Dynamic X-ray coherent diffraction analysis: bridging the timescales between imaging and photon correlation spectroscopy
Abstract
The advent of diffraction limited sources and developments in detector technology opens up new possibilities for the study of materials in situ and operando. Coherent X-ray diffraction techniques such as coherent X-ray diffractive imaging (CXDI) and X-ray photon correlation spectroscopy (XPCS) are capable for this purpose and provide complimentary information, although due to signal-to-noise requirements, their simultaneous demonstration has been limited. Here, we demonstrate a strategy for the simultaneous use of CXDI and XPCS to study in situ the Brownian motion of colloidal gold nanoparticles of 200 nm diameter suspended in a glycerol-water mixture. We visualise the process of agglomeration, examine the spatiotemporal space accessible with the combination of techniques, and demonstrate CXDI with 22 ms temporal resolution.
Cite
@article{arxiv.2408.05041,
title = {Dynamic X-ray coherent diffraction analysis: bridging the timescales between imaging and photon correlation spectroscopy},
author = {Gerard N. Hinsley and Fabian Westermeister and Bihan Wang and Kuan Hoon Ngoi and Shweta Singh and Rustam Rysov and Michael Sprung and Cameron M. Kewish and Grant A. van Riessen and Ivan A. Vartanyants},
journal= {arXiv preprint arXiv:2408.05041},
year = {2024}
}
Comments
29 pages, 12 figures, 40 references