Crystallisation driven by sedimentation: a particle resolved study

Francesco Turci, C Patrick Royall

Research output: Contribution to journalSpecial issue (Academic Journal)peer-review

2 Citations (Scopus)
278 Downloads (Pure)

Abstract

We investigate the effects of the reversal of the gravitational field onto a sedimented and partially crystallised suspension of nearly-hard sphere colloids. We analyse the structural changes that take place during the melting of the crystalline regions and the reorganisation and assembly of the sedimenting particles. Through a comparison with numerical simulation, we access the single-particle kinetics and identify the key structural mechanism in the competition between five-fold symmetric and cubic crystalline structures. With the use of a coarse-grained, discrete model, we reproduce the kinetic network of reactions underpinning crystallisation and highlight the main microscopic transitions.
Original languageEnglish
Article number084004
Number of pages13
JournalJournal of Statistical Mechanics: Theory and Experiment
Volume2016
Issue number8
Early online date12 Aug 2016
DOIs
Publication statusPublished - Aug 2016

Bibliographical note

Special Issue: Structure in Glassy and Jammed Systems

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