Study of surface alignment of nematic liquid crystals on polyimide Langmuir–Blodgett films

1995 ◽  
Vol 66 (14) ◽  
pp. 1753-1754 ◽  
Author(s):  
Ruipeng Sun ◽  
Jianxin Guo ◽  
Ximin Huang ◽  
Kai Ma
Keyword(s):  
Liquid Crystals ◽  
Nematic Liquid Crystals ◽  
Langmuir Blodgett ◽  
Surface Alignment ◽  
Langmuir Blodgett Films

Surface transitions in nematic liquid crystals oriented with Langmuir-Blodgett films

1993 ◽  
Vol 56 (5) ◽  
pp. 453-455 ◽  
Author(s):  
A. L. Alexe-Ionescu ◽  
G. Barbero ◽  
A. Ignatov ◽  
E. Miraldi
Keyword(s):  
Liquid Crystals ◽  
Nematic Liquid Crystals ◽  
Langmuir Blodgett ◽  
Langmuir Blodgett Films

Alignment of Nematic Liquid Crystals by Polyimide Langmuir-Blodgett Films

1992 ◽  
Vol 31 (Part 2, No. 2B) ◽  
pp. L189-L192 ◽  
Author(s):  
Makoto Murata ◽  
Hiroshi Awaji ◽  
Masakazu Isurugi ◽  
Masakazu Uekita ◽  
Yoshihisa Tawada
Keyword(s):  
Liquid Crystals ◽  
Nematic Liquid Crystals ◽  
Langmuir Blodgett ◽  
Langmuir Blodgett Films

PHOTOINDUCED MOLECULAR REORIENTATION IN POLYMERS, LANGMUIR-BLODGETT FILMSAND LIQUID CRYSTALS

1996 ◽  
Vol 05 (02) ◽  
pp. 165-187 ◽  
Author(s):  
L.M. BLINOV
Keyword(s):  
Liquid Crystals ◽  
Room Temperature ◽  
Optical Recording ◽  
Side Chain ◽  
Molecular Reorientation ◽  
Langmuir Blodgett ◽  
Physical Mechanisms ◽  
Novel Technique ◽  
Liquid Solutions ◽  
Langmuir Blodgett Films

A review of the experimental data on a photoinduced molecular reorientation in various molecular guest-host systems (dyes in liquid solutions, liquid crystals and polymer matrices), side-chain polymers and Langmuir-Blodgett films (LBFs) containing light absorbing chromophores is presented. The photoorientation may be reversible or irreversible. It is accompanied by the photoinduced dichroism and optical anisotropy which is widely used for optical recording information. Special attention is paid to the photoassisted poling of polymers and LBFs, a novel technique that allows for the preparation of the stable photoelectrets at room temperature possessing very promising nonlinear optical properties. The physical mechanisms of the photoinduced molecular reorientation are discussed.

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