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Structural optimisation of lactic acid derivatives to obtain enhanced ferroelectric properties in smectic phases
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SYSNO ASEP 0571853 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Structural optimisation of lactic acid derivatives to obtain enhanced ferroelectric properties in smectic phases Author(s) Podoliak, Natalia (FZU-D) RID, ORCID
Novotná, Vladimíra (FZU-D) RID, ORCID, SAI
Hamplová, Věra (FZU-D) RID, ORCID, SAI
Pociecha, D. (PL)
Cigl, Martin (FZU-D) RID, ORCIDNumber of authors 5 Source Title Liquid Crystals. - : Taylor & Francis - ISSN 0267-8292
Roč. 50, č. 1 (2023), s. 149-156Number of pages 8 s. Language eng - English Country GB - United Kingdom Keywords smectogens ; lactate derivatives ; anti-ferroelectricity ; ferroelectrics Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects EF16_019/0000760 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA22-16499S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 000879722200001 EID SCOPUS 85141584152 DOI 10.1080/02678292.2022.2131917 Annotation Ferroelectricity is a desirable property of liquid crystalline materials. To enhance the ferroelectric properties, we optimised the molecular structure of the previously synthesised compounds DLm/n and prepared a series of (S)-lactate mesogens denoted ZL, which differ in a linkage of the non-chiral chain by an additional ether group. By this modification, we have succeeded in broadening the temperature range of a ferroelectric SmC* phase and spreading it down to room temperature, as well as in decreasing the melting points in comparison with the previously studied compounds. Also, the spontaneous electric polarisation of ZL compounds was found to be higher than that of parent mesogens. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2024 Electronic address http://doi.org/10.1080/02678292.2022.2131917
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