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Araoka F, Hoshi H, Takezoe H. Splayed polarization in the ferroelectric phase of a bent-core liquid crystal as studied by optical second-harmonic generation. Phys Rev E Stat Nonlin Soft Matter Phys. 2004;69(5):051704doi: 10.1103/PhysRevE.69.051704.
Araoka, F., Hoshi, H., & Takezoe, H. (2004). Splayed polarization in the ferroelectric phase of a bent-core liquid crystal as studied by optical second-harmonic generation. Physical review. E, Statistical, nonlinear, and soft matter physics, 69(5), 051704. https://doi.org/10.1103/PhysRevE.69.051704
Araoka, Fumito, et al. "Splayed polarization in the ferroelectric phase of a bent-core liquid crystal as studied by optical second-harmonic generation." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 69,5 (2004): 051704. doi: https://doi.org/10.1103/PhysRevE.69.051704
Araoka F, Hoshi H, Takezoe H. Splayed polarization in the ferroelectric phase of a bent-core liquid crystal as studied by optical second-harmonic generation. Phys Rev E Stat Nonlin Soft Matter Phys. 2004 May;69(5):051704. doi: 10.1103/PhysRevE.69.051704. Epub 2004 May 20. PMID: 15244834.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2004 May;69(5):051704. doi: 10.1103/PhysRevE.69.051704. Epub 2004 May 20.

Splayed polarization in the ferroelectric phase of a bent-core liquid crystal as studied by optical second-harmonic generation.

Physical review. E, Statistical, nonlinear, and soft matter physics

Fumito Araoka, Hajime Hoshi, Hideo Takezoe

Affiliations

  1. Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan.

PMID: 15244834 DOI: 10.1103/PhysRevE.69.051704

Abstract

Splayed polarization orientation has been confirmed in the anticlinic ferroelectric phase of a bent-core liquid crystal containing chiral end chains, P-8 -OPIMB6(*), by optical second-harmonic generation (SHG). The in-plane anisotropy of the SHG signal exhibits an unusual six-peak pattern under the rotation of parallel polarizers in the absence of an electric field, while a usual four-peak pattern simulatable using a uniform molecular orientation model is observed under a field. The unusual pattern was explained by considering a splayed polarization orientation including the effect of polarization charges.

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