Libbrecht, K. G. and Yu, H. (2001) Crystal growth in the presence of surface melting: supersaturation dependence of the growth of columnar ice crystals. Journal of Crystal Growth, 222 (4). pp. 822-831. ISSN 0022-0248. doi:10.1016/S0022-0248(00)00977-5. https://resolver.caltech.edu/CaltechAUTHORS:20170408-160744046
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Abstract
We report measurements of the growth rates of the basal (0 0 0 1) and prism (101̄0) facets of ice as a function of surface supersaturation, in a regime where the growth dynamics are dominated by the presence of surface melting. Our measurements were made using freely falling columnar ice crystals, growing a solvent gas of air at a pressure of one atmosphere, with ambient supersaturation levels 1<σ_∞<11%. Condensation coefficients for the two facets were inferred by modeling the effects of both particle and heat diffusion, which also yielded surface supersaturation levels 0.75<σ_(surf)<2.2%. Our results show a strong supersaturation dependence in the crystal growth, as for both facets the condensation coefficient exhibited a precipitous drop below σ_(surf)≈1%. In addition, the condensation coefficient for the basal facet was found to be nearly a factor of 10 larger than for the prism facet. These results support a model in which the ice growth rates are governed by 2D nucleation at the interface between the crystalline solid and a quasi-liquid surface layer.
Item Type: | Article | ||||||
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Additional Information: | © 2001 Elsevier. Received 1 May 2000, Accepted 8 November 2000, Available online 6 February 2001. Communicated by A.A. Chernov. H. Yu acknowledges financial support from the Summer Undergraduate Research Fellowship program of the California Institute of Technology. | ||||||
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Subject Keywords: | Crystal growth kinetics; Ice crystal growth | ||||||
Issue or Number: | 4 | ||||||
Classification Code: | PACS: 81.10.Bk; 92.40.Rm; 92.60.Nr | ||||||
DOI: | 10.1016/S0022-0248(00)00977-5 | ||||||
Record Number: | CaltechAUTHORS:20170408-160744046 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170408-160744046 | ||||||
Official Citation: | K.G. Libbrecht, H. Yu, Crystal growth in the presence of surface melting: supersaturation dependence of the growth of columnar ice crystals, Journal of Crystal Growth, Volume 222, Issue 4, 2001, Pages 822-831, ISSN 0022-0248, http://dx.doi.org/10.1016/S0022-0248(00)00977-5. (http://www.sciencedirect.com/science/article/pii/S0022024800009775) | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 76131 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | 1Science Import | ||||||
Deposited On: | 21 Jun 2017 22:41 | ||||||
Last Modified: | 15 Nov 2021 16:57 |
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