Polarized time-resolved photoluminescence measurements of m-plane AlGaN/GaN MQWs

Daniel Rosales; B. Gil; T. Bretagnon; F. Zhang; S. Okur; M. Monavarian; N. Izioumskaia; V. Avrutin; Ü. Özgür; H. Morkoç; J. H. Leach

doi:10.1117/12.2036984

8 March 2014 Polarized time-resolved photoluminescence measurements of m-plane AlGaN/GaN MQWs

Daniel Rosales, B. Gil, T. Bretagnon, F. Zhang, S. Okur, M. Monavarian, N. Izioumskaia, V. Avrutin, Ü. Özgür, H. Morkoç, J. H. Leach

Author Affiliations +

Proceedings Volume 8986, Gallium Nitride Materials and Devices IX; 89860L (2014) https://doi.org/10.1117/12.2036984
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

The optical properties of GaN/Al_0.15Ga_0.85N multiple quantum wells grown on m-plane oriented substrate are studied in 8K–300K temperature range. The optical spectra reveal strong in-plane optical anisotropies as predicted by group theory. Polarized time resolved temperature-dependent photoluminescence experiments are performed providing access to the relative contributions of the non-radiative and radiative recombination processes. We deduce the variation of the radiative decay time with temperature in the two polarizations.

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Daniel Rosales, B. Gil, T. Bretagnon, F. Zhang, S. Okur, M. Monavarian, N. Izioumskaia, V. Avrutin, Ü. Özgür, H. Morkoç, and J. H. Leach "Polarized time-resolved photoluminescence measurements of m-plane AlGaN/GaN MQWs", Proc. SPIE 8986, Gallium Nitride Materials and Devices IX, 89860L (8 March 2014); https://doi.org/10.1117/12.2036984

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