Dielectric and electro-optical studies of glycerol/ferroelectric liquid crystal mixture at room temperature
Author(s) -
Ajay Kumar,
Jai Prakash,
Amit Choudhary,
A. M. Biradar
Publication year - 2009
Publication title -
journal of applied physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.699
H-Index - 319
eISSN - 1089-7550
pISSN - 0021-8979
DOI - 10.1063/1.3149781
Subject(s) - glycerol , rotational viscosity , dielectric , ferroelectricity , liquid crystal , materials science , polarization (electrochemistry) , optical microscope , viscosity , dielectric spectroscopy , analytical chemistry (journal) , optics , composite material , chemistry , optoelectronics , organic chemistry , scanning electron microscope , electrochemistry , physics , electrode
The optical memory effect based on glycerol mixed deformed helix ferroelectric liquid crystal (DHFLC) material has been investigated. The observed memory effect has also been compared with the glycerol mixed ferroelectric liquid crystals (FLCs). The observance of memory effect has been verified by experimental data using dielectric spectroscopy, electro-optical, and textural studies under polarizing optical microscope. The glycerol not only helps to improve the memory effect in DHFLC material but also alters the physical parameters such as rotational viscosity, spontaneous polarization, response time, etc. too in both glycerol/DHFLC and glycerol/FLC mixtures
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