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Jpn. J. Appl. Phys. 29 (1990) pp. L111-L114  |Next Article|  |Table of Contents|
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Letter

Correspondence between Smectic Layer Switching and DC Hysteresis of Apparent Tilt Angle in an Antiferroelectric Liquid Crystal Mixture

Masahiro Johno, Yukio Ouchi, Hideo Takezoe, Atsuo Fukuda, Kanetsugu Terashima¹ and Kenji Furukawa¹

Tokyo Institute of Technology, Department of Organic and Polymeric Materials
¹Chisso Corp.

(Received October 9, 1989; accepted for publication December 6, 1989)

We have shown that field-induced antiferro-ferroelectric phase transition is accompanied by reversible smectic layer switching. A layer structure without any electric field applications forms a chevron structure of the same kind as in ordinary SmC^*. After the application of a field, the field-induced bookshelf structure relaxes to an obtuse chevron structure. The texture change with focal conics or zigzag defects is interpreted by taking account of the field dependence of the layer tilt angle of the chevron structure. The origin of the layer switching is also discussed on the basis of the texture change.

URL: http://jjap.jsap.jp/link?JJAP/29/L111/
DOI: 10.1143/JJAP.29.L111

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