Isostructural solid–solid coexistence of colloid–polymer mixtures

Álvaro González García; Joeri Opdam; Remco Tuinier; Mark Vis

doi:10.1016/j.cplett.2018.08.028

Isostructural solid–solid coexistence of colloid–polymer mixtures

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Abstract

Hard spheres mixed with penetrable hard spheres display an isostructural solid–solid transition. This phase transition is fully driven by the entropy gain of the depletants without invoking explicit pair potentials between the colloidal particles. The solid–solid phase coexistence terminates at a critical endpoint with a size ratio q≈0.09. Colloid–polymer mixtures are an excellent candidate for the experimental realization of this intricate solid–solid transition, first predicted by Bolhuis and Frenkel for hard spheres with short range pair attractions [PRL 72, 2211–2214 (1994)].

Original language	English
Pages (from-to)	16-20
Number of pages	5
Journal	Chemical Physics Letters
Volume	709
DOIs	https://doi.org/10.1016/j.cplett.2018.08.028
Publication status	Published - 1 Oct 2018

Funding

The authors acknowledge dr. E.M. Blokhuis for comments on the manuscript. ÁGG acknowledges prof. G. de With, N. Romijn BSc., and dr. H.H.W. Wensink for discussions. MV acknowledges the Netherlands Organisation for Scientific Research (NWO) for a Veni grant (No. 722.017.005 ). ÁGG also acknowledges funding from the NWO-TA project 731.015.205 by NWO, DSM, and SymoChem. Appendix A

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AU - García, Álvaro González

AU - Opdam, Joeri

AU - Tuinier, Remco

AU - Vis, Mark

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Y1 - 2018/10/1

N2 - Hard spheres mixed with penetrable hard spheres display an isostructural solid–solid transition. This phase transition is fully driven by the entropy gain of the depletants without invoking explicit pair potentials between the colloidal particles. The solid–solid phase coexistence terminates at a critical endpoint with a size ratio q≈0.09. Colloid–polymer mixtures are an excellent candidate for the experimental realization of this intricate solid–solid transition, first predicted by Bolhuis and Frenkel for hard spheres with short range pair attractions [PRL 72, 2211–2214 (1994)].

AB - Hard spheres mixed with penetrable hard spheres display an isostructural solid–solid transition. This phase transition is fully driven by the entropy gain of the depletants without invoking explicit pair potentials between the colloidal particles. The solid–solid phase coexistence terminates at a critical endpoint with a size ratio q≈0.09. Colloid–polymer mixtures are an excellent candidate for the experimental realization of this intricate solid–solid transition, first predicted by Bolhuis and Frenkel for hard spheres with short range pair attractions [PRL 72, 2211–2214 (1994)].

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JF - Chemical Physics Letters

ER -

Isostructural solid–solid coexistence of colloid–polymer mixtures

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