Results 241 to 250 of about 10,273 (293)

Multi-band terahertz anisotropic metamaterial absorber composed of graphene-based split square ring resonator array featuring two gaps and a connecting bar. [PDF]

Sci Rep
Asgari S, Fabritius T.
europepmc   +1 more source

Micropatterned Surfaces with Unidirectional Wetting Properties for Liquid Transport

Small Structures, EarlyView.
Micropatterned surfaces that guide droplets in a single direction are gaining attention for their role in liquid transport. This review explores how surface designs enable such behavior, from gravity‐driven flow to stimulus‐responsive movement. It also discusses fabrication techniques, design challenges, and emerging strategies to advance directional ...
Elham Lori Zoudani, Prabuddha De Saram, Stefanie Feih, Hoang Huy Vu, Nam‐Trung Nguyen, Navid Kashaninejad   +5 more
wiley   +1 more source

Effect of Temperature Ramp in Rapid Folding of 3D DNA Origami Structures

Small Structures, EarlyView.
This work investigates the effect of annealing temperature ramp on DNA origami folding and proposes a simplified 60°C–40°C protocol, where 3D DNA origami folds with high yield within 1–3 h, over six times faster than conventional methods. This fast folding is achieved, while retaining structural functionality, and thus, enabling rapid prototyping and ...
Anurit Dey, Mohammed Mustafa A. Al Hussain, Xuan‐Hung Pham, Jacky Loo, Ashwin Karthick Natarajan, Anton Kuzyk   +5 more
wiley   +1 more source

Structure–Reactivity Relationships of Oxime–Oxalate/Glyoxylate/Ester Derivatives: Dual Photo/Thermal Initiators for Visible Light Polymerization and Composite Preparation

Angewandte Chemie, Volume 138, Issue 4, 22 January 2026.
OP1, a newly synthesized nitro‐carbazole oxime oxalate, shows superior Type I photoinitiation under blue LEDs and sunlight due to efficient decarboxylation. It enables high‐resolution 3D printing, offers dual photo/thermal initiation, lower cytotoxicity than TPO, and provides insights for designing sustainable photoinitiators.
Tong Gao, Thybault De Monfreid, Ji Feng, Jing Zhang, Fabrice Morlet‐Savary, Céline Dietlin, Michael Schmitt, Frédéric Dumur, Jean‐Patrick Joly, Malek Nechab, Pu Xiao, Jacques Lalevée   +11 more
wiley   +2 more sources

Mechanical Behavior and Damage Evolution in Additively Manufactured Spinodoids

PAMM, Volume 26, Issue 1, March 2026.
ABSTRACT This research focuses on the mechanical behavior and damage evolution of additively manufactured spinodoid metamaterials under quasi‐static loading. Additive manufacturing (AM), especially laser powder bed fusion (LPBF), enables the fabrication of complex geometries from digital models and is particularly suited for architected materials like ...
Vishal Sreenivasa, Michael Kaliske
wiley   +1 more source

Cross enclosed square split ring resonator based on D.N.G. metamaterial absorber for X-band glucose sensing application. [PDF]

Heliyon
Khalil MA, Yong WH, Islam MS, Hoque A, Chin Leei C, Soliman MS, Tariqul Islam M.   +6 more
europepmc   +1 more source

An Epsilon‐Near‐Zero‐Based Nonlinear Platform for Ultrafast Re‐Writable Holography

Nanophotonics, Volume 15, Issue 2, 27 January 2026.
We show that an unstructured, sub‐wavelength thick epsilon‐near‐zero material, such as ITO, can be efficiently used for ultrafast re‐writable holography over a broad bandwidth range. We showcase two powerful applications of our scheme, that is, spatial structuring of light and optical computation.
M. Zahirul Alam, Robert Fickler, Yiyu Zhou, Enno Giese, Jeremy Upham, Robert W. Boyd   +5 more
wiley   +1 more source

Real‐Time Optimal Control of High‐Dimensional Parametrized Systems by Deep Learning‐Based Reduced Order Models

International Journal for Numerical Methods in Engineering, Volume 127, Issue 1, 15 January 2026.
ABSTRACT Steering a system towards a desired target in a very short amount of time is a challenging task from a computational standpoint. Indeed, the intrinsically iterative nature of optimal control problems requires multiple simulations of the state of the physical system to be controlled. Moreover, the control action needs to be updated whenever the
Matteo Tomasetto, Andrea Manzoni, Francesco Braghin   +2 more
wiley   +1 more source

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Terahertz Metamaterial Absorbers

Advanced Materials Technologies, 2021
AbstractTerahertz metamaterial absorbers (TMAs) can efficiently absorb electromagnetic wave in the range of 0.1–10 THz based on the tunable electromagnetic properties of artificially designed unit cells. TMAs can achieve perfect absorption, as well as broad band absorption.
Chuanxin Chen, Minqi Chai, Meihua Jin, Tao He   +3 more
openaire   +1 more source

Metamaterial saturable absorber mirror

Optics Letters, 2013
We propose a metamaterial saturable absorber mirror at midinfrared wavelengths that can show a saturation of absorption with intensity of incident light and switch to a reflecting state. The design consists of an array of circular metallic disks separated by a thin film of vanadium dioxide (VO(2)) from a continuous metallic film. The heating due to the
Govind, Dayal, S Anantha, Ramakrishna
openaire   +2 more sources