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Published December 15, 1990 | Published
Journal Article Open

Kinetics of binary nucleation: Multiple pathways and the approach to stationarity


Explicit analytical expressions are obtained for the rate of nucleation over different paths in a binary system. It is shown that anisotropy in reaction rates and anisotropy in the free energy surface can cause nucleation to occur bypassing the saddle point. Homomolecular nucleation is demonstrated to be the natural limit of binary nucleation as the concentration of one component goes to zero. Explicit expressions are also obtained for the time lag of binary nucleation by using the singular perturbation approach. It is shown that the time lag associated with different paths of nucleation is essential in determining the relative importance of different nucleation pathways.

Additional Information

© 1990 American Institute of Physics. Received 7 June 1990; accepted 13 September 1990. This work was supported by National Science Foundation Grant No. ATM-9003186.

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