利用纳秒X射线散斑可见度谱探测纳米尺度非均匀动力学
软凝聚态物质
2021-08-04 v1
摘要
我们报道了利用超快X射线散斑可见度谱揭示自由流动胶体射流中纳秒、纳米尺度非均匀动力学的观测结果。Linac相干光源自由电子激光的纳秒双束团模式能够产生成对的飞秒相干硬X射线脉冲。通过探究与各向异性求和散斑可见度（其与关联函数相关）有关的量，我们不仅能够评估胶体纳米颗粒射流中的平均粒子流率，还能评估其中的非均匀流场。本文所报道的方法论为利用X射线自由电子激光源研究复杂物质中纳米及原子尺度的非均匀涨落奠定了基础。
引用
@article{arxiv.2103.11231,
title = {Nanoscale heterogeneous dynamics probed by nanosecond x-ray speckle visibility spectroscopy},
author = {Yanwen Sun and Gabriella Carini and Matthieu Chollet and Franz-Josef Decker and Mike Dunne and Paul Fuoss and Stephan O. Hruszkewycz and Thomas J. Lane and Kazutaka Nakahara and Silke Nelson and Aymeric Robert and Takahiro Sato and Sanghoon Song and G. Brian Stephenson and Mark Sutton and Tim B. Van Driel and Clemens Weninger and Diling Zhu},
journal= {arXiv preprint arXiv:2103.11231},
year = {2021}
}