Results 1 to 10 of about 489,676 (298)

Flüssigkristalle und ihre Anwendungen

open access: yesCHIMIA, 1977
Liquid Crystals are Compounds whose molecules assume an order which lie intermediate between the almost perfect long-range order found in solid crystals and the statistical long-range disorder of an isotropic liquid.
Maged A. Osman
doaj   +1 more source

Observation of lyotropic chromonic liquid crystals droplets with the perpendicular boundary condition [PDF]

open access: yes, 2019
Department of PhysicsControlling anchoring conditions of liquid crystals (LCs) is crucial for the study of liquid crystals and development of liquid crystals-based displays and sensors. Although many studies have been made on thermotropic liquid crystals,
Jung, Leekyo
core  

Octupolar Tensors for Liquid Crystals

open access: yes, 2017
A third-order three-dimensional symmetric traceless tensor, called the \emph{octupolar} tensor, has been introduced to study tetrahedratic nematic phases in liquid crystals.
Chen, Yannan   +2 more
core   +1 more source

Photothermal Transport for Guiding Nanoparticles Through the Vitreous Humor

open access: yesAdvanced Science
Visual impairments affect over 2.2 billion people worldwide, yet delivering drugs to the posterior segment of the eye, including the retina, remains a major challenge. Intravitreal injection, the standard administration route, often results in suboptimal
Léa Guerassimoff   +9 more
doaj   +1 more source

Design and verification of an umbrella shaped narrow band - UWB antenna pair for MIMO applications using characteristic mode analysis

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Using characteristic mode analysis (CMA), a pair of ultra-wideband (UWB) and narrow band antennas is made. The Multiple Input Multiple Output (MIMO) configuration incorporates a circular monopole to attain UWB functionality, while an umbrella-shaped ...
Chandra Suresh Ankireddy   +2 more
doaj   +1 more source

Active colloids in liquid crystals

open access: yes, 2015
Active colloids in liquid crystals (ACLCs) is an active matter with qualitatively new facets of behavior as compared to active matter that becomes isotropic when relaxed into an equilibrium state.
Lavrentovich, Oleg D.
core   +1 more source

Liquid Crystals in Electric Field

open access: yes, 2003
We present a general theory of electric field effects in liquid crystals where the dielectric tensor depends on the orientation order. As applications, we examine (i) the director fluctuations in nematic states in electric field for arbitrary strength of
Born M.   +10 more
core   +1 more source

Fast polarization insensitive optical shutters using dual frequency liquid crystals [PDF]

open access: yes, 2014
Most of the existing displays and optical shutters based on liquid crystals work in combination with linear polarizers. This implies that often more than half of the light is lost due to optical loss in the polarizers and/or the fact that the incoming ...
Beeckman, Jeroen   +6 more
core  

Derivation of a three-dimensional phase-field-crystal model for liquid crystals from density functional theory

open access: yes, 2010
Using a generalized order parameter gradient expansion within density functional theory, we derive a phase-field-crystal model for liquid crystals composed by apolar particles in three spatial dimensions.
Brand, Helmut R.   +2 more
core   +1 more source

Tuning the Electrical Resistivity of Molecular Liquid Crystals for Electro-Optical Devices

open access: yesEngineering Proceedings
Modern applications of molecular liquid crystals span from high-resolution displays for augmented and virtual reality to miniature tunable lasers, reconfigurable microwave devices for space exploration and communication, and tunable electro-optical ...
Michael Gammon   +5 more
doaj   +1 more source

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