From femtoseconds to hours—measuring dynamics over 18 orders of magnitude with coherent x-rays

F Lehmkühler, W Roseker, G Grübel - Applied Sciences, 2021 - mdpi.com
X-ray photon correlation spectroscopy (XPCS) enables the study of sample dynamics
between micrometer and atomic length scales. As a coherent scattering technique, it …

Water as a tuneable solvent: a perspective

E Breynaert, M Houlleberghs… - Chemical Society …, 2020 - pubs.rsc.org
Water is the sustainable solvent of excellence, but its high polarity limits the solubility of non-
polar compounds. Confinement of water in hydrophobic pores alters its hydrogen bonding …

Crystal nucleation as the ordering of multiple order parameters

J Russo, H Tanaka - The Journal of Chemical Physics, 2016 - pubs.aip.org
Nucleation is an activated process in which the system has to overcome a free energy
barrier in order for a first-order phase transition between the metastable and the stable …

Recent notable approaches to study self‐assembly of nanoparticles with X‐ray scattering and electron microscopy

F Schulz, I Lokteva, WJ Parak… - Particle & Particle …, 2021 - Wiley Online Library
Self‐assembly of nanoparticles (NPs) has evolved into a powerful tool for the synthesis of
superstructures with tailored properties. The quality, diversity, and complexity of synthesized …

Monitoring Nanocrystal Self‐Assembly in Real Time Using In Situ Small‐Angle X‐Ray Scattering

I Lokteva, M Koof, M Walther, G Grübel, F Lehmkühler - Small, 2019 - Wiley Online Library
Self‐assembled nanocrystal superlattices have attracted large scientific attention due to their
potential technological applications. However, the nucleation and growth mechanisms of …

Real-Time X-ray Scattering Discovers Rich Phase Behavior in PbS Nanocrystal Superlattices during In Situ Assembly

I Lokteva, M Dartsch, F Dallari, F Westermeier… - Chemistry of …, 2021 - ACS Publications
During the self-organization of colloidal semiconductor nanoparticles by solvent
evaporation, nanoparticle interactions are substantially determined by the organic ligands …

Methods of coherent X-ray diffraction imaging

PA Prosekov, VL Nosik, AE Blagov - Crystallography reports, 2021 - Springer
Methods of coherent X-ray diffraction imaging of the spatial structure of noncrystalline
objects and nanocrystals (nanostructures) are considered. Particular attention is paid to the …

[HTML][HTML] The structure of ice under confinement in periodic mesoporous organosilicas (PMOs)

NC Gießelmann, P Lenz, SM Meinert… - The Journal of …, 2024 - pubs.aip.org
We investigated the structure of ice under nanoporous confinement in periodic mesoporous
organosilicas (PMOs) with different organic functionalities and pore diameters between 3.4 …

Slowing down of dynamics and orientational order preceding crystallization in hard-sphere systems

F Lehmkühler, B Hankiewicz, MA Schroer, L Müller… - Science …, 2020 - science.org
Despite intensive studies in the past decades, the local structure of disordered matter
remains widely unknown. We show the results of a coherent x-ray scattering study revealing …

STRUCTURAL ANALYSIS BY X‐RAY INTENSITY ANGULAR CROSS CORRELATIONS

RP Kurta, M Altarelli… - Advances in Chemical …, 2016 - Wiley Online Library
This chapter reviews the topic of angular intensity correlations in X‐ray diffraction. A basic
theoretical description of quantities related to angular correlations in a simple X‐ray …