A New Numerical-Homogenization Method to Predict the Effective Permittivity of Composite Materials
Sign Up to like & getrecommendations! Published in 2020 at "Integrating Materials and Manufacturing Innovation"
DOI: 10.1007/s40192-020-00194-0
Abstract: The effective permittivity of composite materials depends highly on the geometry, the arrangement, and the permittivity of each component. This research proposes a new numerical method that takes into account those dependencies through assemblies of… read more here.
Keywords: permittivity composite; permittivity; method; composite materials ... See more keywords
A model to predict the effective permittivity of heterogeneous multiphase structures with new bounds
Sign Up to like & getrecommendations! Published in 2018 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2017.09.049
Abstract: Abstract A great number of numerical and theoretical models have been proposed, by several authors to estimate the effective permittivity of heterogeneous multiphase structures. The physical effective properties of both composite and nanocomposite materials are… read more here.
Keywords: permittivity heterogeneous; heterogeneous multiphase; multiphase structures; geometry ... See more keywords
Perfect cloaking by shell with radially inhomogeneous chiral medium
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.167038
Abstract: Abstract This paper investigates the electromagnetic cloaking features of a spherical dielectric nanoparticle enclosed by a uniform shell of the inhomogeneous chiral medium. The cloaking characteristics were analyzed in terms of the effective permittivity of… read more here.
Keywords: inhomogeneous chiral; medium; shell; effective permittivity ... See more keywords
Effective permittivity of co-evaporated metal-organic mixed films
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0038899
Abstract: The combination of organics and metals in a composite film holds promise for combining plasmonic interaction with gain and for the realization of epsilon-near-zero (ENZ) metamaterials. In particular, fluorescent organic dyes can be used to… read more here.
Keywords: permittivity evaporated; evaporated metal; metal organic; metal ... See more keywords
Effect of BaTiO3 nanowire on effective permittivity of the PVDF composites
Sign Up to like & getrecommendations! Published in 2021 at "AIP Advances"
DOI: 10.1063/5.0040613
Abstract: With the increasing application of barium titanate (BaTiO3) in polyvinylidene fluoride (PVDF), the evaluation of its dielectric properties has attracted the attention of many frontier scholars. In this paper, from the theoretical point of view,… read more here.
Keywords: permittivity; pvdf composites; effect; batio3 ... See more keywords
An Effective Permittivity Tensor of Cylindrically Perforated Dielectrics
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2017.2774448
Abstract: In the letter, we propose a simple analytical effective permittivity model of perforated dielectrics composed of through-hole cylindrical perforations. As the perforated dielectrics are uniaxial media, the model respects the anisotropic properties of the material… read more here.
Keywords: permittivity tensor; tensor cylindrically; cylindrically perforated; perforated dielectrics ... See more keywords
A Simple Effective Permittivity Model for Metasurfaces Within Multilayer Stratified Media
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2021.3060493
Abstract: A simple and accurate approach for computing the effective permittivity of metasurfaces embedded within arbitrary stratified media is presented. The proposed model provides accurate estimation of the effective permittivity for stackups with several dielectric layers… read more here.
Keywords: simple effective; permittivity model; effective permittivity; stratified media ... See more keywords
Prediction on effective permittivity of 0–3 connectivity particle/polymer composites at low concentration with finite element method
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Dielectrics and Electrical Insulation"
DOI: 10.1109/tdei.2018.007193
Abstract: For practical application, studying the mechanism governing the macroscopic dielectric properties of polymer composites at low concentration is of great significance. A three-dimensional (3D) representative model with randomly dispersed grains in polymer matrix has been… read more here.
Keywords: composites low; permittivity; polymer composites; low concentration ... See more keywords
Edge-Guided Mode Performance and Applications in Nonreciprocal Millimeter-Wave Gyroelectric Components
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2017.2725858
Abstract: The analogies between the behavior of gyromagnetic and gyroelectric nonreciprocal structures, the use of the simple transfer matrix approach, and the edge-guided (EG) wave property, supported in a parallel plate model for integrated magnetized semiconductor… read more here.
Keywords: edge guided; semiconductor; edge; millimeter wave ... See more keywords
Investigation of property losses in single crystal transduction devices
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5068129
Abstract: With the advent of relaxor single crystal materials, such as lead indium niobate-lead magnesium niobate-lead titanate (PIN-PMN-PT) and lead magnesium niobate-lead titanate (PMN-PT), it was discovered that the highly oriented crystal structure of the materials… read more here.
Keywords: niobate lead; single crystal; loss; effective permittivity ... See more keywords
Extraction and control of permittivity of hyperbolic metamaterials with optical nonlocality.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.426746
Abstract: Metal nanorod arrays exhibit hyperbolic dispersion and optical nonlocality under certain conditions. Therefore, their optical behaviors can hardly be expressed by incident-angle-independent effective permittivity. Here we extract effective permittivity of silver nanorod arrays with diameters… read more here.
Keywords: control; nanorod arrays; effective permittivity; optical nonlocality ... See more keywords