In Situ Observations of a High-Pressure Phase of H 2 O Ice
10.1126/science.281.5378.809
Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

A previously unknown solid phase of H 2 O has been identified by its peculiar growth patterns, distinct pressure-temperature melting relations, and vibrational Raman spectra. Morphologies of ice crystals and their pressure-temperature melting relations were directly observed in a hydrothermal diamond-anvil cell for H 2 O bulk densities between 1203 and 1257 kilograms per cubic meter at temperatures between –10° and 50°C. Under these conditions, four different ice forms were observed to melt: two stable phases, ice V and ice VI, and two metastable phases, ice IV and the new ice phase. The Raman spectra and crystal morphology are consistent with a disordered anisotropic structure with some similarities to ice VI.

Bibliography

Chou, I.-M., Blank, J. G., Goncharov, A. F., Mao, H., & Hemley, R. J. (1998). In Situ Observations of a High-Pressure Phase of H 2 O Ice. Science, 281(5378), 809–812.

Authors 5
  1. I-Ming Chou (first)
  2. Jennifer G. Blank (additional)
  3. Alexander F. Goncharov (additional)
  4. Ho-kwang Mao (additional)
  5. Russell J. Hemley (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 27, 2002, 5:43 a.m.)
Deposited 1 year, 7 months ago (Jan. 12, 2024, 10 p.m.)
Indexed 13 hours, 8 minutes ago (Sept. 1, 2025, 6:32 a.m.)
Issued 27 years ago (Aug. 7, 1998)
Published 27 years ago (Aug. 7, 1998)
Published Print 27 years ago (Aug. 7, 1998)
Funders 0

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@article{Chou_1998, title={In Situ Observations of a High-Pressure Phase of H 2 O Ice}, volume={281}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.281.5378.809}, DOI={10.1126/science.281.5378.809}, number={5378}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Chou, I-Ming and Blank, Jennifer G. and Goncharov, Alexander F. and Mao, Ho-kwang and Hemley, Russell J.}, year={1998}, month=aug, pages={809–812} }