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Conferences > QELS > 2011 > JTuB > JTuB3

UV Pump-THz Probe Study of Mechanisms Limiting Luminescence from Nanoscale Compositionally Inhomogeneous AlGaN

Grace D. Metcalfe, Gregory A. Garrett, Paul Rotella, Anand V. Sampath, Jonathan Wright, Hongen Shen, Michael Wraback, Timothy M. Sweeney, and Hailin Wang

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Abstract

We present ultraviolet pump-terahertz probe and photoconductive decay measurements on nanoscale compositionally inhomogeneous AlGaN. Results compared to photoluminescence and time-resolved photoluminescence measurements indicate luminescence from the material is limited by hole trapping.

© 2011 Optical Society of America

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