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Towards quantification of the crucial Impact of auger recombination for the Efficiency droop in (AlInGa)N Quantum well structures

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Nirschl, Anna ; Binder, Michael ; Schmid, Marina ; Pietzonka, Ines ; Lugauer, Hans-Jürgen ; Zeisel, Roland ; Sabathil, Matthias ; Bougeard, Dominique ; Galler, Bastian
Date of publication of this fulltext: 23 Feb 2016 14:41


Recent experimental investigations on the reduction of internal quantum efficiency with increasing current density in (AlInGa)N quantum well structures show that Auger recombination is a significant contributor to the so-called "droop" phenomenon. Using photoluminescence (PL) test structures, we find Auger processes are responsible for at least 15 % of the measured efficiency droop. Furthermore, ...


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