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Effective long range interlayer interactions and electric field induced subphases in ferrielectric liquid crystals

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Figure

FIG. 1. Electric-field effects in (a) Sm-Cqperpendicular to the applied electric field in the (a) ferroelectric and(c) ferrielectric phases
FIG. 2. Nine composite planar superlattice structures used in the free-energy calculation
FIG. 3. Reproduced gT−in red for studying the electric field effect: χc˜ = −0p.- T˜ phase diagram with parameter values ofcf/B = −0.12 and cf/cp = −1.0 [36,51], and nine chosen pointsT˜ = −0.24, −0.21, and18 at g = 0.1; T˜ = −0.21, −0.16, and −0.09 at g = 0.2; and0.09, −0.02, and 0.05 at g = 0.3.
FIG. 4. Calculated ϕ−the spontaneous polarization is positive and the microscopic short-pitch distorted helix is right handed

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