Insights into Phases of Liquid Water from Study of Its Unusual Glass-Forming Properties

  title={Insights into Phases of Liquid Water from Study of Its Unusual Glass-Forming Properties},
  author={C. Austen Angell},
  pages={582 - 587}
  • C. Angell
  • Published 1 February 2008
  • Chemistry, Medicine
  • Science
The vitrification of pure water is compared with that of molecular solutions rich in water, and gross differences are noted. Thermodynamic reasoning and direct observations on noncrystallizing nanoconfined water indicate that the glass transition in ambient-pressure water is qualitatively distinct from that found in the usual molecular liquids. It belongs instead to the order-disorder class of transition seen in molecular and ionic crystalline materials. The distinctive “folding funnel” energy… 
Relationship between the phase diagram, the glass-forming ability, and the fragility of a water/salt mixture.
It is proposed that frustration between local and global orderings controls both the glass-forming ability and fragility on the basis of experimental evidence, and this scenario not only explains unusual behavior of water-type liquids such as water, Si, and Ge but also provides a general explanation on the link between the equilibrium phase diagram, theGlass-form ability, and the fragility of various materials including oxides, chalcogenides, and metallic glasses.
The dynamic crossover in water does not require bulk water.
Spectra obtained in the glass state confirm the complex nature of the hydrogen-bonding modes reported for neat room-temperature water and support predictions of anomalous diffusion due to "worm-hole" structure.
Structural transformations in amorphous ice and supercooled water and their relevance to the phase diagram of water
Arguably the most important liquid in our existence, water continues to attract enormous efforts to understand its underlying structure, dynamics and thermodynamics. These properties become
Why is there no clear glass transition of confined water
To overcome the problem of crystallization of supercooled bulk water and water rich solutions we have studied water-glycerol mixtures confined in 21 angstrom pores of the silica matrix MCM-41 C10.
Possible relations between supercooled and glassy confined water and amorphous bulk ice.
  • J. Swenson
  • Materials Science, Medicine
    Physical chemistry chemical physics : PCCP
  • 2018
The results from the studies of confined water in the so-called no man's land (the temperature range 150-235 K) where bulk water rapidly crystallizes may be of more relevance for supercooled and glassy bulk water than previously thought.
Possible link of the V-shaped phase diagram to the glass-forming ability and fragility in a water-salt mixture.
It is proposed that frustration between local and global orderings controls both the glass-forming ability and the fragility of pure water under pressure, and provides a mechanism for a link between the equilibrium phase diagram, glass-form ability, and fragility for various materials including oxides, chalcogenides, and metallic glasses.
Advances in the study of supercooled water.
This review describes the thermodynamic scenarios hypothesized for the supercooled region and in particular among them the liquid-liquid critical point scenario that has so far received more experimental evidence.
Liquid-liquid transition in supercooled aqueous solution involving a low-temperature phase similar to low-density amorphous water
The striking anomalies in physical properties of supercooled water that were discovered in the 1960-70s, remain incompletely understood and so provide both a source of controversy amongst
Water: A Tale of Two Liquids
The behavior of water in the regime from ambient conditions to the deeply supercooled region is described and some of the possible experimental lines of research that are essential to complete a global picture that still needs to be completed.
Glass-to-cryogenic-liquid transitions in aqueous solutions suggested by crack healing
Investigation of phase behavior of water at cryogenic temperatures showed clear experimental evidence that the two cryogenic glassy states of water undergo glass-to-cryogenic-liquid transitions and they are thermodynamically separated by a first-order phase transition.


Clarifying the glass-transition behaviour of water by comparison with hyperquenched inorganic glasses
Detailed calorimetric characterizations of hyperquenched inorganic glasses that, when heated, do not crystallize before reaching their glass transition temperatures are reported, substantiating the conclusion that the glass transition of water cannot be probed directly.
Anomalies of Liquid Water
Water at low temperatures (T < 300 K) reveals a multitude of unusual physico-chemical properties, which originate from the strong directivity of the hydrogen bonds. This directivity forces the
Thermodynamic determination of fragility in liquids and a fragile-to-strong liquid transition in water
If crystallization can be avoided when a liquid is cooled, it will typically form a glass. Near the glass transition temperature the viscosity increases continuously but rapidly with cooling. As the
Melting of ice in porous glass: why water and solvents confined in small pores do not crystallize?
Abstract.The melting of ice in porous glass having different distribution of pores sizes is analyzed in details. One shows that confined water crystallizes only partially and that an interface layer,
Water Behaviour: Glass transition in hyperquenched water?
Differential scanning calorimetry heating is used to show that hyperquenched water deposited at 140 K behaves as an ultraviscous liquid, the limiting structure of which depends on the cooling rate — as predicted by theoretical analysis of the liquid-to-glass transition.
Phase behaviour of metastable water
THE metastable extension of the phase diagram of liquid water exhibits rich features that manifest themselves in the equilibrium properties of water. For example, the density maximum at 4 °C and the
The existence of supercooled liquid water at 150 K
Supercooled water may offer clues to the anomalous properties of its normal liquid state. The supercooled state also shows anomalous thermodynamic and transport properties at low temperatures,,.
Highly decoupled ionic and protonic solid electrolyte systems, in relation to other relaxing systems and their energy landscapes
Abstract With an interest in correlating the properties of ions in ionic glasses with other decoupled motion phenomena in glasses, we have analyzed several cases involving different modes of motion,
Glass transitions of ordinary and heavy water within silica-gel nanopores.
It is suggested that the glass transition of bulk supercooled water takes place potentially at 160 K or above due to the development of an energetically more stable hydrogen-bonding network of water molecules at low temperatures.
Dielectric studies deny existence of ultraviscous fragile water.
This work measures the dielectric tan(delta) for easily glassforming waterlike aqueous solutions, H2O-H2O2 and H2 O-N2H4, to characterize the behavior of such systems during passage through their glass transitions, and eliminates "ultraviscous fragile liquid" as a possible description of water between 136 K and crystallization, but leaves "ultra-strong liquid" a possibility to be considered.