Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

Interfacial melting of ice has been examined by infrared spectroscopy for the first time. Thin ice films, from 10 to 20 nm thick, were prepared on a face of a germanium prism and studied over a range of temperatures just below the triple point. Interrogation was by attenuated total reflection (ATR) spectroscopy. Interfacial melting regions were distinguished from the underlying ice by comparisons of their spectra with the well established infrared signatures of bulk water and ice. Near the triple point, e.g., −0.15 °C, the spectroscopic profile of the surface melting region is indistinguishable from that of liquid water. This is compelling evidence that the commonly labeled quasi-liquid layer is indeed like liquid water. The extent of infrared extinction from ice films was used to determine the thickness of the quasi-liquid layers. At −0.03 °C the thickness is 15 nm corresponding to 40 monolayers of liquid but at −10 °C less than a monolayer remains. We compare our measurements of surface melting with those of others, sometimes finding discrepancies in thickness by two orders of magnitude. The promise of infrared spectroscopy to the further study of interfacial melting of ice is discussed.

Bibliography

Sadtchenko, V., & Ewing, G. E. (2002). Interfacial melting of thin ice films: An infrared study. The Journal of Chemical Physics, 116(11), 4686–4697.

Authors 2
  1. Vlad Sadtchenko (first)
  2. George E. Ewing (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 9:27 a.m.)
Deposited 1 year, 6 months ago (Feb. 6, 2024, 10:01 a.m.)
Indexed 2 days, 14 hours ago (Aug. 27, 2025, 11:47 a.m.)
Issued 23 years, 5 months ago (March 15, 2002)
Published 23 years, 5 months ago (March 15, 2002)
Published Print 23 years, 5 months ago (March 15, 2002)
Funders 0

None

@article{Sadtchenko_2002, title={Interfacial melting of thin ice films: An infrared study}, volume={116}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1449947}, DOI={10.1063/1.1449947}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Sadtchenko, Vlad and Ewing, George E.}, year={2002}, month=mar, pages={4686–4697} }