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Phys. Rev. Lett. 87, 055702 (2001) [4 pages]

Two-Dimensional Nucleation of Ice from Supercooled Water

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L. H. Seeley and G. T. Seidler*
Department of Physics, University of Washington, Seattle, Washington 98195-1560

Received 2 November 2000; published 12 July 2001

See accompanying Physics Focus

We report the temperature dependent nucleation rates of ice from single water drops supporting aliphatic alcohol Langmuir films. Analysis in the context of a classical theory of heterogeneous nucleation suggests that the critical nucleus is essentially a monolayer, and that the rate-limiting steps in these nucleation processes are therefore not merely influenced by, but instead dictated by, the physics of the water-alcohol interface. Consequently, reduced dimensionality may be much more important in heterogeneous nucleation than has previously been believed.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.055702
DOI:
10.1103/PhysRevLett.87.055702
PACS:
64.70.Dv, 64.60.Qb, 68.60.-p

*Author to whom correspondence should be addressed.Electronic address: seidler@phys.washington.edu

 
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