Correlation between dielectric properties and phase transitions of 8CB/Sn 2 P 2 S 6 liquid crystal nanocolloids

2017 ◽  
Vol 232 ◽  
pp. 123-129 ◽  
Author(s):  
Y. Lin ◽  
A. Daoudi ◽  
F. Dubois ◽  
A. Segovia-Mera ◽  
C. Legrand ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Liquid Crystal ◽  
Dielectric Properties

scholarly journals A comparative study of nematic liquid crystals doped with harvested and non-harvested ferroelectric nanoparticles: phase transitions and dielectric properties

RSC Advances ◽  
2017 ◽  
Vol 7 (56) ◽  
pp. 35438-35444 ◽  
Author(s):  
Y. Lin ◽  
A. Daoudi ◽  
F. Dubois ◽  
J.-F. Blach ◽  
J.-F. Henninot ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Liquid Crystal ◽  
Liquid Crystals ◽  
Dielectric Properties ◽  
Comparative Study ◽  
Dielectric Spectroscopy ◽  
Nematic Liquid Crystals ◽  
Broadband Dielectric Spectroscopy

Broadband dielectric spectroscopy is used to determine the dielectric properties and phase transitions of the 4-n-octyl-4′-cyanobiphenyl liquid crystal (8CB) doped with harvested and non-harvested ferroelectric nanoparticles.

Enhanced dielectric properties of Nematic liquid crystal doped with ferroelectric nanoparticles

2021 ◽  
pp. 1-9
Author(s):  
Rawia Nasri ◽  
Tayssir Missaoui ◽  
Ahlem Hbibi ◽  
Taoufik Soltani
Keyword(s):  
Liquid Crystal ◽  
Dielectric Properties ◽  
Nematic Liquid Crystal

Phase Transitions and Dielectric Properties in Bi(Zn1/2Ti1/2)O3–(Na1-yLiy)NbO3Perovskite Solid Solutions

2009 ◽  
Vol 48 (3) ◽  
pp. 031401 ◽  
Author(s):  
Chien-Chih Huang ◽  
Naratip Vittayakorn ◽  
Anurak Prasatkhetragarn ◽  
Brady J. Gibbons ◽  
David P. Cann
Keyword(s):  
Phase Transitions ◽  
Dielectric Properties ◽  
Solid Solutions

Li and Nb codoping in dielectric properties and phase transitions of KTaO3: Reentrant dipolar glass and long-range dipole ordering

2001 ◽  
Vol 155 (1-4) ◽  
pp. 367-371
Author(s):  
V. Trepakov ◽  
M. Savinov ◽  
S. Kappahn ◽  
L. Jastrabik ◽  
P. Camagni ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Dielectric Properties ◽  
Long Range ◽  
Dipole Ordering

ON AN ORIENTATION TRANSITION IN NEMATIC LIQUID CRYSTALS INDUCED BY THE THICKNESS OF THE SAMPLE

1993 ◽  
Vol 07 (18) ◽  
pp. 1215-1222
Author(s):  
A. L. ALEXE-IONESCU
Keyword(s):  
Experimental Data ◽  
Phase Transitions ◽  
Liquid Crystal ◽  
Nematic Liquid Crystal ◽  
Tilt Angle ◽  
Critical Thickness ◽  
Large Range ◽  
Square Root ◽  
Chiral Molecules ◽  
Homeotropic Orientation

An orientation transition observed in nematic liquid crystal samples, induced by the thickness, is interpreted in a new way. By supposing that the nematic liquid crystal contains chiral impurities, it is shown that the homeotropic orientation is stable only for thicknesses smaller than a critical one, and is dependent on the concentration of the chiral molecules. At the critical thickness, the transition from the homeotropic orientation to the distorted one is characterized by a tilt angle proportional to the square root of the actual thickness minus the critical one. This trend is typical of second order phase transitions. The agreement between the theory and the experimental data is fairly good over a large range of thickness of the sample.

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