Results 61 to 70 of about 75,153 (270)
Advanced Engineering Materials, EarlyView.The growing demand for lightweight, nontoxic, and multifunctional gamma shielding materials has intensified efforts to find alternatives to conventional lead and aluminum‐based protectants. In this work, we develop epoxy quartz fabric composites reinforced with cobalt chloride (CoCl2) microparticles, fabricated via hand lay‐up with varying filler ...
Summan Urooge +7 more
wiley +1 more source
Global rotation of mechanical metamaterials induced by their internal deformation
AIP Advances, 2017 In this work, we propose the concept that a device based on mechanical metamaterials can be used to induce and control its own rotational motion as a result of internal deformations due to the conversion of translational degrees of freedom into ...
K. K. Dudek +5 more
doaj +1 more source
Dielectric Metamaterials with Toroidal Dipolar Response
, 2014 Toroidal multipoles are the terms missing in the standard multipole expansion; they are usually overlooked due to their relatively weak coupling to the electromagnetic fields.
Basharin, Alexey A. +6 more
core +2 more sources
Hyperbolic metamaterial interfaces: Hawking radiation from Rindler horizons and the "end of time" [PDF]
, 2011 Extraordinary rays in a hyperbolic metamaterial behave as particle world lines in a three dimensional (2+1) Minkowski spacetime. We analyze electromagnetic field behavior at the boundaries of this effective spacetime depending on the boundary orientation.
Hwang, Ehren +2 more
core +3 more sources
Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures
Advanced Engineering Materials, EarlyView.This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley +1 more source
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Nontrivial nonradiating all-dielectric anapole
Scientific Reports, 2017 Dynamic anapole is a promising element for future nonradiating devices, such as cloaked sources and sensors, quantum emitters, and especially the sources for observing dynamic Aharonov-Bohm effect. However, the anapole response can be damped by the Joule
Nikita A. Nemkov +2 more
doaj +1 more source
Focusing Microwaves in the Fresnel Zone With a Cavity-Backed Holographic Metasurface
IEEE Access, 2018 We present the design and experimental demonstration of a cavity-backed, holographic metasurface capable of focusing microwaves in the Fresnel zone. The circular cavity consists of two stacked plates: microwaves are injected into the bottom plate via a ...
Vinay R. Gowda +4 more
doaj +1 more source
Non-contact optical magnetic field sensor based on metamaterial nanomechanics
APL Photonics, 2022 We demonstrate a non-contact optical magnetic field sensor that is based on actuation of a metamaterial-microcavity by the magnetic Lorentz force. Magnetic field is transduced to a change of the sensor’s reflectivity.
Guoqiang Lan +4 more
doaj +1 more source
Field Enhancement for the Composite MXene/Black Phosphorus-Based Metasurface
Nanomaterials, 2022 Both MXene and black phosphorus (BP), which actg as hot two-dimensional (2D) materials, have unique optical properties and important applications for nano-micro optical devices.
Yihui Zhou +8 more
doaj +1 more source