Materials as machines

JM McCracken, BR Donovan, TJ White - Advanced Materials, 2020 - Wiley Online Library
Abstract Machines are systems that harness input power to extend or advance function.
Fundamentally, machines are based on the integration of materials with mechanisms to …

Shape-programmable liquid crystal elastomer structures with arbitrary three-dimensional director fields and geometries

Y Guo, J Zhang, W Hu, MTA Khan, M Sitti - Nature communications, 2021 - nature.com
Liquid crystal elastomers exhibit large reversible strain and programmable shape
transformations, enabling various applications in soft robotics, dynamic optics, and …

3D microstructures of liquid crystal networks with programmed voxelated director fields

Y Guo, H Shahsavan, M Sitti - Advanced Materials, 2020 - Wiley Online Library
The shape‐shifting behavior of liquid crystal networks (LCNs) and elastomers (LCEs) is a
result of an interplay between their initial geometrical shape and their molecular alignment …

Nanoantenna induced liquid crystal alignment for high performance tunable metasurface

R Maruthiyodan Veetil, X Xu, J Dontabhaktuni… - …, 2024 - degruyter.com
Liquid crystal (LC) based spatial light modulators (SLMs) are a type of versatile device
capable of arbitrarily reconfiguring the wavefront of light. For current commercial LC-SLM …

Liquid crystals-enabled AC electrokinetics

C Peng, OD Lavrentovich - Micromachines, 2019 - mdpi.com
Phenomena of electrically driven fluid flows, known as electro-osmosis, and particle
transport in a liquid electrolyte, known as electrophoresis, collectively form a subject of …

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 …

Low f‐Number Diffraction‐Limited Pancharatnam–Berry Microlenses Enabled by Plasmonic Photopatterning of Liquid Crystal Polymers

M Jiang, Y Guo, H Yu, Z Zhou, T Turiv… - Advanced …, 2019 - Wiley Online Library
Microlenses are desired by a wide range of industrial applications while it is always
challenging to make them with diffraction‐limited quality. Here, it is shown that high‐quality …

Dual diffraction bands of heliconical liquid crystal gratings

S Liu, H Yu, M Jiang, LL Ma, YQ Lu, QH Wei - Physical Review Materials, 2024 - APS
Gratings composed of cholesteric liquid crystals as an important optical element for
emerging applications such as augmented and virtual reality and are renowned for their …

Liquid crystal Pancharatnam–Berry micro‐optical elements for laser beam sha**

M Jiang, H Yu, X Feng, Y Guo… - Advanced Optical …, 2018 - Wiley Online Library
Sha** the intensity profile of a laser beam is desired by various industrial applications. In
this paper, a new approach is presented to design and fabricate liquid crystal (LC) micro …

Photoisomerization dynamics of a light-sensitive chiral dopant in a nematic medium

V Jirón, H Wang, OD Lavrentovich - Liquid Crystals, 2024 - Taylor & Francis
Azobenzene-based chiral dopants in cholesteric liquid crystals are of interest since the
properties they induce in the liquid crystal could be tuned photochemically. Here, we use a …