Influence of free carrier screening on the luminescence energy shift and carrier lifetime of InGaN quantum wells
- 15 September 2002
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 92 (6) , 3071-3074
- https://doi.org/10.1063/1.1502186
Abstract
We studied the influence of free carrier screening on the luminescence energy shift and carrier lifetime of InGaN multiple quantum wells (MQWs) mainly in relation to a quantum-confined Stark effect. We performed a systematic time-resolved photoluminescence measurement of MQWs for various carrier densities and three different well widths (2.5, 4.0, and 5.5 nm). We show that the energy shift and the change in carrier lifetime are explained well by the free carrier screening effect which compensates for the internal electric field.This publication has 17 references indexed in Scilit:
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