文章摘要
徐敬,李杰.聚偏氟乙烯及其共聚物的分子链旋转势能计算[J].声学技术,2001,(1):27~28
聚偏氟乙烯及其共聚物的分子链旋转势能计算
Variation of interchain potential during molecular chain rotation in copolymer of vinylidene fluoride with trifluoroethylene
投稿时间:2000-01-24  修订日期:2000-06-28
DOI:
中文关键词: “六阱势”  极化反转  铁电  聚偏氟乙烯和三氟乙烯共聚物
英文关键词: six-site-potential  polarization reversal  ferroelectric  copolymer of vinylidene fluoride with trifluoroethylene
基金项目:国家自然科学基金资助项目(批准号:59573020);国家高性能计算基金资助项目(批准号:99521)
作者单位
徐敬 同济大学波耳固体物理研究所, 上海 200092 
李杰 同济大学波耳固体物理研究所, 上海 200092 
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中文摘要:
      文章计算了聚偏氟乙烯和三氟乙烯共聚物分子链旋转时势能曲线.结果表明势能曲线不存在“六阱势”理论所预言假设的准六度对称性.由此推论“六阱势”理论不是描述这种有机铁电共聚物极化反转的合适的理论模型.
英文摘要:
      The variation of interchain potential in copolemer of vinylidene fluoride with trifluoroethylene during chain rotation was calculated.The result indicates that the potential curves do not show six-fold symmetry as predicted by"six-site-potential"model.It was speculated therefore,the"six site potential"is not very appreciative for describing the polarization reversal in these ferroelectric copolymers.
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