PMID: 22587111May 17, 2012Paper

Electro-optic response of the anticlinic, antiferroelectric liquid-crystal phase of a biaxial bent-core molecule with tilt angle near 45∘

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
M NakataN A Clark

Abstract

We describe the unusual electro-optic response of a biaxial bent-core liquid crystal molecule that exhibits an anticlinic, antiferroelectric smectic phase (Sm-C(A)P(A)) with a molecular tilt angle close to 45°. In the ground state, the sample shows very low birefringence. A weak applied electric field distorts the antiferroelectric ground state, inducing a small azimuthal reorientation of the molecules on the tilt cone. This results in only a modest increase in the birefringence but an anomalously large (∼40°) analog rotation of the extinction direction. This unusual electro-optic response is shown to be a consequence of the molecular biaxiality.

References

Jan 7, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·P RudquistS T Lagerwall
Apr 20, 2004·Physical Review Letters·Bharat R AcharyaSatyendra Kumar
Mar 22, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Ji WangElizabeth K Mann
Apr 28, 2009·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Khoa Van LeAntal Jákli
Dec 21, 2011·Physical Review Letters·Oriano FrancescangeliEdward T Samulski

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Citations

Jan 20, 2016·ACS Applied Materials & Interfaces·Min-Jun GimDong Ki Yoon
Sep 27, 2014·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Rajdeep DebIvan I Smalyukh
Dec 11, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·V P Romanov, S V Ulyanov

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