4.8 Article

Compression Freezing Kinetics of Water to Ice VII

Journal

PHYSICAL REVIEW LETTERS
Volume 119, Issue 2, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.025701

Keywords

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Funding

  1. Geophysics Program at NSF [EAR0738873]
  2. LANL Reines LDRD
  3. DOE-BES through SIMES
  4. U.S. DOE Office of Science, Fusion Energy Science [SF00515]
  5. LCLS, National User Facility
  6. U.S. DOE by LLNL [DE-AC52-07NA27344]
  7. U.S. DOE National Nuclear Security Administration [DE-AC52-06NA25396]
  8. U.S. Department of Energy's National Nuclear Security Administration [DE-NA0003525]
  9. Directorate For Geosciences
  10. Division Of Earth Sciences [1446969] Funding Source: National Science Foundation

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Time-resolved x-ray diffraction (XRD) of compressed liquid water shows transformation to ice VII in 6 nsec, revealing crystallization rather than amorphous solidification during compression freezing. Application of classical nucleation theory indicates heterogeneous nucleation and one-dimensional (e.g., needlelike) growth. These first XRD data demonstrate rapid growth kinetics of ice VII with implications for fundamental physics of diffusion-mediated crystallization and thermodynamic modeling of collision or impact events on ice-rich planetary bodies.

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