Electro-Optic Effect and Influence of Bias Electric Field on the Goldstone Mode Dielectric Behavior in Smectic C* Phase and Cell Thickness Dependence of the Dielectric Permittivity of a Ferroelectric Liquid Crystal Mixture

1999 ◽  
Vol 328 (1) ◽  
pp. 161-176 ◽  
Author(s):  
S. Sinha Roy ◽  
S. Kundu ◽  
N. Ghosh ◽  
T. Pal Majumder ◽  
S. K. Roy
Keyword(s):  
Liquid Crystal ◽  
Dielectric Permittivity ◽  
Dielectric Behavior ◽  
Goldstone Mode ◽  
Ferroelectric Liquid Crystal ◽  
Smectic C ◽  
Electro Optic ◽  
Bias Electric Field ◽  
Crystal Mixture ◽  
Cell Thickness

EFFECT OF CELL THICKNESS ON THE DIELECTRIC RELAXATION PROCESSES IN FERROELECTRIC LIQUID CRYSTALS

2008 ◽  
Vol 22 (14) ◽  
pp. 2263-2273 ◽  
Author(s):  
RAJBIR SINGH ◽  
K. K. RAINA
Keyword(s):  
Liquid Crystal ◽  
Dielectric Relaxation ◽  
Dielectric Strength ◽  
Relaxation Processes ◽  
Goldstone Mode ◽  
Ferroelectric Liquid Crystal ◽  
Dielectric Relaxation Spectroscopy ◽  
Dielectric Parameters ◽  
Liquid Crystal Material ◽  
Cell Thickness

Dielectric relaxation spectroscopy in the frequency range 50 Hz to 1 MHz has been carried out in a room temperature ferroelectric liquid crystal mixture in the SmC*, SmA and N* phases in cells of different thickness. The relaxation frequency fr, distribution parameter α and dielectric strength δ∊ have been evaluated. Goldstone mode, domain mode and soft mode have been observed. It is found that the cell thickness has a significant effect on the dielectric parameters of the ferroelectric liquid crystal material. The results have been discussed.

Electro-optic effects in a ferroelectric liquid crystal mixture

1989 ◽  
Vol 92 (1) ◽  
pp. 353-354
Author(s):  
D. K. Rout ◽  
R. N. P. Choudhary ◽  
G. D. Nigam
Keyword(s):  
Liquid Crystal ◽  
Ferroelectric Liquid Crystal ◽  
Electro Optic ◽  
Crystal Mixture

Dielectric and electro-optic studies of a novel ferroelectric liquid crystal mixture

1998 ◽  
Author(s):  
J. Gruber ◽  
Markus C. Scharber ◽  
J. Hajto ◽  
A. Vajda ◽  
Katalin Fodor-Csorba ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Ferroelectric Liquid Crystal ◽  
Electro Optic ◽  
Crystal Mixture
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