Browsing by Author "PANARIN, YURI"
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Alignment instability caused by anchoring of the in-plane directors to the rubbing direction in the V-shaped switching
VIJ, JAGDISH; PANARIN, YURI; FUKUDA, ATSUO (2000)In order to investigate the molecular alignment in the smectic liquid crystals showing the V-shaped switching behavior, two types of the liquid crystal cells, a sandwiched cell and an open cell, were prepared. ... -
Discontinuous change in the smectic layer thickness in ferrielectric liquid crystals
VIJ, JAGDISH; PANARIN, YURI; PANOV, VITALI (2007)The temperature dependence of the thickness of thick free-standing films is studied using a high-resolution film thickness measurement technique. A small discontinuity in the temperature dependence of the smectic layer ... -
Electric field induced biaxiality and the electro-optic effect in a bent-core nematic liquid crystal
VIJ, JAGDISH; PANARIN, YURI; MANNA, UTTAM (2010)We report the observation of a biaxial nematic phase in a bent-core molecular system using polarizing microscopy, electro-optics, and dielectric spectroscopy, where we find that the biaxiality exists on a microscopic scale. ... -
Electro-optic and dielectric study of the de Vries-type smectic- A phase exhibiting transitions to smectic- CA and smectic- C phases
PANARIN, YURI; VIJ, JAGDISH; FUKUDA, ATSUO; MANNA, UTTAM; SONG, JANG-KUN (2008)Mixtures of different compositions of an antiferroelectric liquid crystal compound that exhibits direct smectic-A Sm-A -smectic-CA Sm-CA transition with a ferroelectric liquid crystal compound that exhibits Sm-A -smectic-C ... -
Evidence of deVries structure in a smectic-A liquid crystal observed by polarized Raman scattering
VIJ, JAGDISH; FUKUDA, ATSUO; PANARIN, YURI (2005)The second- and fourth-order apparent orientational order parameters of the core part of the molecule kP2lapp and kP4lapp, have been measured by polarized vibrational Raman spectroscopy for a homogeneously aligned ferroelectric ... -
Experimental study of high-temperature smectic- C FI2 phase in chiral smectic liquid crystals that exhibit phase-sequence reversal
VIJ, JAGDISH; SONG, JANG-KUN; PANARIN, YURI (2008)We report the results of an experimental study of a recently observed phase sequence reversal of smectic-C<sub>FI2</sub><sup>*</sup> [SmC*(qT=1/2); a four layer antiferroelectric] phase appearing in the temperature range ... -
V-shaped electro-optic response observed in a chiral ferroelectric smectic liquid crystal
VIJ, JAGDISH; PANARIN, YURI; SONG, JANG-KUN (2008)We report on the observation of V-shaped switching in a ferroelectric liquid crystal cell over a wide range of temperatures. Results of the optical transmittance in the visible region give us the helical pitch for various ...