Two-dimensional nucleation of ice from supercooled water |
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Authors: | Seeley L H Seidler G T |
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Affiliation: | Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA. |
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Abstract: | 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. |
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