Physics of liquid crystals of bent-shaped molecules

A Jákli, OD Lavrentovich, JV Selinger - Reviews of Modern Physics, 2018 - APS
Thermotropic liquid crystals can be formed by various molecular shapes, some discovered
over 125 years ago. The simplest and most-studied liquid crystals are made of rod-shaped …

Molecular simulation of liquid crystals

MP Allen - Molecular Physics, 2019 - Taylor & Francis
This article reviews recent progress in the computer simulation of liquid crystals at the
molecular level. It covers the use of simple rigid-body models of the constituent molecules …

Topology of orientational defects in confined smectic liquid crystals

PA Monderkamp, R Wittmann, LBG Cortes… - Physical Review Letters, 2021 - APS
We propose a general formalism to characterize orientational frustration of smectic liquid
crystals in confinement by interpreting the emerging networks of grain boundaries as objects …

Biaxial, twist-bend, and splay-bend nematic phases of banana-shaped particles revealed by lifting the “smectic blanket”

M Chiappini, T Drwenski, R Van Roij, M Dijkstra - Physical Review Letters, 2019 - APS
We perform an extensive computational study on the phase behavior of hard banana-
shaped particles, and show that biaxial, twist-bend, and splay-bend nematic phases are …

Splay-bend nematic phases of bent colloidal silica rods induced by polydispersity

R Kotni, A Grau-Carbonell, M Chiappini… - Nature …, 2022 - nature.com
Liquid crystal (LC) phases are in between solids and liquids with properties of both. Nematic
LCs composed of rod-like molecules or particles exhibit long-range orientational order …

Packing and emergence of the ordering of rods in a spherical monolayer

D Rajendra, J Mandal, Y Hatwalne, PK Maiti - Soft Matter, 2023 - pubs.rsc.org
Spatially ordered systems confined to surfaces such as spheres exhibit interesting
topological structures because of curvature induced frustration in orientational and …

Dynamics of colloidal cubes and cuboids in cylindrical nanopores

A Patti, A Cuetos - Physics of Fluids, 2021 - pubs.aip.org
Understanding how colloidal suspensions behave in confined environments has a striking
relevance in practical applications. Despite the fact that the behavior of colloids in the bulk is …

Self-assembly of freely-rotating polydisperse cuboids: unveiling the boundaries of the biaxial nematic phase

EM Rafael, D Corbett, A Cuetos, A Patti - Soft Matter, 2020 - pubs.rsc.org
Colloidal cuboids have the potential to self-assemble into biaxial liquid crystal phases,
which exhibit two independent optical axes. Over the last few decades, several theoretical …

Dynamics of hard colloidal cuboids in nematic liquid crystals

A Cuetos, A Patti - Physical Review E, 2020 - APS
We perform dynamic Monte Carlo simulations to investigate the equilibrium dynamics of
hard board-like colloidal particles in oblate and prolate nematic liquid crystals. In particular …

Dynamics of uniaxial-to-biaxial nematics switching in suspensions of hard cuboids

E Mirzad Rafael, L Tonti, D Corbett, A Cuetos… - Physics of Fluids, 2021 - pubs.aip.org
Field-induced reorientation of colloidal particles is especially relevant to manipulate the
optical properties of a nanomaterial for target applications. We have recently shown that …