期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 24, 期 1, 页码 35-41出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cp03922a
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资金
- Austrian Science Fund FWF [I1392]
- Centre for Molecular Water Science (CMWS, DESY Hamburg)
- DOC fellowship of the Austrian Academy of Sciences oAW
- University of Innsbruck
- Austrian Science Fund (FWF) [I1392] Funding Source: Austrian Science Fund (FWF)
The phase transition of hexagonal ice under pressure occurs at different temperature ranges, with ice IX formation being influenced by impurities. Both HDA and ice IX are considered long-lived metastable phases.
For slowly compressed hexagonal ice pressure-induced amorphisation to high-density amorphous ice (HDA) takes place below and at 130 K, but polymorphic transformation to ice IX takes place at 140-170 K. Stable ice II only forms above 170 K. Ice IX impurities trigger ice IX growth even at 120 K. HDA and ice IX are equally long-lived, where both can be regarded as metastable phases.
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