Nucleation and Bulk Crystallization in Binary Phase Field Theory

Details Nucleation and Bulk Crystallization in Binary Phase Field Theory Nucleation and Bulk Crystallization in Binary Phase Field Theory

2002-04-05

arxiv.org/abs/cond-mat/0204143v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 4 figures, accepted to PRL

Scientific paper

10.1103/PhysRevLett.88.206105

We present a phase field theory for binary crystal nucleation. In the one-component limit, quantitative agreement is achieved with computer simulations (Lennard-Jones system) and experiments (ice-water system) using model parameters evaluated from the free energy and thickness of the interface. The critical undercoolings predicted for Cu-Ni alloys accord with the measurements, and indicate homogeneous nucleation. The Kolmogorov exponents deduced for dendritic solidification and for "soft-impingement" of particles via diffusion fields are consistent with experiment.

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