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Advanced grazing-incidence techniques for modern soft-matter materials analysis

机译:先进的掠入射技术用于现代软物质材料分析

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摘要

The complex nano-morphology of modern soft-matter materials is successfully probed with advanced grazing-incidence techniques. Based on grazing-incidence small- and wide-angle X-ray and neutron scattering (GISAXS, GIWAXS, GISANS and GIWANS), new possibilities arise which are discussed with selected examples. Due to instrumental progress, highly interesting possibilities for local structure analysis in this material class arise from the use of micro- and nanometer-sized X-ray beams in micro- or nanofocused GISAXS and GIWAXS experiments. The feasibility of very short data acquisition times down to milliseconds creates exciting possibilities for in situ and in operando GISAXS and GIWAXS studies. Tuning the energy of GISAXS and GIWAXS in the soft X-ray regime and in time-of flight GISANS allows the tailoring of contrast conditions and thereby the probing of more complex morphologies. In addition, recent progress in software packages, useful for data analysis for advanced grazing-incidence techniques, is discussed.
机译:现代软物质材料的复杂纳米形态已通过先进的掠入射技术成功地进行了探测。基于掠入射小角度和广角X射线以及中子散射(GISAXS,GIWAXS,GISANS和GIWANS),出现了新的可能性,并与选定的例子进行了讨论。由于仪器的进步,在微米或纳米聚焦GISAXS和GIWAXS实验中使用微米和纳米尺寸的X射线束,为此类材料中的局部结构分析带来了非常有趣的可能性。极短的数据采集时间(低至毫秒)的可行性为原位和操作GISAXS和GIWAXS研究创造了令人兴奋的可能性。在柔和的X射线状态和飞行时间中调整GISAXS和GIWAXS的能量GISANS允许定制对比度条件,从而探测更复杂的形态。此外,还讨论了软件包的最新进展,该软件包可用于高级放牧事件技术的数据分析。

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