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On the origin of logarithmic-normal distributions: An analytical derivation, and its application to nucleation and growth processes

机译:关于对数正态分布的起源:分析推导及其在成核和生长过程中的应用

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摘要

The logarithmic-normal (lognormal) distribution is one of the most frequently observed distributions in nature and describes a large number of physical, biological and even sociological phenomena. The origin of this distribution is therefore of broad interest but a general derivation from basic principles is still lacking. Using random nucleation and growth to describe crystallization processes we derive the time development of grain-size distributions. Our derivation provides, for the first time, an analytical expression of the size distribution in the form of a lognormal type distribution. We apply our results to the grain-size distribution of solid phase crystallized Si-films.
机译:对数正态(对数正态)分布是自然界中最常见的分布之一,它描述了大量的物理,生物学甚至社会学现象。因此,这种分布的起源引起了广泛的兴趣,但是仍然缺乏对基本原理的普遍推导。使用随机成核和生长来描述结晶过程,我们得出了晶粒尺寸分布的时间发展。我们的推导首次提供了对数正态分布形式的大小分布的解析表达式。我们将我们的结果应用于固相结晶硅膜的粒度分布。

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