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arXiv 1809.02787cond-mat.mes-hall
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补偿半导体中施主-受主复合的两个分量。存在静电涨落的光谱解析模型

Two components of donor-acceptor recombination in compensated semiconductors. Analytical model of spectra in presence of electrostatic fluctuations

N. A. Bogoslovskiy, P. V. Petrov, Yu. L. Ivanov K. D. Tsendin, N. S. Averkiev

摘要:

我们报道了补偿半导体中施主-受主复合的数值和解析研究。我们的计算考虑了带电杂质的随机电场,这在非零补偿情况下是很重要的。我们发现,施主-受主光谱可以描述为两个组成部分的总和:单分子和双分子。在低补偿限制,我们开发了两种类型的复合的分析模型。此外,我们的数值模拟预测,这两个组件的光致发光光谱可以解决在一定的实验条件下。

英文摘要:

We report numerical and analytical studies of the donor-acceptor recombination in compensated semiconductors. Our calculations take into account random electric fields of charged impurities which are important in non zero compensation case. We show that the donor-acceptor optical spectrum can be described as a sum of two components: monomolecular and bimolecular. In the low compensation limit we develop two analytical models for both types of the recombination. Also our numerical simulation predicts that these two components of the photoluminescence spectra can be resolved under certain experimental conditions.

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