ArticleCommunications chemistry2025
Multicomponent dynamics in amorphous ice studied using X-ray photon correlation spectroscopy at elevated pressure and cryogenic temperatures.
Article in Communications chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Pressure-Dependent Diffusion of PEG-Functionalized Gold Nanoparticles Probed by X-ray Photon Correlation Spectroscopy.The journal of physical chemistry. B · 2026Article
- Using X-ray free electron lasers to explore extreme states under quasi-static compression.Nature communications · 2026Review
- Hierarchical Dynamics in Polymer NanocompositesInsights from Neutron and X‑ray Scattering.Macromolecules · 2026Review
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Authors and funding
19 authors.
Funding
Abstract
Knowing the pressure dependence of glass forming liquids is important in various contexts. Here, we study the case of supercooled water, which has at least two different amorphous states with different densities. The pressure dependencies of the two glass transitions are predicted to show opposite behaviour, crossing in the P-T plane at elevated pressure. The experimental identification of the glass transition at elevated pressure and cryo-conditions is technically difficult. Moreover, in the case of amorphous ices, the glass transition is interrupted by crystallization, which makes it even more challenging. We show the feasibility of performing X-ray photon correlation spectroscopy experiments at elevated pressure using a diamond anvil cell at cryogenic temperatures. We observe two dynamic components when approaching the glass transition temperature. For high-density amorphous ice at a pressure of around (0.08 ± 0.02) GPa we determine the glass transition to be at higher temperatures compared to ambient conditions.
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Registered trials
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