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Analysis of dielectric polarization of organic monolayer at the air-water interlace by MDC and SHG spectroscopy
Iwamoto, M; Manaka, T; Ou-Yang, ZC
2005
Conference Name10th International Conference on Organized Molecular Films
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume257-58
Pages155-159
Conference DateOCT 05-10, 2003
Conference PlaceBeijing, PEOPLES R CHINA
Publication PlaceAMSTERDAM
ISSN0927-7757
PublisherELSEVIER SCIENCE BV
AbstractWith Maxwell displacement current (MDC) measurement coupled with optical second harmonic generation (SHG) measurement, the dielectric polarization phenomena of monolayers can be examined. We have been developing a novel MDC-SHG experimental system, and analyzing the dielectric monolayers at the air-water interface. From theoretical side, based on a rod molecule model, formula to express the linear and nonlinear polarization of monolayers with C-infinity-symmetry have been derived using orientational order parameters. On the other hand, using the developed experimental system, the orientational order parameter has been determined with surface pressure-molecular area isotherm (pi-A isotherm) for liquid crystalline monolayers. Further, phase transitions of monolayers that accompanies the monolayer structural change has been successfully detected. (c) 2004 Elsevier B.V. All rights reserved.
KeywordMAXWELL DISPLACEMENT CURRENT OPTICAL 2ND-HARMONIC GENERATION COMPRESSION INTERFACE
DOI10.1016/j.colsurfa.2004.10.018
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
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Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23703
CollectionSCI会议论文
Affiliation1.Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, Tokyo 1528552, Japan
2.Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
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Iwamoto, M,Manaka, T,Ou-Yang, ZC. Analysis of dielectric polarization of organic monolayer at the air-water interlace by MDC and SHG spectroscopy[C]. AMSTERDAM:ELSEVIER SCIENCE BV,2005:155-159.
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