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Title: Modeling the structure of liquids and crystals using one- and two-component modified phase-field crystal models
Authors: Robbins, Mark J.
Archer, Andrew J.
Thiele, Uwe
Knobloch, Edgar
Issue Date: 2012
Publisher: © American Physical Society
Citation: ROBBINS, M.J. ... et al., 2012. Modeling the structure of liquids and crystals using one- and two-component modified phase-field crystal models. Physical Review E, 85 (6), 061408, 22pp.
Abstract: A modified phase-field crystal model in which the free energy may be minimized by an order parameter profile having isolated bumps is investigated. The phase diagram is calculated in one and two dimensions and we locate the regions where modulated and uniform phases are formed and also regions where localized states are formed. We investigate the effectiveness of the phase-field crystal model for describing fluids and crystals with defects.We further consider a two-component model and elucidate how the structure transforms from hexagonal crystalline ordering to square ordering as the concentration changes. Our conclusion contains a discussion of possible interpretations of the order parameter field.
Description: This article was published in the journal, Physical Review E [© American Physical Society].
Version: Published
DOI: 10.1103/PhysRevE.85.061408
URI: https://dspace.lboro.ac.uk/2134/12310
Publisher Link: http://dx.doi.org/10.1103/PhysRevE.85.061408
ISSN: 1539-3755
Appears in Collections:Published Articles (Maths)

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