SAS实验中颗粒粒度的瑞利分布特性

Nanostructured Materials Pub Date : 1999-11-01 DOI:10.1016/S0965-9773(99)00418-3

Wilfried Gille

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引用次数: 4

摘要

给出了直径为瑞利分布的准稀释均匀球的小角散射相关函数的解析表达式。在这里，相关函数的二阶导数与球体直径的大小分布密度正好成正比。这是表征纳米相在弦长分布方面的基本情况。

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Properties of the Rayleigh-distribution for particle sizing from SAS experiments

The analytic expression of the correlation function of Small-Angle Scattering of a quasi-diluted arrangement of homogeneous spheres, the diameters of which are Rayleigh-distributed, is given. Here, the second derivative of the correlation function is exactly proportional to the size distribution density of the diameters of the spheres. This is a fundamental case for the characterization of nanophases in terms of their chord-length distributions.

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Nanostructured Materials

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