Amphiphilic Liquid Crystal Exhibiting the Smectic A to Smectic C Phase Transition without Layer Contraction
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概要
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We prepared an amphiphilic liquid crystal composed of a semiperfluorinated alkyl chain and a 2,3-difluoro-1,4-diphenylbenzene core, and investigated its physical properties using polarized optical microscopy, differential scanning calorimetry, and X-ray diffraction analysis. The compound was found to exhibit the smectic A to smectic C phase transition without layer contraction. The compound doped with a ferroelectric liquid crystal exhibited a fast electro-optical switching with a response time of 10 μs in the chiral smectic A phase in spite of the absence of a chiral smectic C phase. The phase transition behavior is interpreted using the de Vries cone model.
- 2011-02-25
著者
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Takanishi Yoichi
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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Yoshizawa Atsushi
Department Of Applied Chemistry Graduate School Of Science And Engineering Tokyo Institute Of Techno
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Yamamoto Jun
Department Of Anesthesiology Sapporo Medical University School Of Medicine
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Yoshizawa Atsushi
Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, Hirosaki, Aomori 036-8561, Japan
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Ishida Norihiro
Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, Hirosaki, Aomori 036-8561, Japan
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Yamamoto Jun
Department of Physics, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8562, Japan
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Takanishi Yoichi
Department of Physics, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8562, Japan
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