Abstract

Ferroelectric columnar liquid crystals have recently been expected to be utilized as high-density memory materials. In this study, we succeeded in realizing ferroelectric columnar liquid crystals by introducing a biphenyl moiety with two CF3 groups in the molecular center. In addition, the introduction enabled the liquid crystal to have a wide temperature range and exhibit an electroresponse at room temperature. This is the first example of ferroelectric columnar liquid crystals realized by using rotational isomerization of a laterally polar biphenyl moiety. Ferroelectric columnar liquid crystals were achieved by introducing a biphenyl moiety with two CF3 groups in the molecular center. In addition, the introduction enabled the liquid crystal to have a wide temperature range and exhibit an electroresponse at room temperature. This is the first example of ferroelectric columnar liquid crystals realized by rotational isomerization of a laterally polar biphenyl moiety.

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