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US-France Cooperative Research: Structural Characterization of Various Liquid Crystal Phases by Resonant X-ray Scattering

美法合作研究：通过共振X射线散射表征各种液晶相的结构

基本信息

批准号：
9815859
负责人：
Cheng-Cher Huang
金额：
$ 0.9万
依托单位：
University of Minnesota-Twin Cities
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1999
资助国家：
美国
起止时间：
1999-07-01 至 2003-06-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9815859&HistoricalAwards=false
关键词：
US France Cooperative Research Structural

项目摘要

9815859HuangThis three-year award will support US-France collaborative research on structural characterization of liquid-crystal compounds by resonant x-ray scattering. It involves US researchers Cheng-cher Huang, P. Mach of the University of Minnesota, R. Pindak of Bell Laboratories, L. Furenlid of Brookhaven National Laboratory and French researchers Philippe Barois, H. T. Nguyen, Centre de Recherche Paul Pascal and A. -M. Levelut of the University of Paris at Orsay. The investigators propose to conduct collaborative x-ray runs at the European Synchrotron Radiation Facility in Grenoble and at the National Synchrotron Light Source in Brookhaven in order to obtain higher quality data and more detailed structural information about new liquid-crystal compounds and liquid-crystal free-standing films. They propose to design and construct an analyzer that will be sensitive to the intensity and the polarization state of the scattered x-rays.The US investigators bring to this collaboration experimental expertise in liquid-crystal compounds. This is complemented by French expertise in x-ray scattering and in the synthesis of liquid-crystal compounds. Determining the structure of new liquid-crystal compounds will advance understanding of new materials for infrared and microwave liquid-crystal modulators, and fast-switching liquid-crystal displays.

9815859 Huang这个为期三年的奖项将支持美法合作研究液晶化合物的结构表征，通过共振X射线散射。这项研究涉及美国明尼苏达大学的研究人员黄诚彻、P。贝尔实验室的Pindak，L.布鲁克海文国家实验室的Furenlid和法国研究人员Philippe Barois，H。T. Nguyen、Centre de Recherche Paul Pascal和A. -M.位于奥赛的巴黎大学的Levelut。研究人员建议在格勒诺布尔的欧洲同步辐射设施和布鲁克海文的国家同步辐射光源进行合作X射线运行，以获得有关新液晶化合物和液晶独立膜的更高质量数据和更详细的结构信息。他们建议设计和建造一种分析仪，该分析仪将对散射X射线的强度和偏振状态敏感。美国研究人员将液晶化合物的实验专业知识带到了这次合作中。法国在X射线散射和液晶化合物合成方面的专业知识也是一个补充。确定新液晶化合物的结构将促进对红外和微波液晶调制器以及快速切换液晶显示器的新材料的理解。