Ferroelectric liquid-crystal and solid phases formed by strongly interacting dipolar soft spheres
- 1 December 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 46 (12) , 7783-7792
- https://doi.org/10.1103/physreva.46.7783
Abstract
Molecular-dynamics simulation results are reported for systems of strongly interacting dipolar soft spheres. Calculations have been carried out along two isotherms and the structure of the liquid-crystal and solid phases obtained is described in detail. It is found that in addition to the ferroelectric nematic phase we previously reported [Phys. Rev. Lett. 68, 2043 (1992)], liquid crystals with columnar order can also be obtained. The model freezes to form a ferroelectric solid which is shown to have a tetragonal I crystal structure. The influence of different boundary conditions upon the simulation results is also discussed.Keywords
This publication has 15 references indexed in Scilit:
- Orientational order in simple dipolar liquids: Computer simulation of a ferroelectric nematic phasePhysical Review Letters, 1992
- Head-tail asymmetry and ferroelectricity in uniaxial liquid crystalsMolecular Physics, 1991
- Computer simulation results for the dielectric properties of a highly polar fluidThe Journal of Chemical Physics, 1990
- Ferroelectric Nematic Liquid Crystals: Realizability and Molecular ConstraintsPhysical Review Letters, 1988
- Phase Transitions of Bowlic Liquid CrystalsMolecular Crystals and Liquid Crystals, 1987
- Bowlic Liquid CrystalslMolecular Crystals and Liquid Crystals, 1987
- Computer Simulation of the Static Dielectric Constant of Systems with Permanent Electric DipolesAnnual Review of Physical Chemistry, 1985
- Non-Newtonian molecular dynamicsComputer Physics Reports, 1984
- Computer ‘‘experiment’’ for nonlinear thermodynamics of Couette flowThe Journal of Chemical Physics, 1983
- Simulation of electrostatic systems in periodic boundary conditions. I. Lattice sums and dielectric constantsProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1980