Three-Dimensional Binary Superlattices of Oppositely Charged Colloids

Bartlett, Paul; Campbell, Andrew I.

doi:10.1103/physrevlett.95.128302

Cited by 178 publications

(196 citation statements)

References 25 publications

(27 reference statements)

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“…As an example, when using these particles to study charged sphere interactions or the depletion potential, autoionizable solvents [42,43], charging agents [10,[46][47][48]50], or non-adsorbing polymers [45] are added. Introducing additional solutes to the dispersions further complicates an already complex system.…”

Section: Discussionmentioning

confidence: 99%

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The internal structure of poly(methyl methacrylate) latexes in nonpolar solvents

Smith

Finlayson

Gillespie

et al. 2016

Journal of Colloid and Interface Science

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Section: Discussionmentioning

confidence: 99%

“…This has enabled many enlightening studies into phenomena such as hard-sphere colloidal crystallization [29-33, 40, 41], ionic crystallization [34,42,43], depletion-induced gelation and glass formation [44,45], and the interaction of charges in low dielectric media [10,[46][47][48][49][50].…”

Section: Introductionmentioning

confidence: 99%

The internal structure of poly(methyl methacrylate) latexes in nonpolar solvents

Smith

Finlayson

Gillespie

et al. 2016

Journal of Colloid and Interface Science

Self Cite

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“…Thus a colloidal version of the RPM exists [278]. For these colloidal mixtures, three different solid phases have been found experimentally, the fcc disordered solid, the CsCl solid, and a fcc ordered structure [279,280]. The fcc ordered structure was found to be of CuAu type, rather than the tetragonal structure of figure 14.…”

Section: Phase Diagram For a Primitive Model Of Electrolytementioning

confidence: 99%

Determination of phase diagrams via computer simulation: methodology and applications to water, electrolytes and proteins

Vega¹,

Sanz

Abascal

et al. 2008

J. Phys.: Condens. Matter

274

452

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Abstract. In this review we focus on the determination of phase diagrams by computer simulation with particular attention to the fluid-solid and solid-solid equilibria. The methodology to compute the free energy of solid phases will be discussed. In particular, the Einstein crystal and Einstein molecule methodologies are described in a comprehensive way. It is shown that both methodologies yield the same free energies and that free energies of solid phases present noticeable finite size effects. In fact this is the case for hard spheres in the solid phase. Finite size corrections can be introduced, although in an approximate way, to correct for the dependence of the free energy on the size of the system. The computation of free energies of solid phases can be extended to molecular fluids. The procedure to compute free energies of solid phases of water (ices) will be described in detail. The free energies of ices Ih, II, III, IV, V, VI, VII, VIII, IX, XI and XII will be presented for the SPC/E and TIP4P models of water. Initial coexistence points leading to the determination of the phase diagram of water for these two models will be provided. Other methods to estimate the melting point of a solid, as the direct fluid-solid coexistence or simulations of the free surface of the solid will be discussed. It will be shown that the melting points of ice Ih for several water models, obtained from free energy calculations, direct coexistence simulations and free surface simulations, agree within their statistical uncertainty. Phase diagram calculations can indeed help to improve potential models of molecular fluids. For instance, for water, the potential model TIP4P/2005 can be regarded as an improved version of TIP4P. Here we will review some recent work on the phase diagram of the simplest ionic model, the restricted primitive model. Although originally devised to describe ionic liquids, the model is becoming quite popular to describe the behaviour of charged colloids. Besides the possibility of obtaining fluid-solid equilibria for simple protein models will be discussed. In these primitive models, the protein is described by a spherical potential with certain anisotropic bonding sites (patchy sites).

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“…Nevertheless this is the case where the correlation effects between unlike colloidal particles will be more significant. To date, the experimental works have focused on the crystal phases, 11,12 where superlattice crystals were reported, and recent simulations concentrated in the clustering of the particles. 13 In a previous work, the liquid-gas transition was indeed found for this system in the low-density-low-temperature region, 14 and we concentrate here in the effect of the range of the electrical interaction among particles, experimentally controlled by the electrolyte concentration in the medium.…”

Section: Introductionmentioning

confidence: 99%

Liquid-gas separation in colloidal electrolytes

Caballero¹,

Puertas²,

Fernández-Barbero³

et al. 2006

The Journal of Chemical Physics

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Articles you may be interested inThe liquid-gas transition of an electroneutral mixture of oppositely charged colloids, studied by Monte Carlo simulations, is found in the low-temperature-low-density region. The critical temperature shows a nonmonotonous behavior as a function of the interaction range, −1 , with a maximum at Ϸ 10, implying an island of coexistence in the -plane. The system is arranged in such a way that each particle is surrounded by shells of particles with alternating charge. In contrast with the electrolyte primitive model, both neutral and charged clusters are obtained in the vapor phase.

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Three-Dimensional Binary Superlattices of Oppositely Charged Colloids

Cited by 178 publications

References 25 publications

The internal structure of poly(methyl methacrylate) latexes in nonpolar solvents

The internal structure of poly(methyl methacrylate) latexes in nonpolar solvents

Determination of phase diagrams via computer simulation: methodology and applications to water, electrolytes and proteins

Liquid-gas separation in colloidal electrolytes

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