Water subjected to high confinement pressures undergoes phase changes into high-density ice polymorphs
Water subjected to high confinement pressures undergoes phase changes into high-density ice polymorphs, as supported by molecular dynamics simulations.
The claim specifically asserts that water under high confinement pressures undergoes phase transitions into high-density ice polymorphs. Papers [0] and [7] provide direct computational evidence demonstrating that nanoconfined water forms distinct high-density bilayer ice polymorphs under elevated pressures. Therefore, the claim is well-supported by the literature.
Jaeil Bai, Xiao Cheng Zeng. Polymorphism and polyamorphism in bilayer water confined to slit nanopore under high pressure. 2012. https://doi.org/10.1073/pnas.1213342110
Paper [0] demonstrates through computer simulation that water confined in slit nanopores undergoes phase transitions and amorphization into high-density and very-high-density bilayer ice polymorphs under high pressure.
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Zhu W, Li Y, Wang H, Chen Z, Liu X, Li Z, Zhao W, Zeng XC. Microsecond-Scale Molecular Dynamics Simulation of Phase Transition of a Bilayer Ice: Kinetic Constraints in Confined Water.. 2025. https://doi.org/10.1021/acs.jpcb.5c01346
Paper [7] shows that nanoconfined water under high lateral pressures forms distinct high-density bilayer crystalline ice phases such as bilayer very high-density ice.
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