Observation of suppressed Auger mechanism in type-I quantum well structures with delocalized electron-hole wavefunctions
Source abstract
Abstract
We report the first observation of non-threshold Auger mechanism for a quantum well structure with Type-I band alignment. Excitation-dependent photoluminescence measurements were used to extract the Auger recombination coefficients from 77 K up to room temperature. The results verify the role of interface mediated momentum exchange as well as suppression of Auger recombination for delocalized electron-hole wavefunctions.
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Research context
OpenAlex topics: Semiconductor Quantum Structures and Devices · Optical properties and cooling technologies in crystalline materials · Spectroscopy and Laser Applications
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Affiliations
Northwestern University Bio-Inspired Sensors and Optoelectronics Laboratory (BISOL), Department of Electrical Engineering, , Evanston, Illinois 60208, USA
Funding
National Science Foundation · Army Research Office · Defense Advanced Research Projects Agency
References (25)
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