Extracting accurate PDF data from in situ environment of materials using X-ray diffractometer.

IF 1.8 4区 化学 Q3 CHEMISTRY, ANALYTICAL
Yuji Shiramata, Takayuki Konya, Kentaro Kobayashi, Yui Ishii, Satoshi Hiroi, Hiroki Yamada, Koji Ohara
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引用次数: 0

Abstract

Pair distribution function (PDF) analysis is a technique traditionally used at synchrotron radiation facilities, but it is now possible to obtain adequate measurements using laboratory-based equipment as well. In addition, cryo-furnaces that enable in situ measurements while controlling temperature have been well established for some time. PDF analysis requires data from a wide range of reciprocal space, along with measurements at short wavelengths. However, the development of time-resolved PDF measurements, which can be captured within a short time span, has also made significant progress. In this study, we demonstrate the reliability of PDF measurements using laboratory equipment and perform a local structure analysis of materials exhibiting an interesting structural phase transition in LaCu6-xAgx through temperature-dependent in situ PDF analysis. By comparing these results with those obtained from synchrotron sources, we provide further validation of the laboratory-based measurements. Our results confirm that in situ PDF measurements obtained with laboratory-based equipment are reliable and effective for studying structural disorder in various materials.

利用x射线衍射仪从材料的原位环境中提取准确的PDF数据。
对分布函数(PDF)分析是传统上用于同步辐射设施的技术,但现在也可以使用实验室设备获得充分的测量结果。此外,能够在控制温度的同时进行现场测量的低温炉已经建立了一段时间。PDF分析需要来自宽范围的互反空间的数据,以及短波长的测量数据。然而,可以在短时间内捕获的时间分辨PDF测量的发展也取得了重大进展。在本研究中,我们利用实验室设备证明了PDF测量的可靠性,并通过温度相关的原位PDF分析对LaCu6-xAgx中显示有趣结构相变的材料进行了局部结构分析。通过将这些结果与同步加速器源获得的结果进行比较,我们进一步验证了基于实验室的测量结果。我们的研究结果证实,用实验室设备获得的原位PDF测量对于研究各种材料的结构紊乱是可靠和有效的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Analytical Sciences
Analytical Sciences 化学-分析化学
CiteScore
2.90
自引率
18.80%
发文量
232
审稿时长
1 months
期刊介绍: Analytical Sciences is an international journal published monthly by The Japan Society for Analytical Chemistry. The journal publishes papers on all aspects of the theory and practice of analytical sciences, including fundamental and applied, inorganic and organic, wet chemical and instrumental methods. This publication is supported in part by the Grant-in-Aid for Publication of Scientific Research Result of the Japanese Ministry of Education, Culture, Sports, Science and Technology.
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