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Title: Heterogeneous nucleation of/on nanoparticles: a density functional study using the phase-field crystal model
Authors: Granasy, Laszlo
Podmaniczky, Frigyes
Toth, Gyula I.
Tegze, Gyorgy
Pusztai, Tamas
Issue Date: 2014
Publisher: © Royal Society of Chemistry
Citation: GRANASY, L. ... et al., 2014. Heterogeneous nucleation of/on nanoparticles: a density functional study using the phase-field crystal model. Chemical Society Reviews, 43 (7), pp.2159-2173.
Abstract: Crystallization of supersaturated liquids usually starts by heterogeneous nucleation. Mounting evidence shows that even homogeneous nucleation in simple liquids takes place in two steps; first a dense amorphous precursor forms, and the crystalline phase appears via heterogeneous nucleation in/on the precursor cluster. Herein, we review recent results by a simple dynamical density functional theory, the phase-field crystal model, for (precursor-mediated) homogeneous and heterogeneous nucleation of nanocrystals. It will be shown that the mismatch between the lattice constants of the nucleating crystal and the substrate plays a decisive role in determining the contact angle and nucleation barrier, which were found to be non-monotonic functions of the lattice mismatch. Time dependent studies are essential as investigations based on equilibrium properties often cannot identify the preferred nucleation pathways. Modeling of these phenomena is essential for designing materials on the basis of controlled nucleation and/or nano-patterning.
Sponsor: This work has been supported by the EU FP7 Project 'EXOMET' (contract no. NMP-LA-2012-280421, co-funded by ESA), and by the ESA MAP/PECS project 'MAGNEPHAS III'.
Version: Accepted for publication
DOI: 10.1039/c3cs60225g
URI: https://dspace.lboro.ac.uk/2134/27297
Publisher Link: https://doi.org/10.1039/c3cs60225g
ISSN: 0306-0012
Appears in Collections:Published Articles (Maths)

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