Study on irradiation-induced defects in GaAs/AlGaAs core–shell nanowires via photoluminescence technique

Tan Li-Ying, Li Fa-Jun^†, Xie Xiao-Long, Zhou Yan- Ping, Ma Jing

(color online) Plots of room-temperature PL spectra of GaAs/AlGaAs NWs irradiated at fluences ranging from cm to cm , excited by 522-nm laser. Data for the as-grown samples are also included for reference.