Abstract The reversible phase transition from hydrochloric-acid-doped ice VI to its hydrogen-ordered counterpart ice XV is followed using differential scanning calorimetry. Upon cooling at ambient pressure fast hydrogen ordering is observed at first followed by a slower process which manifests as a tail to the initial sharp exotherm. The residual hydrogen disorder in H2O and D2O ice XV is determined as a function of the cooling rate. We conclude that it will be difficult to obtain fully hydrogen-ordered ice XV by cooling at ambient pressure. Our new experimental findings are discussed in the context of recent computational work on ice XV.
The complex kinetics of the ice VI to ice XV hydrogen ordering phase transition
Published 2015 in Chemical Physics Letters
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- Publication year
2015
- Venue
Chemical Physics Letters
- Publication date
2015-07-09
- Fields of study
Physics, Materials Science, Chemistry
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