Dielectric and electro-optic study of nematic 5CB confined in nitrate cellulose membranes

被引：0
|
作者：
Rózanski, SA
Stannarius, R
Kremer, F
机构：
[1] Maria Sklodowska Curie High Sch, PL-64920 Pila, Poland
[2] Univ Leipzig, Fak Phys & Geowissensch, D-04103 Leipzig, Germany
来源：
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 1999年 / 211卷
关键词：
dielectric spectroscopy; nematic; confining geometry; molecular dynamics; electro-optics;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Dielectric spectroscopy is employed to analyse the molecular dynamics of a confined nematogen in micrometer cavities of cellulose membrane filters. The dielectric data reveal that the confinement influences the relative amplitudes of the observed molecular relaxation processes, independent of the pore diameter. The dynamics of mesogenic molecules in confining geometry similar to that in the bulk phase. The geometry of the porous material determines the orientational state of the director field. We study the electrooptical properties by measuring electrically controlled light scattering of the composite system.
引用
收藏
页码：147 / 158
页数：12
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