Nucleation: What Happens at the Initial Stage?

Crystallizing growth: The initial structure of crystal nuclei is supersaturation-dependent. At low degrees of supersaturation, liquid-like nuclei are formed initially, which undergo a continuous structure transition from liquid-like to crystal-like as the size N increases. This gradual structure evo...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2009-02, Vol.48 (7), p.1308-1312
Main Authors: Zhang, Tian Hui, Liu, Xiang Yang
Format: Article
Language:English
Subjects:
colloids
crystal engineering
crystal growth
nucleation
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Summary:Crystallizing growth: The initial structure of crystal nuclei is supersaturation-dependent. At low degrees of supersaturation, liquid-like nuclei are formed initially, which undergo a continuous structure transition from liquid-like to crystal-like as the size N increases. This gradual structure evolution substantially lowers the nucleation barrier ΔG* and facilitates the nucleation relative to the formation of crystal-like clusters from the beginning.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200804743