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题名: Separation of chiral phases by compression: kinetic localization of the enantiomers in a monolayer of racemic amphiphiles viewed as mixing cholesteric liquid crystals
作者: Iwamoto, M ;  Wu, CX ;  Zhong-Can, OY
刊名: CHEMICAL PHYSICS LETTERS
出版日期: 1998
卷号: 285, 期号:41035, 页码:306-312
关键词: LANGMUIR MONOLAYERS ;  CRYSTALLIZATION
学科分类: Physics
通讯作者: Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 O Okayama, Tokyo 152, Japan.
部门归属: Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, Tokyo 152, Japan; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: A monolayer of amphiphiles is studied as a film of cholesteric liquid crystal (ChLC) mixed by the left-and right-handed chiral enantiomers. The equilibrium equations for the chiral phase separation (CPS) order parameter and molecular orientation pattern are derived by minimizing the free energy of the mixing ChLC. We found a one-dimensional (1D) periodic localization of the enantiomers, a stripe-type of CPS. By incorporating the free energy of the stripe-CPS into the thermodynamic calculation, we show that its pressure-area isotherms behave like a spatial 2D van der Waals equation of state, and must have a pressure-plateau region for the phase transition from racemic phase to CPS. This gives a clear explanation of the CPS in a racemic monolayer. (C) 1998 Elsevier Science B.V.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000072935400004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12334
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Iwamoto, M,Wu, CX,Zhong-Can, OY. Separation of chiral phases by compression: kinetic localization of the enantiomers in a monolayer of racemic amphiphiles viewed as mixing cholesteric liquid crystals[J]. CHEMICAL PHYSICS LETTERS,1998,285(41035):306-312.
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