3D Atomic-Scale Insights into Anisotropic Core-Shell-Structured InGaAs Nanowires Grown by Metal-Organic Chemical Vapor Deposition
Qu, Jiangtao; Du, Si; Burgess, Timothy; Wang, Changhong; Cui, Xiangyuan; Gao, Qiang; Wang, Weichao; Tan, Hark Hoe; Liu, Hui; Jagadish, Chennupati; Zhang, Yingjie; Chen, Hansheng; Khan, Mansoor; Ringer, Simon Peter; Zheng, Rongkun
III-V ternary InGaAs nanowires have great potential for electronic and optoelectronic device applications; however, the 3D structure and chemistry at the atomic-scale inside the nanowires remain unclear, which hinders tailoring the nanowires for specific applications. Here, atom probe tomography is used in conjunction with a first-principles simulation to investigate the 3D structure and chemistry of InGaAs nanowires, and reveals i) the nanowires form a spontaneous core-shell structure with a...[Show more]
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