Structure & Properties of Novel Ferroelectric Liquid Crystals
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Liquid Crystals".
Deadline for manuscript submissions: 20 December 2024 | Viewed by 3890
Special Issue Editor
2. Department of Electrical and Electronic Engineering, Technological University Dublin, Dublin 7, D07 EWV4 Dublin, Ireland
Interests: ferroelectric smectic liquid crystals; bent-core liquid crystals; nematic liquid crystals; helix; dynamics; relaxation
Special Issue Information
Dear Colleagues,
Ferroelectric Liquid Crystals (FLCs) are a unique example of ferroelectricity in liquid subphases. The existence of spontaneous polarization in such systems leads to new dynamic and switching properties due to the linear interaction with electric fields. Ferroelectricity was initially predicted and observed in chiral-tilted smectic phase SmC* almost half century ago, when dynamic behaviour was infectively studied using number of experimental techniques, including electro-optic and dielectric spectroscopy. Since then, ferroelectricity has been exclusively attributed to molecular chirality. However, relatively recently, ferroelectricity was observed in non-chiral LC systems such as bent-core smectic and even nematic phases. Some of these phases show giant permittivity in the order of ~10000, which is governed by molecular dynamics, opening a new area of FLC application as hyper-paraelectric media for supercapacitors.
In this Special Issue, we will publish recent advances and developments in the dynamic properties of FLCs, including traditional chiral and novel non-chiral LCs.
Dr. Yuri Panarin
Guest Editor
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Keywords
- ferroelectric smectic liquid crystals
- bent-core liquid crystals
- nematic liquid crystals
- helix
- dynamics
- relaxation
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