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Orientational ordering in Langmuir monolayer of liquid crystal on a water surface
Sugimura, A; Iwamoto, M; ZhongCan, OY; Sugimura, A , OSAKA SANGYO UNIV,DEPT INFORMAT SYST ENGN,3-1-1 NAKAGAITO,DAITO,OSAKA 574,JAPAN.
1995
发表期刊MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
ISSN1058-725X
卷号263期号:1页码:429-436
摘要The phase transition of an 8CB monolayer on a water surface was investigated experimentally and theoretically. A weak first-order phase transition of the nematic molecules from isotropic to polar orientation was clearly detected by compressing the film in the range of immeasurably low surface pressure by means of Maxwell-displacement-current-measuring techniques. On the basis of the interaction of dipolar molecules with a liquid surface, the thermodynamics of the molecular orientation and related mechanical and electric effects for Langmuir monolayers of molecules were also studied theoretically to elucidate the experimental results. It was shown that the compression of the molecular area should lead to a weak first-order phase transition of the orientation of molecules from the isotropic phase to the polar one. It was also predicted theoretically that a Maxwell displacement current with a sharp pulse shape is generated at, the onset of the transition.
部门归属TOKYO INST TECHNOL,DEPT PHYS ELECTR,MEGURO KU,TOKYO 152,JAPAN; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Displacement Current
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11817
专题理论物理所1978-2010年知识产出
通讯作者Sugimura, A , OSAKA SANGYO UNIV,DEPT INFORMAT SYST ENGN,3-1-1 NAKAGAITO,DAITO,OSAKA 574,JAPAN.
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Sugimura, A,Iwamoto, M,ZhongCan, OY,et al. Orientational ordering in Langmuir monolayer of liquid crystal on a water surface[J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,1995,263(1):429-436.
APA Sugimura, A,Iwamoto, M,ZhongCan, OY,&Sugimura, A , OSAKA SANGYO UNIV,DEPT INFORMAT SYST ENGN,3-1-1 NAKAGAITO,DAITO,OSAKA 574,JAPAN..(1995).Orientational ordering in Langmuir monolayer of liquid crystal on a water surface.MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,263(1),429-436.
MLA Sugimura, A,et al."Orientational ordering in Langmuir monolayer of liquid crystal on a water surface".MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS 263.1(1995):429-436.
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