Open Access
High pressure partially ionic phase of water ice.
Publication type: Journal Article
Publication date: 2011-09-01
scimago Q1
wos Q1
SJR: 4.761
CiteScore: 23.4
Impact factor: 15.7
ISSN: 20411723
PubMed ID:
22127059
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
Water ice dissociates into a superionic solid at high temperature (>2,000 K) and pressure, where oxygen forms the lattice, but hydrogen diffuses completely. At low temperature, however, the dissociation into an ionic ice of hydronium (H(3)O)(+) hydroxide (OH)(-) is not expected because of the extremely high energy cost (~1.5 eV) of proton transfer between H(2)O molecules. Here we show the pressure-induced formation of a partially ionic phase (monoclinic P2(1) structure) consisting of coupled alternate layers of (OH)(δ-) and (H(3)O)(δ+) (δ=0.62) in water ice predicted by particle-swarm optimization structural search at zero temperature and pressures of >14 Mbar. The occurrence of this ionic phase follows the break-up of the typical O-H covalently bonded tetrahedrons in the hydrogen symmetric atomic phases and is originated from the volume reduction favourable for a denser structure packing.
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218
Total citations:
218
Citations from 2024:
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(5.5%)
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Wang Yanchao Y. et al. High pressure partially ionic phase of water ice. // Nature Communications. 2011. Vol. 2. No. 1. 563
GOST all authors (up to 50)
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Wang Yanchao Y., Liu H., Lv J., Zhu L., Wang H., Ma Y. High pressure partially ionic phase of water ice. // Nature Communications. 2011. Vol. 2. No. 1. 563
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RIS
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TY - JOUR
DO - 10.1038/ncomms1566
UR - https://doi.org/10.1038/ncomms1566
TI - High pressure partially ionic phase of water ice.
T2 - Nature Communications
AU - Wang Yanchao, Yanchao
AU - Liu, Hanyu
AU - Lv, Jian
AU - Zhu, Li
AU - Wang, Hui
AU - Ma, Yanming
PY - 2011
DA - 2011/09/01
PB - Springer Nature
IS - 1
VL - 2
PMID - 22127059
SN - 2041-1723
ER -
Cite this
BibTex (up to 50 authors)
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@article{2011_Wang Yanchao,
author = {Yanchao Wang Yanchao and Hanyu Liu and Jian Lv and Li Zhu and Hui Wang and Yanming Ma},
title = {High pressure partially ionic phase of water ice.},
journal = {Nature Communications},
year = {2011},
volume = {2},
publisher = {Springer Nature},
month = {sep},
url = {https://doi.org/10.1038/ncomms1566},
number = {1},
pages = {563},
doi = {10.1038/ncomms1566}
}