Unexpected field-induced phase transitions between ferrielectric and antiferroelectric liquid crystal structures

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Jaradat, S. and Brimicombe, P.D. and Southern, C. and Siemianowski, S.D. and DiMasi, E. and Osipov, M.A. and Pindak, R. and Gleeson, H.F. (2008) Unexpected field-induced phase transitions between ferrielectric and antiferroelectric liquid crystal structures. Physical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 77 (1). ISSN 2470-0053 (http://dx.doi.org/10.1103/PhysRevE.77.010701)

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Abstract

Liquid crystals are intriguing electrically responsive soft matter systems. We report previously unexplored field-induced changes in the structures of some frustrated liquid crystal phases and describe them theoretically. Specifically, we have discovered using resonant x-ray scattering that the four-layer intermediate smectic phase can undergo either a transition to the ferrielectric (three-layer) phase or to the ferroelectric phase, depending on temperature. Our studies of intermediate phases using electric fields offer a way to test theories that describe ferroelectricity in self-assembling fluids.

ORCID iDs

Jaradat, S., Brimicombe, P.D., Southern, C., Siemianowski, S.D., DiMasi, E., Osipov, M.A. ORCID logoORCID: https://orcid.org/0000-0002-1836-1854, Pindak, R. and Gleeson, H.F.;
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