Colloidal hard spheres: Triumphs, challenges, and mysteries

CP Royall, P Charbonneau, M Dijkstra, J Russo… - Reviews of Modern …, 2024 - APS
The simplicity of hard spheres as a model system is deceptive. Although the particles
interact solely through volume exclusion, that nevertheless suffices for a wealth of static and …

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 …

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 …

Emergent structural correlations in dense liquids

I Pihlajamaa, CCL Laudicina, C Luo… - PNAS nexus, 2023 - academic.oup.com
The complete quantitative description of the structure of dense and supercooled liquids
remains a notoriously difficult problem in statistical physics. Most studies to date focus solely …

Structure and short-time diffusion of concentrated suspensions consisting of silicone-stabilised PMMA particles: a quantitative analysis taking polydispersity effects into …

JD Maier, J Wagner - Soft Matter, 2024 - pubs.rsc.org
We characterise structure and dynamics of concentrated suspensions of silicone-stabilised
PMMA particles immersed in index-matching decalin–tetralin mixtures by means of static …

[HTML][HTML] Three-step colloidal gelation revealed by time-resolved x-ray photon correlation spectroscopy

A Jain, F Schulz, F Dallari, V Markmann… - The Journal of …, 2022 - pubs.aip.org
The gelation of PEGylated gold nanoparticles dispersed in a glycerol–water mixture is
probed in situ by x-ray photon correlation spectroscopy. Following the evolution of structure …

Dynamics and Time Scales of Higher-Order Correlations in Supercooled Colloidal Systems

NN Striker, I Lokteva, M Dartsch, F Dallari… - The journal of …, 2023 - ACS Publications
The dynamics and time scales of higher-order correlations are studied in supercooled
colloidal systems. A combination of X-ray photon correlation spectroscopy (XPCS) and X-ray …

Glass-liquid and glass-gel transitions of soft-shell particles

L Frenzel, M Dartsch, GM Balaguer, F Westermeier… - Physical Review E, 2021 - APS
We study the structure and dynamics of colloidal particles with a spherical hard core and a
thermo-responsive soft shell over the whole phase diagram by means of small-angle x-ray …

Advancing chemical separations: Unraveling the structure and dynamics of phase splitting in liquid–liquid extraction

D Sheyfer, MJ Servis, Q Zhang, J Lal… - The Journal of …, 2022 - ACS Publications
Liquid–liquid extraction (LLE), the go-to process for a variety of chemical separations, is
limited by spontaneous organic phase splitting upon sufficient solute loading, called third …

In situ aggregation and early states of gelation of gold nanoparticle dispersions

F Schulz, A Jain, F Dallari, V Markmann, F Lehmkühler - Soft Matter, 2024 - pubs.rsc.org
The aggregation and onset of gelation of PEGylated gold nanoparticles dispersed in a
glycerol–water mixture is studied by small-angle X-ray scattering and X-ray photon …