The quest for fully hydrogen-ordered ice XIV

DOI

Water ice displays a remarkably complex phase diagram containing pairs of hydrogen-ordered / disordered phases. Ice XII is a hydrogen-disordered phase and ice XIV is its hydrogen-ordered counterpart, which was discovered by our group. A recent article has claimed that ice XIV can be fully hydrogen-ordered. However, this claim turned out to be the result of an integration error. In fact, only 60% ordering has been achieved so far. Our group has recently investigated the metastability regions of ices XII/XIV towards high pressures. Consistent with our earlier finding that the ice XII to ice XIV transition goes along with a volume decrease, we have found that increasing the pressure facilitates the ordering of ice XIV. We now plan to form ice XIV at the highest possible pressures using the Paris Edinburgh cell with the ultimate goal of preparing the fully ordered ice XIV after all.

Identifier
DOI https://doi.org/10.5286/ISIS.E.101135005
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/101135005
Provenance
Creator Professor Christoph Salzmann; Dr Craig Bull; Miss Sukhpreet Talewar; Miss Siriney Halukeerthi; Dr Alexander Rosu-Finsen
Publisher ISIS Neutron and Muon Source
Publication Year 2022
Rights CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact isisdata(at)stfc.ac.uk
Representation
Resource Type Dataset
Discipline Chemistry; Natural Sciences; Physics
Temporal Coverage Begin 2019-03-14T10:00:00Z
Temporal Coverage End 2019-03-25T08:23:47Z