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Publication Detail
The polymorphism of ice: five unresolved questions
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Salzmann CG, Radaelli PG, Slater B, Finney JL
  • Publisher:
    ROYAL SOC CHEMISTRY
  • Publication date:
    2011
  • Pagination:
    18468, 18480
  • Journal:
    PHYS CHEM CHEM PHYS
  • Volume:
    13
  • Issue:
    41
  • Print ISSN:
    1463-9076
  • Language:
    EN
  • Keywords:
    DENSITY AMORPHOUS ICE, HIGH-PRESSURE PHASE, NEUTRON POWDER DIFFRACTION, GLASS-TRANSITION BEHAVIOR, LOW-TEMPERATURE DYNAMICS, PARTIALLY ORDERED ICE, DIELECTRIC-PROPERTIES, HYDROGEN-BONDS, RAMAN-SPECTRA, HEXAGONAL ICE
  • Addresses:
    Salzmann, CG
    Univ Durham
    Dept Chem
    Durham
    DH1 3LE
    England

    UCL
    London Ctr Nanotechnol
    London
    WC1E 6BT
    England
Abstract
Our recent discovery of three new phases of ice has increased the total number of known distinct polymorphs of ice to fifteen. In this Perspective article, we give a brief account of previous work in the field, and discuss some of the particularly interesting open questions that have emerged from recent studies. These include (i) the effectiveness of acid and base dopants to enable hydrogen-ordering processes in the ices, (ii) the comparison of the calorimetric data of some of the crystalline phases of ice and low-density amorphous ice, (iii) the disagreement between the experimental ice XV structure and computational predictions, (iv) the incompleteness of some of the hydrogen order/disorder pairs and (v) the new frontiers at the high and negative pressure ends of the phase diagram.
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