Molecular dynamics in an antiferroelectric liquid crystal MHPOBC as observed by time-resolved infrared absorption

Masayoshi Takahashi Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8552, JAPAN

Yoichi Takanishi Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8552, JAPAN

Ken Ishikawa Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8552, JAPAN

Hideo Takezoe Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8552, JAPAN

Abstract

We have investigated the segmental motion of an antiferroelectric liquid crystal using time-resolved polarized infrared absorption. It was found that segmental motions of chiral and achiral chain exhibited the same behavior as that of the core part in 4(l-methylheptyloxy-carbonyl)phenyl 4′-octyloxybiphenyl-4-carboxylate (MHPOBC), in spite of the largely bent chiral chain with respect to the molecular core axis.

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Molecular dynamics in an antiferroelectric liquid crystal MHPOBC as observed by time-resolved infrared absorption

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Molecular dynamics in an antiferroelectric liquid crystal MHPOBC as observed by time-resolved infrared absorption

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