Dynamics of first-order phase transitions in multicomponent systems: a new theoretical approach.

摘要: In the theoretical description of nucleation-growth processes, currently Gibbs's classical thermodynamic theory heterogeneous systems is predominantly employed for properties clusters. However, approach does not make it possible to describe, in general, critical clusters (determining rate nucleation) a sufficiently correct way. Moreover, restricted by its applicability equilibrium states exclusively. For this reason, give theoretically founded prescription determination sub- and supercritical sizes dependence on supersaturation size order overcome these shortcomings, recent years generalization has been developed nucleation processes. This Gibbs' method leads, variety different applications, dependencies work cluster formation supersaturation, which are qualitatively widely even quantitatively agreement with density-functional computations. The methods results summarized first part present paper. They then extended time processes growth single ensembles fulfill task, new parameters developed. It turns out as result analysis that kinetic parameters, determining growth, become dependent well. illustrated model system (segregation regular solutions) applied interpretation experimental segregation solutions crystallization glass-forming melts. shown newly resolves problems data kinetics phase could be given satisfactory explanation so far.