scholarly journals Effects of hydrogen bonding on supercooled liquid dynamics and the implications for supercooled water

2009 ◽  
Vol 79 (17) ◽  
Author(s):  
J. Mattsson ◽  
R. Bergman ◽  
P. Jacobsson ◽  
L. Börjesson
Keyword(s):  
Hydrogen Bonding ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
Liquid Dynamics

scholarly journals Reversible structural transformations in supercooled liquid water from 135 to 245 K

Science ◽  
2020 ◽  
Vol 369 (6510) ◽  
pp. 1490-1492
Author(s):  
Loni Kringle ◽  
Wyatt A. Thornley ◽  
Bruce D. Kay ◽  
Greg A. Kimmel
Keyword(s):  
Structural Changes ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
Structural Transformations ◽  
Limited Data ◽  
Supercritical Regime ◽  
Water Films ◽  
Fundamental Understanding ◽  
Full Temperature ◽  
State Configuration

A fundamental understanding of the unusual properties of water remains elusive because of the limited data at the temperatures and pressures needed to decide among competing theories. We investigated the structural transformations of transiently heated supercooled water films, which evolved for several nanoseconds per pulse during fast laser heating before quenching to 70 kelvin (K). Water’s structure relaxed from its initial configuration to a steady-state configuration before appreciable crystallization. Over the full temperature range investigated, all structural changes were reversible and reproducible by a linear combination of high- and low-temperature structural motifs. The fraction of the liquid with the high-temperature motif decreased rapidly as the temperature decreased from 245 to 190 K, consistent with the predictions of two-state “mixture” models for supercooled water in the supercritical regime.

scholarly journals Measurements of the Vapor Pressure of Supercooled Water Using Infrared Spectroscopy

2008 ◽  
Vol 25 (9) ◽  
pp. 1724-1729 ◽  
Author(s):  
Will Cantrell ◽  
Eli Ochshorn ◽  
Alexander Kostinski ◽  
Keith Bozin
Keyword(s):  
Infrared Spectroscopy ◽  
Vapor Pressure ◽  
Liquid Water ◽  
Water Film ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
Quantitative Change ◽  
Wetting Transition ◽  
Higher Temperature

Abstract Measurements are presented of the vapor pressure of supercooled water utilizing infrared spectroscopy, which enables unambiguous verification that the authors’ data correspond to the vapor pressure of liquid water, not a mixture of liquid water and ice. Values of the vapor pressure are in agreement with previous work. Below −13°C, the water film that is monitored to determine coexistence of liquid water (at one temperature) and ice (at another, higher, temperature) de-wets from the hydrophilic silicon prism employed in the authors’ apparatus. The de-wetting transition indicates a quantitative change in the structure of the supercooled liquid.

scholarly journals Volume analysis of supercooled water under high pressure

MRS Advances ◽  
2018 ◽  
Vol 3 (41) ◽  
pp. 2467-2478
Author(s):  
Solomon F. Duki ◽  
Mesfin Tsige
Keyword(s):  
High Pressure ◽  
Water Sample ◽  
High Pressures ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
Chem Phys ◽  
Bulk Water ◽  
Isothermal Compression ◽  
Emulsified Water ◽  
Dynamics Simulations

ABSTRACTMotivated by an experimental finding on the density of supercooled water at high pressure [O. Mishima, J. Chem. Phys. 133, 144503 (2010)] we performed atomistic molecular dynamics simulations study of bulk water in the isothermal-isobaric ensemble. Cooling and heating cycles at different isobars and isothermal compression at different temperatures are performed on the water sample with pressures that range from 0 to 1.0 GPa. The cooling simulations are done at temperatures that range from 40 K to 380 K using two different cooling rates, 10 K/ns and 10 K/5 ns. For the heating simulations we used the slowest heating rate (10 K/5 ns) by applying the same range of isobars. Our analysis of the variation of the volume of the bulk water sample with temperature at different pressures from both isobaric cooling/heating and isothermal compression cycles indicates a concave-downward curvature at high pressures that is consistent with the experiment for emulsified water. In particular, a strong concave down curvature is observed between the temperatures 180 K and 220 K. Below the glass transition temperature, which is around 180 K at 1GPa, the volume turns to concave upward curvature. No crystallization of the supercooled liquid state was observed below 180 K even after running the system for an additional microsecond.

scholarly journals Imidazole and 1-Methylimidazole Hydrogen Bonding and Nonhydrogen Bonding Liquid Dynamics: Ultrafast IR Experiments

2019 ◽  
Vol 123 (9) ◽  
pp. 2094-2105 ◽  
Author(s):  
Jae Yoon Shin ◽  
Yong-Lei Wang ◽  
Steven A. Yamada ◽  
Samantha T. Hung ◽  
Michael D. Fayer
Keyword(s):  
Hydrogen Bonding ◽  
Liquid Dynamics

The vapour pressure of supercooled water and heavy water

1978 ◽  
Vol 31 (6) ◽  
pp. 1177 ◽  
Author(s):  
GA Bottomley
Keyword(s):  
Heavy Water ◽  
Triple Point ◽  
Vapour Pressure ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
The Difference

Measurements have been made on H2O and on D2O of the difference in vapour pressure between the solid and the supercooled liquid down to some 14° below their respective triple-point temperatures.

scholarly journals Experimental observation of the liquid-liquid transition in bulk supercooled water under pressure

Science ◽  
2020 ◽  
Vol 370 (6519) ◽  
pp. 978-982 ◽  
Author(s):  
Kyung Hwan Kim ◽  
Katrin Amann-Winkel ◽  
Nicolas Giovambattista ◽  
Alexander Späh ◽  
Fivos Perakis ◽  
...  
Keyword(s):  
Time Scales ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
Laser Pulses ◽  
High Density ◽  
Liquid Transition ◽  
Probe Delay ◽  
Sample Density ◽  
Order Of Magnitude ◽  
Isochoric Heating

We prepared bulk samples of supercooled liquid water under pressure by isochoric heating of high-density amorphous ice to temperatures of 205 ± 10 kelvin, using an infrared femtosecond laser. Because the sample density is preserved during the ultrafast heating, we could estimate an initial internal pressure of 2.5 to 3.5 kilobar in the high-density liquid phase. After heating, the sample expanded rapidly, and we captured the resulting decompression process with femtosecond x-ray laser pulses at different pump-probe delay times. A discontinuous structural change occurred in which low-density liquid domains appeared and grew on time scales between 20 nanoseconds to 3 microseconds, whereas crystallization occurs on time scales of 3 to 50 microseconds. The dynamics of the two processes being separated by more than one order of magnitude provides support for a liquid-liquid transition in bulk supercooled water.

scholarly journals Growth rate of crystalline ice and the diffusivity of supercooled water from 126 to 262 K

2016 ◽  
Vol 113 (52) ◽  
pp. 14921-14925 ◽  
Author(s):  
Yuntao Xu ◽  
Nikolay G. Petrik ◽  
R. Scott Smith ◽  
Bruce D. Kay ◽  
Greg A. Kimmel
Keyword(s):  
Growth Rate ◽  
Pulsed Laser ◽  
Supercooled Water ◽  
Supercooled Liquid ◽  
Self Diffusion ◽  
Temperature Dependences ◽  
No Man's Land ◽  
Pulsed Laser Heating ◽  
Isothermal Measurements ◽  
Previous Prediction

Understanding deeply supercooled water is key to unraveling many of water’s anomalous properties. However, developing this understanding has proven difficult due to rapid and uncontrolled crystallization. Using a pulsed-laser–heating technique, we measure the growth rate of crystalline ice, G(T), for 180 K < T < 262 K, that is, deep within water’s “no man’s land” in ultrahigh-vacuum conditions. Isothermal measurements of G(T) are also made for 126 K ≤ T ≤ 151 K. The self-diffusion of supercooled liquid water, D(T), is obtained from G(T) using the Wilson–Frenkel model of crystal growth. For T > 237 K and P ∼ 10−8 Pa, G(T) and D(T) have super-Arrhenius (“fragile”) temperature dependences, but both cross over to Arrhenius (“strong”) behavior with a large activation energy in no man’s land. The fact that G(T) and D(T) are smoothly varying rules out the hypothesis that liquid water’s properties have a singularity at or near 228 K at ambient pressures. However, the results are consistent with a previous prediction for D(T) that assumed no thermodynamic transitions occur in no man’s land.

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