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