Ion-Beam Induced Liquid Crystal Alignment on Diamond-like Carbon and Fluorinated Diamond-like Carbon Thin Films
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概要
- 論文の詳細を見る
Homogeneous and homeotropic orientations of nematic liquid crystal (NLC) are investigated on various inorganic thin films which are exposed to Ar ion-beam. It is the novel investigations which results in a completely dry processing technique for both the thin film deposition and alignment steps. In the case of homogenous alignment on diamond-like carbon (DLC) layer, optical band gap and the polar surface energy are investigated in order to elucidate the alignment mechanism by ion beam (IB) irradiation. We elucidate the role of surface polarity in DLC films with respect to the LC orientation. On the other hand, FDLC thin films are selected by homeotropic alignment layer with regard to the relationship between surface tension and LC orientation. Selected pretilt angles in the range of 71.1–89.8° can be easily obtained with ion beam irradiation. It is sensitively changed by thin films composition and the angle of ion beam irradiation.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-06-15
著者
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Park Chang
Department Of Anatomic Pathology Chonnam National University Medical School
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Hwang Byoung
Department Of Metallurgical Engineering Yonsei University
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Kim Kyung
Department Of Anesthesia And Pain Medicine School Of Medicine Pusan National University
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Baik Hong
Department Of Materials Engineering College Of Engineering Yonsei University
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Rho Soon
Department Of Materials Engineering College Of Engineering Yonsei University
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Kim Jong
Department Of Agricultural Bio-resources National Academy Of Agricultural Science Rural Development
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Ahn Han
Department of Materials Science and Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea
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Park Chang
Department of Electrical and Electronic Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul 120-749, Korea
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Baik Hong
Department of Advanced Materials Engineering, Yonsei University, Seoul 120-749, Korea
-
Kim Jong
Department of Metallurgical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul 120-749, Korea
-
Hwang Byoung
Department of Materials Science and Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea
-
Hwang Byoung
Department of Metallurgical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul 120-749, Korea
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