首页> 外文期刊>Powder diffraction >Trace phase detection and strain characterization from serial X-ray free-electron laser crystallography of a Pr0.5Ca0.5MnO3 powder
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Trace phase detection and strain characterization from serial X-ray free-electron laser crystallography of a Pr0.5Ca0.5MnO3 powder

机译:Pr0.5Ca0.5MnO3粉末的连续X射线自由电子激光结晶学进行痕量相检测和应变表征

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摘要

We report on the analysis of virtual powder-diffraction patterns from serial femtosecond crystallography (SFX) data collected at an X-ray free-electron laser. Different approaches to binning and normalizing these patterns are discussed with respect to the microstructural characteristics which each highlights. Analysis of SFX data from a powder of Pr0.5Ca0.5MnO3 in this way finds evidence of other trace phases in its microstructure which was not detectable in a standard powder-diffraction measurement. Furthermore, a comparison between two virtual powder pattern integration strategies is shown to yield different diffraction peak broadening, indicating sensitivity to different types of microstrain. This paper is a first step in developing new data analysis methods for microstructure characterization from serial crystallography data. (C) 2014 International Centre for Diffraction Data.
机译:我们报告了从连续飞秒晶体学(SFX)数据在X射线自由电子激光器收集的虚拟粉末衍射图样的分析结果。关于每种模式所强调的微观结构特征,讨论了对这些图案进行装仓和归一化的不同方法。用这种方法对来自Pr0.5Ca0.5MnO3粉末的SFX数据进行分析,发现其微观结构中存在其他痕量相的证据,而在标准粉末衍射测量中无法检测到。此外,两种虚拟粉末图案积分策略之间的比较显示出不同的衍射峰展宽,表明对不同类型的微应变敏感。本文是开发用于从串行晶体学数据表征微观结构的新数据分析方法的第一步。 (C)2014年国际衍射数据中心。

著录项

  • 来源
    《Powder diffraction》 |2015年第1期|S25-S30|共6页
  • 作者单位

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany;

    Univ Gottingen, Inst Mat Phys, D-37085 Gottingen, Germany;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany;

    SLAC Natl Accelerator Lab, LCLS, Menlo Pk, CA 94025 USA;

    Diamond Light Source, Oxford OX11 0DE, England;

    Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA;

    Max Planck Inst Struct & Dynam Matter, D-22761 Hamburg, Germany;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany|Univ Hamburg, Dept Phys, D-20355 Hamburg, Germany;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany;

    Univ Pittsburgh, Swanson Sch Engn, Pittsburgh, PA 15261 USA;

    Univ Gottingen, Inst Mat Phys, D-37085 Gottingen, Germany;

    Max Planck Inst Struct & Dynam Matter, D-22761 Hamburg, Germany;

    SLAC Natl Accelerator Lab, LCLS, Menlo Pk, CA 94025 USA;

    Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA;

    Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA;

    Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany;

    SLAC Natl Accelerator Lab, LCLS, Menlo Pk, CA 94025 USA;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany;

    Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA;

    Max Planck Inst Struct & Dynam Matter, D-22761 Hamburg, Germany|Univ Hamburg, Dept Phys, D-20355 Hamburg, Germany;

    Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci, Notkestr 85, D-22607 Hamburg, Germany|Univ Hamburg, Dept Phys, D-20355 Hamburg, Germany|Ctr Ultrafast Imaging, D-22607 Hamburg, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nanocrystalline materials; serial crystallography; trace phase detection; strain characterization; X-ray free-electron lasers; manganite; quantitative phase analysis;

    机译:纳米晶材料;串行晶体学;痕量相检测;应变表征;X射线自由电子激光;锰矿;定量相分析;

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