Mineral liquid crystals

P Davidson, JCP Gabriel - Current opinion in colloid & interface science, 2005 - Elsevier
This review describes recent developments in the field of liquid–crystalline suspensions of
mineral nanoparticles. New families of chemical compounds have been investigated in the …

Hard-body models of bulk liquid crystals

L Mederos, E Velasco… - Journal of Physics …, 2014 - iopscience.iop.org
Hard models for particle interactions have played a crucial role in the understanding of the
structure of condensed matter. In particular, they help to explain the formation of oriented …

Isotropic–nematic phase behavior of length-polydisperse hard rods

HH Wensink, GJ Vroege - The Journal of chemical physics, 2003 - pubs.aip.org
The isotropic–nematic phase behavior of length-polydisperse hard rods with arbitrary length
distributions is calculated. Within a numerical treatment of the polydisperse Onsager model …

Self-assembly of bifunctional patchy particles with anisotropic shape into polymers chains: Theory, simulations, and experiments

C De Michele, T Bellini, F Sciortino - Macromolecules, 2012 - ACS Publications
Concentrated solutions of short blunt-ended DNA duplexes, as short as 6 base pairs, are
known to order into the nematic liquid crystal phases. This self-assembly is due to the …

Mineral liquid crystals from self-assembly of anisotropic nanosystems

JCP Gabriel, P Davidson - Colloid Chemistry I, 2003 - Springer
In this article we review the mesogenic properties of the mineral liquid crystals (MLCs)
based on molecular nanowires: Li 2 Mo 6 Se 6; nanotubes: Imogolite and NaNb 2 PS 10; …

Isotropic-nematic phase transition of nonaqueous suspensions of natural clay rods

ZX Zhang, JS Van Duijneveldt - The Journal of chemical physics, 2006 - pubs.aip.org
A novel model system for studying the behavior of hard colloidal rods is presented,
consisting of sterically stabilized particles of natural sepiolite clay. Electron microscopy and …

Aspect ratio and polydispersity dependence of isotropic-nematic transition in discotic suspensions

AF Mejia, YW Chang, R Ng, M Shuai, MS Mannan… - Physical Review E …, 2012 - APS
We demonstrate the strong dependency of the isotropic-nematic (IN) transition of discotic
suspensions on the aspect ratio (ξ= thickness/diameter) via control of the sizes of pristine …

Phase diagram of hard colloidal platelets: A theoretical account

HH Wensink, HNW Lekkerkerker - Molecular Physics, 2009 - Taylor & Francis
We construct the complete liquid crystal phase diagram of hard plate-like cylinders for
variable aspect ratio using Onsager's second virial theory and employing the Parsons–Lee …

Phase separation and nematic order in lyotropic solutions: two types of polymers with different stiffnesses in a common solvent

SA Egorov, A Milchev, A Nikoubashman… - The Journal of …, 2021 - ACS Publications
The interplay of the isotropic–nematic transition and phase separation in lyotropic solutions
of two types of semiflexible macromolecules with pronounced difference in chain stiffness is …

The effects of added nanoparticles on aqueous kaolinite suspensions: I. Structural effects

JC Baird, JY Walz - Journal of colloid and interface science, 2006 - Elsevier
The results of an experimental study focused on the effect of added silica nanospheres on
the structure of an aqueous suspension of disc-shaped kaolinite particles are presented. In …