X-ray scattering of polymerizable lipid multilayers aligned at liquid-solid interfaces

HU Shu-Xin; LI Xiu-Hong; WU Lan-Sheng; JIA Quan-Jie; MAI Zhen-Hong; LI Ming

Chinese Physics C> 2003, Vol. 27> Issue(S1) : 53-56

X-ray scattering of polymerizable lipid multilayers aligned at liquid-solid interfaces

Institute of Physics,Chinese Academy of Sciences,Beijing 100080,China2 Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039,China

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Abstract：
We report our recent experimental results on solid-liquid interfaces.A set-up for X-ray scattering from the liquid -solid interfaces has been successfully installed at the Diffuse Scattering Station of the Beijing Synchrotron Radiation Facility.The samples were prepared by evaporation of isopropanol solutions of 10,12-Tricosadiynoic acid (TCDA) deposited on clean silicon surfaces.The in situ X-ray measurements for a long time .The linear elastic theory of liquid crystals can account for the thermal fluctuations of the bilayers only on large scales.The deviation form the linear elastic theory is attributed to the existence of defects in the multilayers.This hypothesis is supported by the observation that polymerization enlarges the displacement field of the defects.

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HU Shu-Xin, LI Xiu-Hong, WU Lan-Sheng, JIA Quan-Jie, MAI Zhen-Hong and LI Ming. X-ray scattering of polymerizable lipid multilayers aligned at liquid-solid interfaces[J]. Chinese Physics C, 2003, 27(S1): 53-56.

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Received: 2003-11-21
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

X-ray scattering of polymerizable lipid multilayers aligned at liquid-solid interfaces

Corresponding author: LI Ming,

Institute of Physics,Chinese Academy of Sciences,Beijing 100080,China2 Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039,China

Received Date: 2003-11-21

Accepted Date: 1900-01-01

Available Online: 2003-01-02

Abstract: We report our recent experimental results on solid-liquid interfaces.A set-up for X-ray scattering from the liquid -solid interfaces has been successfully installed at the Diffuse Scattering Station of the Beijing Synchrotron Radiation Facility.The samples were prepared by evaporation of isopropanol solutions of 10,12-Tricosadiynoic acid (TCDA) deposited on clean silicon surfaces.The in situ X-ray measurements for a long time .The linear elastic theory of liquid crystals can account for the thermal fluctuations of the bilayers only on large scales.The deviation form the linear elastic theory is attributed to the existence of defects in the multilayers.This hypothesis is supported by the observation that polymerization enlarges the displacement field of the defects.

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X-ray scattering of polymerizable lipid multilayers aligned at liquid-solid interfaces

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