Orientational Transition of P-pentyl-p'-cyano- biphenyls Triggered by Conformational Change of Surface Azobenzene Monolayer
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概要
- 論文の詳細を見る
We examined the orientational transition process of p-pentyl-p'-cyano-biphenyl (5CB) molecules in liquid-crystal (LC) cells triggered by the conformational change of the surface azobenzene monolayer on polyimide (PI) Langmuir-Blodgett (LB) films, by measuring the optical transmittance and the electrical capacitance simultaneously. The experimental results were analyzed using a continuum theory describing the free energy of LC cells. It was shown that the motion of 5CB molecules triggered by the surface azobenzene monolayer on PI LB films was ruled by the continuum theory. The transmittance and the capacitance of the LC cells with 1-layer PI LB films were changed reversibly by the alternating irradiation of ultraviolet (UV) and visiblelight, whereas those of LC cells with 5- and 11-layer PI LB layers were not changed reversibly, These results were discussed, taking into account the difference in the anchoring strength of PI LB films.
- 社団法人応用物理学会の論文
- 1999-10-15
著者
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Kato Keisuke
Department of Organic Chemistry, Faculty of Pharmaceutical Sciences, Toho University
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Kato K
National Metrology Institute Of Japan Aist
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真島 豊
東京工大
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Majima Yutaka
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Iwamoto Mitsumasa
Department Of Electrical And Electronic Engineering
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Kubota Kazumi
Media Integration Laboratory Fujitsu Laboratories Ltd.
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Matsumura Atsushi
Department of Physical Electronics, Tokyo Institute of Technology
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Matsumura Atsushi
Department Of Physical Electronics Tokyo Institute Of Technology
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Kato Keisuke
Department Of Biological Sciences Graduate School Of Science The University Of Tokyo
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Kato K
Environment And Process Technology Center Nippon Steel Corporation
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