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Iwamoto, M; Wu, CX; Zhong-Can, OY; Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 O Okayama, Tokyo 152, Japan.
Separation of chiral phases by compression: kinetic localization of the enantiomers in a monolayer of racemic amphiphiles viewed as mixing cholesteric liquid crystals
Source PublicationCHEMICAL PHYSICS LETTERS
KeywordLangmuir Monolayers Crystallization
AbstractA 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.
1998
ISSN0009-2614
Volume285Issue:41035Pages:306-312
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12334
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorIwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 O Okayama, Tokyo 152, Japan.
Recommended Citation
GB/T 7714
Iwamoto, M,Wu, CX,Zhong-Can, OY,et al. 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.
APA Iwamoto, M,Wu, CX,Zhong-Can, OY,&Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 O Okayama, Tokyo 152, Japan..(1998).Separation of chiral phases by compression: kinetic localization of the enantiomers in a monolayer of racemic amphiphiles viewed as mixing cholesteric liquid crystals.CHEMICAL PHYSICS LETTERS,285(41035),306-312.
MLA Iwamoto, M,et al."Separation of chiral phases by compression: kinetic localization of the enantiomers in a monolayer of racemic amphiphiles viewed as mixing cholesteric liquid crystals".CHEMICAL PHYSICS LETTERS 285.41035(1998):306-312.
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