Photoluminescence study of Ga-free and Ga-containing Sb-based superlattices for mid-infrared applications

Photoluminescence study of Ga-free and Ga-containing Sb-based superlattices for mid-infrared applications

Presenter(s)

Logan Edward Cordonnier

Description

The goal of this project was to compare the quality of the Ga-free superlattices, InAs/InAsSb, to those of the Ga-containing structures, InAs/GaSb, for possible use as mid-infrared detectors. By using a 532 nm laser, two experiments were conducted. In one experiment, the temperature was fixed at 5 K and the laser power was varied between 10 and 2000 mW. In the other experiment, the laser power was fixed and the sample temperature was varied. The data was analyzed to determine various material parameters. The values of these parameters provided valuable information about the quality and the differences between these two structures. Based on the results of this type of sample characterization, it was clear that the Ga-containing superlattices outperformed the Ga-free ones.

Publication Date

4-24-2019

Project Designation

Independent Research

Primary Advisor

Said Elhamri

Primary Advisor's Department

Physics

Keywords

Stander Symposium project

Photoluminescence study of Ga-free and Ga-containing Sb-based superlattices for mid-infrared applications

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