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首页> 外文期刊>Journal of Applied Crystallography >Quantifying amorphous and crystalline phase content with the atomic pair distribution function
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Quantifying amorphous and crystalline phase content with the atomic pair distribution function

机译：用原子对分布函数定量非晶相和晶相的含量

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摘要

Pair distribution function (PDF) analysis is a long-established technique for studying the local structure of amorphous and disordered crystalline materials. In today's increasingly complex materials landscape, the coexistence of amorphous and crystalline phases within single samples is not uncommon. Though a couple of reports have been published studying samples with amorphous and crystalline phases utilizing PDF analysis, to date little has been done to determine the sensitivity that the method currently has in resolving such contributions. This article reports a series of experiments that have been conducted on samples with known ratios of crystalline quartz and amorphous glassy silica to examine this question in detail. Systematic methods are proposed to obtain the best possible resolution in samples with unknown phase ratios and some problems that one might encounter during analysis are discussed.
机译：对分布函数（PDF）分析是研究非晶态和无序晶体材料的局部结构的悠久技术。在当今日益复杂的材料领域，单个样品中非晶相和结晶相的共存并不罕见。尽管已经发表了一些利用PDF分析方法研究具有非晶相和结晶相的样品的报告，但迄今为止，几乎没有确定该方法目前在解决此类贡献方面的敏感性的研究。本文报告了对具有已知比例的结晶石英和非晶态玻璃态二氧化硅的样品进行的一系列实验，以详细研究此问题。提出了系统的方法以在未知相位比的样品中获得最佳的分辨率，并讨论了分析过程中可能遇到的一些问题。

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