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Sub-Picosecond Carrier Dynamics Explored using Automated High-Throughput Studies of Doping Inhomogeneity within a Bayesian Framework

Published on by Ruqaiya Al-Abri

We investigated Zn-doped GaAs nanowires grown by Aerotaxy method using high-throughput photoluminescence spectroscopy. We performed a big-data analysis comprising of more than 20,000 nanowires where we applied the Bayesian framework to understand carrier dynamics and reveal a correlation between doping and nanowire diameter. Exploiting the spread in carrier lifetimes, we investigated carrier dynamics at sub-picosecond time scale. Finally, we investigated the impact of doping on the internal quantum efficiency of the nanowire, which is crucial for the performance of many optoelectronic applications.

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Funding

The Ministry of Higher Education, Research and Innovation (Sultanate of Oman)

UKRI under the Future Leaders Fellowship program (MR/T021519/1)

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