Reconfigurable Circularly Polarized Terahertz Emission from vdW Ferroelectric NbOI2
A controllable chiral terahertz pulse can be generated using a simple dual‐flake vdW ferroelectric NbOI2 emitter in which the polar axes of the two NbOI2 flakes are orthogonal. Both the chirality and the ellipticity can be manipulated by varying the separation distance and the orientations of their polar axes.
Baolong Zhang +3 more
wiley +1 more source
A Polarization-Insensitive, Vanadium Dioxide-Based Dynamically Tunable Multiband Terahertz Metamaterial Absorber. [PDF]
Raza M, Li X, Mao C, Liu F, He H, Wu W.
europepmc +1 more source
4D‐printed auxetic cellular structures made from PETG demonstrate almost complete recovery of shape and mechanical properties after repeated loading. Two strategies successfully addressed the low shape‐fixity issue, the primary limitation of cold programming.
Mehdi Shadman +3 more
wiley +1 more source
Ultra-Thin and Broadband P-Band Metamaterial Absorber Based on Carbonyl Iron Powder Composites. [PDF]
Zhou M, Chen Y, He Y, Yang C.
europepmc +1 more source
3D Polymeric Nanonetworks: From Self‐Assembly to Advanced Fabrication
This review provides the first systematic cross‐method comparison of fabrication techniques for 3D polymeric nanonetworks. It evaluates five key strategies—block copolymer self‐assembly, hyper‐crosslinking, template‐assisted methods, 3D printing, and nanolithography—across critical metrics including resolution, throughput, scalability, and material ...
Carlos G. Cobos +2 more
wiley +1 more source
Ultrahigh-Q Polarization-Independent Terahertz Metamaterial Absorber Using Pattern-Free Graphene for Sensing Applications. [PDF]
Chen Y +6 more
europepmc +1 more source
Real‐Time Probing of Complex Bi‐Periodic Self‐Organized Grating Formation via Small‐Angle Scattering
A wedge‐shaped AgCl nanolayer with a granular Ag film enables the self‐organization of bi‐periodic nanostructures. Real‐time SAS pattern analysis reveals dynamic domain interactions and competing gratings, validating a generator/re‐emitter model driven by TEn mode excitations. This framework offers a novel approach for evaluating SPN formation quality.
Arashmid Nahal, Ozra Kiasatfar
wiley +1 more source
Anisotropy Analysis of Bamboo and Tooth Using 4‐Angle Polarization Micro‐Spectroscopy
Super‐resolution via orientation: spatial distribution of specific molecular vibrations are revealed at 1/20 of the diffraction limit. ABSTRACT To investigate the anisotropic properties of biomaterials, two distinct classes are considered as follows: polymer‐based (cellulose in plants) and crystalline‐based (enamel in teeth), each demonstrating ...
Meguya Ryu +8 more
wiley +1 more source
Particle Swarm Optimization of Multilayer Multi-Sized Metamaterial Absorber for Long-Wave Infrared Polarimetric Imaging. [PDF]
Li J, Li J, Yi F.
europepmc +1 more source
Relation of Bulk‐to‐Shear Loss Factors in Viscoelastic Auxetic Metamaterials
This article examines the dynamic behavior of isotropic auxetic viscoelastic materials, highlighting how negative Poisson's ratios affect energy dissipation, damping, and the interplay between bulk and shear moduli. By extending established viscoelastic theories to the auxetic range, it defines bound limits and underscores how dynamic Poisson's ratio ...
Simon Preston +2 more
wiley +1 more source

