New ice outdoes related nets in smallest-ring size
Article Abstract:
Lobban, Finney and Kuhs recently reported a new metastable form of ice in the field of stability of ice V. The topology of the phase was correctly stated as being unlike any known phases of ice. However the statement that it contains a mix of five and seven membered rings of water molecules is not entirely true. The structure has only seven and eight membered rings and is an example of a 4-connected net.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998
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Distortion of isochronous layers in ice revealed by ground-penetrating radar
Article Abstract:
Ground-penetrating radar is used to delineate reflections in ice sheets. Ground-penetrating radar data from Fletcher Promontory, Antartica shows arches and troughs in isochronous ice layers to a depth of 100 m. Their origin can be determined by their growth with depth, and one arch seems to be due to a local anomaly in vertical spin-rate. This feature is an indication of the nonlinear rheology of ice.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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The structure of a new phase of ice
Article Abstract:
There are 11 known crystalline phases in ice, whereby water molecules are connected through hydrogen bonds into tetrahedral frameworks. A new phase of cystalline ice in the pressure range 0.2-0.6 GPa has been identified, with a topology unlike any other phases. It contains a combination of five- and seven- membered rings of water molecules, with a density similar to that of ice IV.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998
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