Electrically Tunable Microlens Array Enabled by Polymer‐Stabilized Smectic Hierarchical Architectures

JB Wu, SB Wu, HM Cao, QM Chen… - Advanced Optical …, 2022 - Wiley Online Library
Liquid crystals (LCs) are key functional materials that are broadly adopted in various fields
due to their stimuli‐responsiveness. Recently, LCs with hierarchical architectures have …

Internal structure visualization and lithographic use of periodic toroidal holes in liquid crystals

DK Yoon, MC Choi, YH Kim, MW Kim… - Nature materials, 2007 - nature.com
The formation of a large-area ordered structure by organic molecular soft building blocks is
one of the most exciting interdisciplinary research areas in current materials science and …

Tailoring surface patterns to direct the assembly of liquid crystalline materials

Y Xia, A Honglawan, S Yang - Liquid Crystals Reviews, 2019 - Taylor & Francis
Molecular ordering and the defect structures of a material play essential roles in its function
and performance. Controlling molecular alignment and topological defects has been a …

One-dimensional patterns and topological defects in smectic liquid crystal films

B Zappone, E Lacaze - Liquid Crystals Reviews, 2023 - Taylor & Francis
Smectic liquid crystals exhibit a remarkable ability to self-organize into a variety of textures,
patterns, and arrays extending over large surface areas with microscale periodicity. These …

Design of nematic liquid crystals to control microscale dynamics

OD Lavrentovich - Liquid crystals reviews, 2020 - Taylor & Francis
Dynamics of small particles, both living and inanimate, has fascinated scientists for
centuries. Learning how to control it could open technological opportunities in the …

Calorimetric study of phase transitions in confined liquid crystals

GS Iannacchione, D Finotello - Physical review letters, 1992 - APS
Using an ac calorimetry technique we measured the specific heat at the nematic-isotropic,
smectic-A–nematic, and smectic-A–isotropic phase transitions, for the alkylcyanobiphenyl …

Smectic liquid crystal defects for self‐assembling of building blocks and their lithographic applications

YH Kim, DK Yoon, HS Jeong… - Advanced Functional …, 2011 - Wiley Online Library
Recently, it has been reported that liquid crystal (LC) defects can be used to create highly
periodic templates by controlling the surface anchoring and the elastic properties of LC …

Cell alignment by smectic liquid crystal elastomer coatings with nanogrooves

G Babakhanova, J Krieger, BX Li, T Turiv… - … Research Part A, 2020 - Wiley Online Library
Control of cells behavior through topography of substrates is an important theme in
biomedical applications. Among many materials used as substrates, polymers show …

Colloidal gold nanosphere dispersions in smectic liquid crystals and thin nanoparticle-decorated smectic films

R Pratibha, W Park, II Smalyukh - Journal of applied physics, 2010 - pubs.aip.org
We demonstrate that the layer structure and elasticity stabilize dispersions of colloidal
nanoparticles in smectic liquid crystals. We use surface plasmon resonance spectra of gold …

Confined self-assembly of toric focal conic domains (the effects of confined geometry on the feature size of toric focal conic domains)

YH Kim, DK Yoon, MC Choi, HS Jeong, MW Kim… - Langmuir, 2009 - ACS Publications
A smectic liquid crystal (LC) containing a rigid biphenyl group and semifluorinated chains
exhibits a high density of toric focal conic domains (TFCDs) arranged in an ordered array …