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Phase transitions on non-uniformly curved surfaces: Coupling between phase and location [dataset] Open Access

For particles confined to two dimensions, any curvature of the surface affects the structural, kinetic and thermodynamic properties of the system. If the curvature is non-uniform, an even richer range of behaviours can emerge. Using a combination of bespoke Monte Carlo, molecular dynamics and basin-hopping methods, we show that the stable states of attractive colloids confined to non-uniformly curved surfaces are distinguished not only by the phase of matter but also by their location on the surface. Consequently, the transitions between these states involve cooperative migration of the entire colloidal assembly. We demonstrate these phenomena on toroidal and sinusoidal surfaces for model colloids with different ranges of interactions as described by the Morse potential. In all cases, the behaviour can be rationalised in terms of three universal considerations: cluster perimeter, stress, and the packing of next-nearest neighbours

Descriptions

Resource type

Dataset

Contributors

Creator: Law, Jack ¹
Creator: Dean, Jacob ¹
Creator: Miller, Mark ¹
Creator: Kusumaatmaja, Halim ¹

¹ Durham University, UK

Funder

Engineering and Physical Sciences Research Council (EPSRC)

Research methods

Other description

Keyword

Colloids
Curved surfaces
Torus
Simulation
Phase transitions

Subject

Colloids--Mathematical models

Location

Language

English

Cited in

doi:10.1039/d0sm00652a

Identifier

ark:/32150/r1wh246s13w
doi:10.15128/r1wh246s13w

Rights

Creative Commons Attribution 4.0 International (CC BY)

Publisher

Durham University

Date Created

File Details

Depositor

J.O. Law

Date Uploaded

6 August 2020, 14:08:48

Date Modified

10 August 2020, 16:08:18

Audit Status

Audits have not yet been run on this file.

Characterization

File format: x-gzip (GZIP Format, GZIP)

Mime type: application/x-gzip

File size: 2015585

Last modified: 2020:08:06 15:54:03+01:00

Filename: open_data.tar.gz

Original checksum: a4baeae23413f94712f62e181ec31b67