ID | 57362 |
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Matsui, Takahiro
Graduate School of Natural Science and Technology, Okayama University
Yagasaki, Takuma
Research Institute for Interdisciplinary Science, Okayama University
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Matsumoto, Masakazu
Research Institute for Interdisciplinary Science, Okayama University
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Tanaka, Hideki
Research Institute for Interdisciplinary Science, Okayama University
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Abstract | Thermodynamic and mechanical stabilities of various ultralow-density ices are examined using computer simulations to construct the phase diagram of ice under negative pressure. Some ultralow-density ices, which were predicted to be thermodynamically metastable under negative pressures on the basis of the quasi-harmonic approximation, can exist only in a narrow pressure range at very low temperatures because they are mechanically fragile due to the large distortion in the hydrogen bonding network. By contrast, relatively dense ices such as ice Ih and ice XVI withstand large negative pressure. Consequently, various ices appear one after another in the phase diagram. The phase diagram of ice under negative pressure exhibits a different complexity from that of positive pressure because of the mechanical instability.
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Published Date | 2019-01-23
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Publication Title |
Journal of Chemical Physics
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Volume | volume150
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Issue | issue4
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Publisher | American Institute of Physics
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Start Page | 041102
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ISSN | 00219606
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NCID | AA00694991
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Content Type |
Journal Article
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language |
English
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OAI-PMH Set |
岡山大学
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Copyright Holders | Copyright (2019) Author(s).
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File Version | author
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Related Url | isVersionOf https://doi.org/10.1063/1.5083021
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