Surface anchoring energy and the Freedericksz transitions in ferronematics

E Petrescu, ER Bena - Journal of magnetism and magnetic materials, 2009 - Elsevier
… fields for different Freedericksz transitions in nematic liquid … of the surface anchoring on
the Freedericksz transition in an FN … the surface effects but also for the practical application. …

Magnetic-field-induced Fréedericksz transition and the dynamic response of nematic liquid-crystal films with a free surface

SM Chen, TC Hsieh, RP Pan - Physical Review A, 1991 - APS
Surface effects of liquid crystals are important for both device … The study of free-surface
effects is even more interesting … the backAow effect on these time constants of freesurface (FS) …

Surface-and optical-field-induced Freedericksz transitions and hysteresis in a nematic cell

J Shi, H Yue - Physical Review E, 2000 - APS
… influence of the surface anchoring and the cell thickness on the first-order optically induced
Fréedericksz transitions. The exact criteria for the existence of the first-order transitions at the …

Freedericksz transitions in nematic liquid crystals: The effects of an in-plane electric field

BJ Frisken, P Palffy-Muhoray - Physical Review A, 1989 - APS
… to the direction of initial alignment to drive the transition. If we consider Freedericksz transitions
… The sample volume is enclosed by one pair of conducting surfaces across which the …

Influence of shear flow on the Freedericksz transition in nematic liquid crystals

DV Makarov, AN Zakhlevnykh - Physical Review E—Statistical, Nonlinear, and …, 2006 - APS
… We exhibit some flow aligning effects for nematic liquid crystals with various ratio of …
Fréedericksz transition in sheared nematics. Our calculations predict that surface boundary effects in …

Domain structure in the nematic Freedericksz transition

E Guyon, R Meyers, J Salan - Molecular Crystals and Liquid …, 1979 - Taylor & Francis
… with a free upper surface (leaving a small gap to the … surface is nearly planar). Temperature
gradients were minimized by circulating water at the same temperature at the outer surfaces

Uniqueness in the Freedericksz transition with weak anchoring

FP Da Costa, M Grinfeld, NJ Mottram… - Journal of Differential …, 2009 - Elsevier
… The Freedericksz transition is a classic phenomenon in … this competition between surface
and bulk effects [6]. The facts … of surface and bulk effects, and that the Freedericksz transition is …

Optically induced Freedericksz transition and bistability in a nematic liquid crystal

HL Ong - Physical Review A, 1983 - APS
… and propose experimental methods manifesting the effects of surface interaction. The …
show that the observation of a first-order Freedericksz transition is possible in PAA (p-azoxyanisole…

First-order and continuous Fréedericksz transitions in cholesteric liquid crystals

AY Val'kov, EV Aksenova, VP Romanov - Physical Review E—Statistical …, 2013 - APS
… The Fréedericksz transition in twist cells of cholesteric liquid crystals with a finite surface
energy … This effect is known as the Fréedericksz transition. Particular interest is concentrated on …

Weak anchoring effects in electrically driven Freedericksz transitions

G Napoli - Journal of Physics A: Mathematical and General, 2005 - iopscience.iop.org
Surface effects of liquid crystals are important for both device applications and basic
understanding of physical phenomena [6]. The optical properties of devices containing nematic …