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Antiferroelectric Bent-Core Liquid Crystal for Possible High-Power Capacitors and Electrocaloric Devices
| Content Provider | MDPI |
|---|---|
| Author | Antal, Jákli Saha, Rony Feng, Chenrun Eremin, Alexey |
| Copyright Year | 2020 |
| Description | We present small-angle X-ray scattering, polarized optical microscopy and electric current measurements of a sulfur-containing bent-core liquid crystal material for characterization of the layer and director structures, thermally and electrically driven transitions between antiferroelectric and ferroelectric structures and switching properties. It was found that the material has polarization-modulated homochiral synclinic ferroelectric (SmCsPFmod), homochiral anticlinic antiferroelectric (SmCaPA) and racemic synclininc antiferroelectric (SmCsPA) structures that can be reversibly switched between each other either thermally and/or electrically. High switching polarization combined with softness of the liquid crystalline structure makes this compound a good candidate for applications in high-power capacitors and electrocaloric devices. |
| Starting Page | 652 |
| e-ISSN | 20734352 |
| DOI | 10.3390/cryst10080652 |
| Journal | Crystals |
| Issue Number | 8 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-07-30 |
| Access Restriction | Open |
| Subject Keyword | Crystals Physical Chemistry Bent-core Liquid Crystals Ferroelectricity Energy Storage |
| Content Type | Text |
| Resource Type | Article |
