Steady-state and transient nucleation of a new phase in a first-order transition

Autor: I.M. Fishman
Rok vydání: 1988
Předmět:
Zdroj: Soviet Physics Uspekhi. 31:561-576
ISSN: 0038-5670
DOI: 10.1070/pu1988v031n06abeh003567
Popis: Examples of crystallization of glasses and of the condensation of excitons to form an electron-hole liquid in germanium are used to study the kinetics of nucleation of a new phase. There are considerable advantages in tackling such model systems rather than other systems undergoing a first-order phase transition. Attention is drawn to two different nucleation regimes: transient and quasisteady-state. Special consideration is given to nucleation in an open system from which nuclei of the new phase may be removed rapidly as a result of diffusion or drift to absorbing walls. In such cases very strong supersaturation may be reached and the threshold of the appearance of a new phase may be independent of temperature.
Databáze: OpenAIRE