Publisher DOI: 10.1039/c6ra13041k
Title: Surface stabilization determines a classical: fersus non-classical nucleation pathway during particle formation
Language: English
Authors: Dreyer, Axel 
Eckstädt, Katrin 
Koop, Thomas 
Jutzi, Peter 
Hütten, Andreas 
Issue Date: 4-Aug-2016
Publisher: RSC Publishing
Source: RSC Advances 78 (6): 74061-74066 (2016)
Journal or Series Name: RSC Advances 
Abstract (english): Particle formation can occur by way of a classical or non-classical nucleation pathway. We show that during the bottom-up synthesis of cobalt particles the degree of particle surface stabilization determines the formation pathway. Without additives, young cobalt particles are liquid because of the size-dependent melting point depression, and crystallization starts only after growth by coalescence, in accord to a non-classical pathway. Addition of surfactants during synthesis leads to particle surface stabilization and, thus, an elevated melting point such that a crystalline nucleus is formed in a classical pathway.
ISSN: 2046-2069
Institute: Keramische Hochleistungswerkstoffe M-9 
Type: (wissenschaftlicher) Artikel
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