III-N led中热电子输运的蒙特卡罗模拟

Pyry Kivisaari, T. Sadi, J. Oksanen, J. Tulkki
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引用次数: 1

摘要

利用蒙特卡罗模拟研究了多量子阱(MQW)发光二极管(LED)中的电子动力学,结果表明,在强注入下,量子阱中的奥热复合产生了一个热电子居群,在距离MQW 250 nm的p接触处仍然可见。俄歇激发电子产生的泄漏电流也明显大于漂移扩散预测的泄漏电流,表明在强注入下III-N led中的电子泄漏主要是由俄歇激发热电子引起的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Monte Carlo simulation of hot electron transport in III-N LEDs
We study electron dynamics in a multi-quantum well (MQW) light-emitting diode (LED) using Monte Carlo simulation and show that at strong injection, Auger recombination in the quantum wells creates a hot electron population which is still visible at the p-contact 250 nm away from the MQW. The Auger-excited electrons also generate a leakage current that is notably larger than leakage predicted by drift-diffusion, indicating that electron leakage in III-N LEDs at strong injection is predominantly caused by Auger-excited hot electrons.
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