Induced smectic mesomorphism in mixtures of p-cyano-p'-pentylbiphenyl and p-pentylbenzoic acid
學年 67
學期 1
出版（發表）日期 1979-01-01
作品名稱 Induced smectic mesomorphism in mixtures of p-cyano-p'-pentylbiphenyl and p-pentylbenzoic acid
作品名稱（其他語言）
著者 余良杰; Yu, L.J.; Labes, M. M.
單位 淡江大學化學學系
出版者
著錄名稱、卷期、頁數 Molecular crystals and liquid crystals 54(1-2), pp.1-8
摘要 The phase diagram of p-cyano-p'-pentylbiphenyl (CPB) and p-pentylbenzoic acid (5BA) shows a maximum value of the nematic-isotropic transition temperature at ∼equimolar concentrations of CPB and the dimer of 5BA (D5BA). Two eutectic points occur at concentrations of D5BA of 8 and 65 mole %, respectively, and an induced smectic phase occurs in the concentration range of 15 to 65 % D5BA. Dielectric properties and the spontaneous homeotropy of some of the mixtures can best be understood by considering the phases to consist primarily of D5BA and CPB, with a small amount of free 5BA modulating the dielectric properties and promoting homeotropic alignment.
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語言 en
ISSN
期刊性質 國內
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產學合作
通訊作者
審稿制度 否
國別 TWN
公開徵稿
出版型式 ,電子版
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