Dielectric Properties of Ferroelectric Liquid Crystal Hexakis(4-(4´-((s)-6-methyloctyloxy)biphenoxy)cyclotriphosphazene : Electrical Properties of Condensed Matter
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概要
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In the smectic C^*(SmC^*) phase of hexakis(4-(4´-((s)-6-methyloctyloxy)biphenoxy)cyclotriphosphazene (SMOCP), the temperature dependence of the dielectric constants was measured in the frequency region between 5 and 400 Hz. With decreasing temperature, a peak was observed in the dielectric permittivities, ε´, and dielectric losses, ε´´, just below the isotropic liquid (I_s)-to-SmC^*-phase transition point. Upon lowering the frequency, the peak became higher and its position shifted towards lower temperatures. Using the frequency dependences of ε´ and ε´´, a Cole-Cole plot was obtained, which related that the dielectric relaxational intensity Δε was large, and about 270 at 436 K. On the basis of these results, we suggested that the obtained dielectric behaviors were due to the Goldstone mode in the SmC^* phase.
- 社団法人応用物理学会の論文
- 2001-04-01
著者
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Yano S
Department Of Chemistry Faculty Of Engineering Gifu University
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Yano Shinichi
Department Of Synthetic Chemistry Gifu University
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Yano Shinichi
Department Of Chemistry Faculty Of Engineering Gifu University
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MORIYA Keiichi
Department of Chemistry, Faculty of Engineering, Gifu University
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Moriya Keiichi
Department Of Chemistry Faculty Of Engineering Gifu University
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IKEMATSU Hiroshi
Department of Chemistry, Faculty of Engineering, Gifu University
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NAKAGAWA Shigekazu
Department of Chemistry, Faculty of Engineering, Gifu University
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NEGITA Keishi
Department of Chemistry, Faculty of Science, Fukuoka University
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Nakagawa Shigekazu
Department Of Chemistry Faculty Of Engineering Gifu University
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Nakagawa Shigekazu
Department Of Applied Mathematics Okayama University Of Science
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Ikematsu Hiroshi
Department Of Chemistry Faculty Of Engineering Gifu University
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Negita Keishi
Department Of Chemistry Faculty Of Science Fukuoka University
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