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电流变效应:机理及模型 被引量:3
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作者 吴庆 赵斌元 胡克鳌 《材料导报》 EI CAS CSCD 2002年第12期1-2,70,共3页
电流变现象发现至今已有50多年。在足够大的外加电场作用下,电流变液的电流变行为发生快速、可逆的变化。为了更好地理解电流变现象,介绍了几种电流变机理。每一种机理都有其自身的优点和缺点。
关键词 电流变效应 双电层极化模型 介电极化模型 电流变流体 电流变机理 电流变模型 成纤化模型 电导模型
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Continuum Model for Electronic Polarization Based on a Novel Dielectric Response Function
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作者 Quan-deWang Han-yu Wu +1 位作者 Ke-xiang Fu Xiang-yuan Li 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2009年第5期481-488,I0001,共9页
A generalized response function based on the use of dielectric spectra for dielectric relaxation process is derived. We apply the general response function to the special case in order to examine how special dielectri... A generalized response function based on the use of dielectric spectra for dielectric relaxation process is derived. We apply the general response function to the special case in order to examine how special dielectric relaxation functions developed by other authors for solvent relaxation can be derived based on our formulations. Three typical solvents, water, methanol, and acetonitrile are used to investigate the electronic polarization processes of polar solvents. The solvent electronic polarization process is shown after a linear variation with the external electric field imposed on the solvent. The results show a conclusion that the electronic polarization of the solvents will accompany the electronic transition synchronously, without time lag. 展开更多
关键词 Response function Dielectric relaxation Electronic polarization Continuummodel
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