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适用于使用面探测器的掠入射散射的谢勒晶粒尺寸分析。

Scherrer grain-size analysis adapted to grazing-incidence scattering with area detectors.

作者信息

Smilgies Detlef-M

机构信息

Cornell High Energy Synchrotron Source (CHESS), Cornell University, Ithaca, NY 14853, USA.

出版信息

J Appl Crystallogr. 2009 Dec 1;42(Pt 6):1030-1034. doi: 10.1107/S0021889809040126. Epub 2009 Oct 15.

Abstract

Ever since its formulation, the Scherrer formula has been the workhorse for quantifying finite size effects in X-ray scattering. Various aspects of Scherrer-type grain-size analysis are discussed with regard to the characterization of thin films with grazing-incidence scattering methods utilizing area detectors. After a brief review of the basic features of Scherrer analysis, a description of resolution-limiting factors in grazing-incidence scattering geometry is provided. As an application, the CHESS D1 beamline is characterized for typical scattering modes covering length scales from the molecular scale to the nanoscale.

摘要

自其提出以来,谢乐公式一直是X射线散射中量化有限尺寸效应的主要工具。本文讨论了利用面探测器的掠入射散射方法对薄膜进行表征时,谢乐型晶粒尺寸分析的各个方面。在简要回顾了谢乐分析的基本特征之后,给出了掠入射散射几何中分辨率限制因素的描述。作为一个应用实例,对CHESS D1光束线在覆盖从分子尺度到纳米尺度的典型散射模式下进行了表征。

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