Results 41 to 50 of about 11,398 (263)

Architecture‐Driven Functional Coupling in Vertically Aligned Nanocomposites

Advanced Functional Materials, EarlyView.
Vertically aligned nanocomposites define a growth‐engineered architecture in which vertical interfaces, strain fields, defect pathways, and phase connectivity are created simultaneously. This review shows how these architectural features couple ferroic, optical, ionic, electrochemical, and device responses, establishing design rules and open challenges
Md Shatil Islam‐Shanto, Javier Zamudio‐García, Abraham Sánchez‐Caballero, David Marrero‐López, Vincenzo Esposito   +4 more
wiley   +1 more source

A new approach for estimating the complex permittivity of powdered dielectrics using a rectangular waveguide in the X-band [PDF]

EPJ Web of Conferences
This paper introduces a new method for estimating the complex permittivity of powdered dielectric materials using a rectangular waveguide. The measurement configuration is based on a multilayer structure in which the powder sample is enclosed between two
Talmoudi Omaima, Ait Benali Lahcen, Terhzaz Jaouad, Tribak Abdelwahed, Ibañez Tomas Fernandez   +4 more
doaj   +1 more source

Computational electromagnetic analysis of partially-filled rectangular waveguide at X-band frequencies

Nonlinear Analysis, 2022
In this paper, the full-wave analysis of the direct scattering problem in the rectangular waveguide is derived. The numerical calculation results of the scattering characteristics are presented.
Ilona Zamaraite, Saulius Rudys, Saulius Lapinskas, Rimvydas Aleksiejunas, Robertas Grigalaitis, Juras Banys   +5 more
doaj   +1 more source

Full‐Field Damage Monitoring in Architected Lattices Using In situ Electrical Impedance Tomography

Advanced Functional Materials, EarlyView.
In situ electrical impedance tomography (EIT) turns 3D‐printed, CNT‐infused architected lattices into full‐field damage‐imaging systems. Tunable Voronoi‐based geometries act as active sensing architectures, enabling conductivity maps to detect early‐stage damage and localise sequential ligament fracture before catastrophic failure.
Akash Deep, Andrea Samore, Alistair McEwan, Andrew McBride, Shanmugam Kumar   +4 more
wiley   +1 more source

Analysis of glucose‐dependent dielectric properties of aqueous‐based solution: A proof of concept

IET Science, Measurement & Technology, 2021
In spite of widespread research and exploration, the status of non‐invasive blood glucometer for diabetic people is far from satisfactory. This unlocks the prospect for further significant research in the field of non‐invasive blood glucose sensing.
Satish, Kushal Sen, Sneh Anand
doaj   +1 more source

Reaction‐Time pH Stabilization by Poly(acrylic acid) with Ethanol‐Mediated Growth Control for Efficient Hydrothermal Sb2(S,Se)3 Solar Cells

Advanced Functional Materials, EarlyView.
Poly(acrylic acid) acts as a reaction‐time pH buffer during hydrothermal Sb2(S,Se)3 growth through its COOH/COO‐ equilibrium. When combined with ethanol‐regulated growth, this buffering strategy reduces Sb‐O related surface disorder, improves local electronic uniformity and carrier collection, and increases the champion solar‐cell efficiency to 10.25%,
Juhee Lee, Geumha Lim, Wookyung Jeon, Seongju Park, Jinwoo Chu, Yohan Yoon, William Jo, Byungha Shin   +7 more
wiley   +1 more source

A Method for the Electromagnetic Characterization of Construction Materials Based on Fabry–Pérot Resonance

IEEE Access, 2017
The determination of the complex permittivity of low-loss construction materials at frequency bands above 6 GHz that are being proposed to allocate forthcoming mobile radio services is of critical importance for the design and deployment of future ...
Vittorio Degli-Esposti, Marco Zoli, Enrico M. Vitucci, Franco Fuschini, Marina Barbiroli, Jiajing Chen   +5 more
doaj   +1 more source

Guanosine‐Quadruplex Hydrogels as Dynamic, Mechanically Tunable and Ion Conductive 3D Scaffolds for Cell Culture Applications

Advanced Functional Materials, EarlyView.
Versatile guanosine‐quadruplex (GQ) hydrogels are developed as dynamic biomatrices for cell culture. These scaffolds are fabricated under mild aqueous conditions, present improved stability, tunable mechanical properties within physiological ranges; fibrillar, porous microstructure, ion conductivity, and cytocompatibility.
Neha Thakur, Minye Jin, Pavel Milkin, Deepa Negi, Carla Cofiño Fabres, Hubert Gojzewski, Leonid Ionov, Alla Synytska, Andries van der Meer, Robert Passier, Julieta I. Paez   +10 more
wiley   +1 more source

Complex Permittivity to Detect Lead in Soil with Various Salt Forms and Combinations

MATEC Web of Conferences, 2017
The response of soil-water systems to an external electric field can be described as polarization and conduction. Polarization represents the electric charges stored in a material, whereas conduction is the ability of a material to conduct free charges ...
Al Martini Samer, Shang Julie Q.
doaj   +1 more source

Rat Head Phantom for Testing of Electroencephalogram Source Localization Techniques

IEEE Access, 2020
In this paper we report a new rat head phantom developed for testing electroencephalogram source localization techniques. The phantom is composed of an agar based mixture mimicking the rat brain, six dipoles and fourteen electrodes for modeling and ...
Jaroslav Lacik, Vlastimil Koudelka, David Kuratko, Zbynek Raida, Daniel Krzysztof Wojcik, Tomas Mikulasek, Jiri Vanek, Stanislav Jiricek, Cestmir Vejmola   +8 more
doaj   +1 more source