WebApr 10, 2024 · Here, we demonstrate a mixed-dimensional WS2/WSe2/p-Si unipolar barrier photodetector, in which 2D WS2 acts as the photon absorber, atomically thin WSe2 as the unipolar barrier, and 3D p-Si as the photogenerated carrier collector. ... Zhu X, Lin F, Zhang Z, et al. Enhancing performance of a GaAs/AlGaAs/GaAs nanowire photodetector … WebApr 2, 2024 · III–V nanowires grown by the vapor–liquid–solid method often show self-regulated oscillations of group V concentration in a catalyst droplet over the monolayer growth cycle. We investigate theoretically how this effect influences the electron-to-hole ratio in Si-doped GaAs nanowires. Several factors influencing the As depletion in the …
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WebPicosecond response times in GaAs/AlGaAs core/shell nanowire-based photodetectors Eric M. Gallo,1 Guannan Chen,1 Marc Currie,2 Terrence McGuckin,1 Paola Prete,3 Nico Lovergine,4 Bahram Nabet,5 and Jonathan E. Spanier1,a 1Department of Materials Science & Engineering, Drexel University, Philadelphia, Pennsylvania 19104, USA 2Optical … WebMay 14, 2014 · We demonstrate an efficient core-shell GaAs/AlGaAs nanowire photodetector operating at room temperature. The design of this nanoscale detector is … gear pattern on a 13 speed
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WebApr 8, 2024 · Enhancing Performance of a GaAs/AlGaAs/GaAs Nanowire Photodetector Based on the Two-Dimensional Electron-Hole Tube Structure . Authors Xiaotian Zhu 1 , Fengyuan Lin 1 , Zhihong Zhang 1 , Xue Chen 1 , Hao Huang 2 , Dengkui Wang 1 , Jilong Tang 1 , Xuan Fang 1 , Dan Fang 1 , Johnny C Ho 3 , Lei Liao 4 , Zhipeng Wei 1 Affiliations WebJan 11, 2016 · Abstract: We demonstrate an efficient core-shell GaAs/AlGaAs nanowire photodetector operating at room temperature. The design of this nanoscale detector is … WebJan 1, 2024 · We report on the photoconductance characteristics of indium tin oxide (ITO)-GaAs photodetectors based on patterned nanopillar (NP) arrays grown by metal … gear penetration depth isle of man scallop