Multiple Polar and Non-polar Nematic Phases

Stevie Brown, Ewan Cruickshank, John M.D. Storey, Corrie T. Imrie, Damian Pociecha, Magdalena Majewska, Anna Makal, Ewa Gorecka* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)


Liquid-crystal materials exhibiting up to three nematic phases are reported. Dielectric response measurements show that while the lower temperature nematic phase has ferroelectric order and the highest temperature nematic phase is apolar, the intermediate phase has local antiferroelectric order. The modification of the molecular structure by increasing the number of lateral fluorine substituents leads to one of the materials showing a direct isotropic- ferronematic phase transition.

Original languageEnglish
Pages (from-to)2506-2510
Number of pages6
Issue number24
Early online date8 Nov 2021
Publication statusPublished - 13 Dec 2021

Bibliographical note

Funding Information:
M. M., D. P. and E. G. acknowledge the support of the National Science Centre (Poland) under the grant no. 016/22/A/ST5/00319. C.T.I. and J.M.D.S. acknowledge the financial support of the Engineering and Physical Sciences Research Council [EP/V048775/1].

Data Availability Statement

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  • dielectric constant
  • ferroelectric properties
  • liquid crystals
  • materials science
  • nematic phase


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