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5 October 2023 Optical characterization of excitonic dynamics at the type-II polytype interface of InP platelets
Asmita Jash, Anders Gustafsson, Mats-Erik Pistol, Sebastian Lehmann, Kimberly D. Thelander
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Proceedings Volume PC12651, Low-Dimensional Materials and Devices 2023; PC126510G (2023) https://doi.org/10.1117/12.2677270
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Indirect excitons offer a platform to gain an understanding of the realization of the excitonic-based device and the physics of excitonic condensation. Exploiting transport properties of the indirect excitonic requires a large interface where electrons and holes are spatially separated like polytype type-II interface consisting of the same compound, such as zinc blende and wurtzite InP. The indirect excitons are dipoles and aligned at the type-II interface. Indirect excitons transport a long distance before recombination from the excitation spot by the presence of high-density excitons due to the strong repulsive interaction between dipolar indirect excitons.
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Asmita Jash, Anders Gustafsson, Mats-Erik Pistol, Sebastian Lehmann, and Kimberly D. Thelander "Optical characterization of excitonic dynamics at the type-II polytype interface of InP platelets", Proc. SPIE PC12651, Low-Dimensional Materials and Devices 2023, PC126510G (5 October 2023); https://doi.org/10.1117/12.2677270
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KEYWORDS
Interfaces
Excitons
Conduction bands
Electrons
Heterojunctions
Photoluminescence
Surface properties
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