CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
|
|
|
|
Biaxiality of Liquid Crystal Formed by Bent-Core Molecules with a Transverse Dipole Moment Deviating from their Angular Bisector |
YE Xiao-Fang, MERLITZ Holger, WU Chen-Xu** |
Department of Physics and ITPA, Xiamen University, Xiamen 361005
|
|
Cite this article: |
YE Xiao-Fang, MERLITZ Holger, WU Chen-Xu 2013 Chin. Phys. Lett. 30 106103 |
|
|
Abstract Monte Carlo simulations are performed to study the phase diagram of liquid crystals formed by bent-core molecules with a strong transverse dipole moment deviating from their angular bisector. The results show that the strong dipolar interaction, after suppressing uniaxial phases, encourages biaxiality, which leads to a Landau point or even to a Landau line in the phase diagram, inducing a more stable biaxial nematic phase. It is also found that a deviation of dipole moment from the angular bisector also suppresses uniaxiality in the small bend-angle regime.
|
|
Received: 08 May 2013
Published: 21 November 2013
|
|
PACS: |
61.30.Cz
|
(Molecular and microscopic models and theories of liquid crystal structure)
|
|
61.30.Gd
|
(Orientational order of liquid crystals; electric and magnetic field effects on order)
|
|
64.70.Md
|
|
|
|
|
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|