ArticleProceedings of the National Academy of Sciences of the United States of America2022
Plastic deformation of superionic water ices.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Nanoconfined superionic water is a molecular superionic.Science advances · 2026Article
- Prediction of thermally driven quasi-1D superionic states in carbon hydride under giant planetary conditions.Nature communications · 2026Article
- Absence of dehydration due to superionic transition at Earth's core-mantle boundary.Science advances · 2026Article
- Observation of a mixed close-packed structure in superionic water.Nature communications · 2025Article
- Flexible high-entropy functional ceramics.Nature communications · 2025Article
- Phase separation of planetary ices explains nondipolar magnetic fields of Uranus and Neptune.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Double superionicity in icy compounds at planetary interior conditions.Nature communications · 2023Article
- DeePMD-kit v2: A software package for deep potential models.The Journal of chemical physics · 2023Article
- Plastic deformation of superionic water ices.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Due to their potential role in the peculiar geophysical properties of the ice giants Neptune and Uranus, there has been a growing interest in superionic (SI) phases of water ice. So far, however, little attention has been given to their mechanical properties, even though plastic deformation processes in the interiors of planets are known to affect long-term processes, such as plate tectonics and mantle convection. Here, using density functional theory calculations and machine learning techniques, we assess the mechanical response of high-pressure/temperature solid phases of water in terms of their ideal shear strength (ISS) and dislocation behavior. The ISS results are well described by the renormalized Frenkel model of ideal strength and indicate that the SI ices are expected to be highly ductile. This is further supported by deep neural network molecular dynamics simulations for the behavior of lattice dislocations for the SI face-centered cubic (fcc) phase. Dislocation velocity data indicate effective shear viscosities that are orders of magnitude smaller than that of Earth's lower mantle, suggesting that the plastic flow of the internal icy layers in Neptune and Uranus may be significantly faster than previously foreseen.
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