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Orientational ordering in Langmuir monolayer of liquid crystal on a water surface
Sugimura, A; Iwamoto, M; ZhongCan, OY
1995
Conference Name15th International Liquid Crystal Conference
Source PublicationMOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
Volume263
Pages429-436
Conference DateJUL 03-08, 1994
Conference PlaceBUDAPEST, HUNGARY
Publication PlaceREADING
ISSN1058-725X
PublisherGORDON BREACH SCI PUBL LTD
AbstractThe 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.
KeywordDISPLACEMENT CURRENT
DOI10.1080/10587259508033602
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaCrystallography
WOS SubjectCrystallography
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23804
CollectionSCI会议论文
Affiliation1.TOKYO INST TECHNOL,DEPT PHYS ELECTR,MEGURO KU,TOKYO 152,JAPAN
2.ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
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Sugimura, A,Iwamoto, M,ZhongCan, OY. Orientational ordering in Langmuir monolayer of liquid crystal on a water surface[C]. READING:GORDON BREACH SCI PUBL LTD,1995:429-436.
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