Microstructure and crystal order during freezing of supercooled water drops

A Kalita, M Mrozek-McCourt, TF Kaldawi, PR Willmott… - Nature, 2023 - nature.com
Supercooled water droplets are widely used to study supercooled water,, ice nucleation,–
and droplet freezing,,,,–. Their freezing in the atmosphere affects the dynamics and climate …

Crystal Nucleation in Supercooled Atomic Liquids

J Möller, A Schottelius, M Caresana, U Boesenberg… - Physical review …, 2024 - APS
The liquid-to-solid phase transition is a complex process that is difficult to investigate
experimentally with sufficient spatial and temporal resolution. A key aspect of the transition is …

Three-dimensional femtosecond snapshots of isolated faceted nanostructures

A Colombo, S Dold, P Kolb, N Bernhardt, P Behrens… - Science …, 2023 - science.org
The structure and dynamics of isolated nanosamples in free flight can be directly visualized
via single-shot coherent diffractive imaging using the intense and short pulses of x-ray free …

Origin of polytypism in block copolymer materials

S Lee, J Ahn, L Chen, P Wąsik - Physical Review Materials, 2023 - APS
Block copolymers have served as versatile model compounds to understand the self-
assembly of inhomogeneous materials. However, the close-packed structures and relevant …

Casting a bright light on Ostwald's rule of stages

JJ De Yoreo - Proceedings of the National Academy of …, 2022 - National Acad Sciences
Crystallization, which is a ubiquitous process in both natural and technological settings,
follows a rich set of pathways as crystallizing systems evolve from dispersed monomers to …

Continuous transition of colloidal crystals through stable random orders

J Ahn, L Chen, PT Underhill, G Freychet, M Zhernenkov… - Soft Matter, 2023 - pubs.rsc.org
Randomly stacked 2D hexagonal close-packed (RHCP) layer structures are frequently
observed in colloids and other material systems but are considered metastable. We report a …

Direct Nanosecond Multiframe Imaging of Irreversible Dynamics in 4D Electron Microscopy

Y Meng, Y Zhou, X Wang, W Wei, Y Hu, B Chen… - Nano Letters, 2024 - ACS Publications
Irreversible ultrafast events are prevalent in nature, yet their capture in real time poses
significant challenges. Traditional single-shot imaging technologies, which utilize a single …

In situ observation of the structural transformations behind the emergence and disappearance of exchange bias in polycrystalline Ni-Mn/Fe20Ni80 films

ME Moskalev, EA Kravtsov, EV Kudyukov… - Journal of Alloys and …, 2025 - Elsevier
The antiferromagnetic L1 0 θ-NiMn compound has a Néel temperature of up to 800° C and
is capable of providing the exchange bias effect in multilayered structures with adjacent …

Crystallization kinetics of charged PNIPAM microgels dispersions at low volume fractions

J Bocanegra-Flores, C Haro-Pérez… - Frontiers in …, 2022 - frontiersin.org
This work studies the kinetics of crystallization of charged microgels suspensions of Poly-N-
Isopropylacrylamide (PNIPAM) at low ionic strength. The liquid-crystal transition is induced …

Crystallization kinetics of charged PNIPAM microgels dispersions at low volume fractions

D Reyes Contreras, J Bocanegra Flores, C Haro Pérez… - 2022 - ri.uaemex.mx
This work studies the kinetics of crystallization of charged microgels suspensions of Poly-N-
Isopropylacrylamide (PNIPAM) at low ionic strength. The liquid-crystal transition is induced …