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The non-classical nucleation of crystals: microscopic mechanisms and applications to molecular crystals, ice and calcium carbonate

Sear, RP (2012) The non-classical nucleation of crystals: microscopic mechanisms and applications to molecular crystals, ice and calcium carbonate INTERNATIONAL MATERIALS REVIEWS, 57 (6). 328 - 356. ISSN 0950-6608

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Abstract

Crystals form via nucleation followed by growth. Often nucleation data are interpreted using the classical theory of nucleation, which is essentially a simple theory for the nucleation of a fluid phase. I characterise this classical theory as making six assumptions; I discuss each assumption in turn. I then review experiments and simulations that find nucleation behaviour that cannot be described by the classical theory. The experiments are on the crystallisation from solution of molecules such as drugs and related molecules, ice and calcium carbonate. The review also covers work on non-classical nucleation in solutions of the protein lysozyme, and work on the fascinating phenomenon of nucleation induced by laser pulses. I hope this review will be of interest to those studying the crystallisation of both molecules and ions from solution. The review aims to advance our understanding of the crucial first step in crystallisation, and to enable researchers studying crystallisation in one system to learn from what others have done in studying analogous phenomena in different systems. © 2012 Institute of Materials, Minerals and Mining and ASM International.

Item Type: Article
Additional Information: Copyright 2012 Institute of Materials, Minerals and Mining and ASM International Published by Maney for the Institute and ASM International
Uncontrolled Keywords: Science & Technology, Technology, Materials Science, Multidisciplinary, Materials Science, Nucleation, Crystallisation, Molecular crystals, Ionic crystals, Review, LASER-INDUCED NUCLEATION, METASTABLE-PHASE-FORMATION, LENNARD-JONES CLUSTERS, AQUEOUS UREA SOLUTIONS, HETEROGENEOUS NUCLEATION, PROTEIN CRYSTALLIZATION, POLARIZATION DEPENDENCE, SELECTIVE NUCLEATION, WETTING TRANSITIONS, LIQUID TRANSITION
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Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Symplectic Elements
Date Deposited: 12 Dec 2012 11:56
Last Modified: 23 Sep 2013 19:52
URI: http://epubs.surrey.ac.uk/id/eprint/738152

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