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Hama T, Ishizuka S, Yamazaki T, et al. Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation. Phys Chem Chem Phys. 2017;19(27):17677-17684doi: 10.1039/c7cp03315j.
Hama, T., Ishizuka, S., Yamazaki, T., Kimura, Y., Kouchi, A., Watanabe, N., Sugimoto, T., & Pirronello, V. (2017). Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation. Physical chemistry chemical physics : PCCP, 19(27), 17677-17684. https://doi.org/10.1039/c7cp03315j
Hama, Tetsuya, et al. "Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation." Physical chemistry chemical physics : PCCP vol. 19,27 (2017): 17677-17684. doi: https://doi.org/10.1039/c7cp03315j
Hama T, Ishizuka S, Yamazaki T, Kimura Y, Kouchi A, Watanabe N, Sugimoto T, Pirronello V. Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation. Phys Chem Chem Phys. 2017 Jul 21;19(27):17677-17684. doi: 10.1039/c7cp03315j. Epub 2017 Jul 03. PMID: 28671232.
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Phys Chem Chem Phys. 2017 Jul 21;19(27):17677-17684. doi: 10.1039/c7cp03315j. Epub 2017 Jul 03.

Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation.

Physical chemistry chemical physics : PCCP

Tetsuya Hama, Shinnosuke Ishizuka, Tomoya Yamazaki, Yuki Kimura, Akira Kouchi, Naoki Watanabe, Toshiki Sugimoto, Valerio Pirronello

Affiliations

  1. Institute of Low Temperature Science, Hokkaido University, Sapporo, 060-0819, Japan. [email protected].
  2. Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan and Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan.
  3. Dipartimento di Fisica e Astronomia, Università di Catania, I-95125, Catania, Sicily, Italy.

PMID: 28671232 DOI: 10.1039/c7cp03315j

Abstract

Crystalline ice formation requires water molecules to be sufficiently mobile to find and settle on the thermodynamically most stable site. Upon cooling, however, diffusion and rearrangement become increasingly kinetically difficult. Water ice grown by the condensation of water vapor in laboratory is thus generally assumed to be in a metastable amorphous form below 100 K. Here, we demonstrate the possibility of crystalline ice formation at extremely low temperature using a water/neon matrix (1/1000, 30 000 monolayers) prepared at 6 K, which is subsequently warmed to 11-12 K. In situ infrared spectroscopy revealed the assembly of the dispersed water molecules, forming crystalline ice I during the sublimation of the neon matrix for 40-250 seconds. This finding indicates that the high mobility of the water molecules during matrix sublimation can overcome the kinetic barrier to form crystals even at extremely low temperature.

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