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Unexpected field-induced phase transitions between ferrielectric and antiferroelectric liquid crystal structures
Jaradat, S; Brimicombe, P D; Southern, C; Siemianowski, S D; DiMasi, E; Osipov, M; Pindak, R; Gleeson, H F
Physical Review E . 2008;77(1):010701(R).
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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.
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- Jaradat, S. Brimicombe, P. D. Southern, C. Siemianowski, S. D. DiMasi, E. Osipov, M. Pindak, R. Gleeson, H. F. 24 AMER PHYSICAL SOC COLLEGE PK Part 1 258IK