen, S; Fu, Y; Willander, M; Yuan, Shu; Jagadish, Chennupati; Zou, Jin; Cockayne, David John Hugh; Tan, Hark Hoe


Single Al0.5Ga0.5As/GaAs V-groove quantum wires (QWR) modified by selective implantation and rapid thermally annealing were investigated by spatially resolved microphotoluminescence (micro-PL). The PL from the necking region was clearly observed at room temperature. Optical properties of QWR and the adjacent quantum well structures were strongly degraded by the implantation. The recovery properties of the PL signals from all the structures were dependent on the implantation dose. A critical...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Applied Physics Letters


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