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- Physics 1
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361
First Principle Study of Structural, Electronic, Optical, and Thermodynamic Properties of Scandium-Doped Zirconia Zr1−xScxO2,x=0.125
Published 2024-01-01“…The analysis of optical properties shows that scandium doping in ZrO2 improves the real ε1 and imaginary dielectric functions ε2, extinction coefficient (k), refractive index (n), reflectivity (R), and absorption coefficient (α) properties thereby enhancing its photocatalytic and optical activities. …”
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362
The Novel Microwave Stop-Band Filter
Published 2008-01-01“…The rejection band of the single element is defined by the width, depth, and dielectric filling of the slot. Fifth-order Chebyshev filter utilizing the aforementioned element is also synthesized, manufactured, and tested. …”
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363
Anisotropic Behavior of S-Wave and P-Wave States of Heavy Quarkonia at Finite Magnetic Field
Published 2023-01-01“…Both the real and imaginary part of the potential has been modified through the dielectric function by including the anisotropic parameter ξ. …”
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364
Micro-screw extrusion 3D printing of multiscale ternary nanocomposite absorbers – Part I: Comprehensive materials characterization and exceptional microwave absorption performance...
Published 2025-03-01“…Results show that the selective distribution of MWCNTs enhances the composite’s conductivity and dielectric properties. The screw extrusion process proves advantageous for mass production, multi-material compatibility, and online blending, highlighting the nanocomposite’s potential for electromagnetic wave stealth, shielding, and flexible sensing applications.…”
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365
Parallel Computation of RCS of Electrically Large Platform with Coatings Modeled with NURBS Surfaces
Published 2012-01-01“…This paper uses large-scale parallel Physical Optics (PO) to realize the fast computation of RCS to electrically large targets, which are modeled by Non-Uniform Rational B-Spline (NURBS) surfaces and coated with dielectric materials. Some numerical examples are presented to validate this paper’s method. …”
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366
Oxidation of Paracetamol Drug by a New Oxidant Diperiodatoargentate (III) in Aqueous Alkaline Medium
Published 2006-01-01“…The reaction is of first order in [DPA] and has less than unit order in both [PAM] and [alkali]. A decrease in the dielectric constant of the medium increases the rate of the reaction. …”
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367
A High Selectivity, Miniaturized, Low Profile Dual-Band Bandpass FSS with a Controllable Transmission Zero
Published 2017-01-01“…This FSS is a three-layer structure consisting of three metal layers that are separated from each other by two dielectric substrates. The equivalent circuit model of the FSS and its operating principle are presented and analyzed based on the microwave filter theory. …”
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368
Mechanism of Oxidation of L-Histidine by Heptavalent Manganese in Alkaline Medium
Published 2005-01-01“…The reaction is of first order in [KMnO4], less than unit order in [L-histidine] and [alkali]. Decrease in the dielectric constant of the medium decreases the rate of reaction. …”
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369
Advancements in Synthesis Strategies and Optoelectronic Applications of Bio-Based Photosensitive Polyimides
Published 2024-01-01“…Photosensitive polyimide (PSPI) has emerged as an ideal choice for high-performance optoelectronic materials due to its outstanding thermal stability, mechanical strength, and low dielectric constant. In particular, bio-based photosensitive polyimide prepared from bio-based chemicals, as a green polymer material, not only reflects the advantages of environmental protection and resource efficiency but also contributes to carbon neutrality. …”
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370
A Domain Decomposition Method for Hybrid Shell Vector Element with Boundary Integral Method
Published 2012-01-01“…In this paper, shell vector element (SVE) is used for modeling of thin coating dielectric. Further, a domain decomposition (DD) method for hybrid shell vector element method boundary integral (SVE-BI) is proposed for analysis of electromagnetic problem of multiple three-dimensional thin-coating objects. …”
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371
Microwave Heating as an Alternative Quarantine Method for Disinfestation of Stored Food Grains
Published 2013-01-01“…Contemporary disinfestation methods are chemical fumigation, ionizing radiation, controlled atmosphere, conventional hot air treatment, and dielectric heating, that is, radio frequency and microwave energy, and so forth. …”
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372
Microstrip Antenna Design for Femtocell Coverage Optimization
Published 2014-01-01“…The antenna is designed for LTE Band 7 by using standard FR4 dielectric substrate. The performance of the proposed antenna in the femtocell application is discussed along with results.…”
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373
Satisfaction-Based Multiobjective Optimization of the Design of a 65 GHz Millimeter-Wave Connector
Published 2023-01-01“…The proposed optimization model concurrently satisfies the design requirements in terms of characteristic impedance, transmission frequency, and dielectric withstanding voltage. The model is optimized by innovatively using the multiobjective chaotic optimization algorithm in microwave finite-element simulations. …”
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374
An AMC Backed Folded Dipole Slot Antenna Based on CMOS Process
Published 2013-01-01“…Conventional silicon antenna on chip (AoC) suffers from low radiation performance because the most electromagnetic energy is restricted in silicon substrate as surface wave for its high dielectric permittivity. The energy is dissipated as thermal for low resistivity of silicon substrate. …”
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375
Electric Modulus Analysis of (1 − x) PbMg1/3Nb2/3O3-(x)K1/2Bi1/2TiO3 Ceramics
Published 2022-01-01“…Ferroelectrics refer to groups of dielectrics having the property of spontaneous polarization. …”
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376
An Efficient and Accurate 2W-PE Method for Solving Spatial Field Strength Based on CVNN and PINN
Published 2023-01-01“…A two-way parabolic equation (2W-PE) method based on complex-valued neural networks (CVNNs) and a physics-informed neural network (PINN) is proposed to predict the spatial field in the environment of dielectric obstacles with high efficiency and accuracy. …”
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377
Effect of Vacancy Defects on the Electronic Structure and Optical Properties of GaN
Published 2017-01-01“…New peaks appear in lower energy region of imaginary dielectric function in GaN:VN and GaN:VGa. The main peak moves to higher energy slightly and the intensity decreases.…”
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378
Electronic, Structural, and Optical Properties of Zinc Blende and Wurtzite Cadmium Sulfide (CdS) Using Density Functional Theory
Published 2020-01-01“…Moreover, the optical properties such as real and imaginary parts of the dielectric function, the absorption coefficient, and the energy loss function of CdS are determined.…”
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379
Geometric Models for Isotropic Random Porous Media: A Review
Published 2014-01-01“…Effective medium theory is applied to calculate physical properties for the models such as isotropic elastic moduli, thermal and electrical conductivity, and static dielectric constant. The methods presented are exemplified by applications: small-angle scattering of systems showing fractal-like behavior in limited ranges of linear dimension, optimization of nanoporous insulating materials, and improvement of properties of open-pore systems by atomic layer deposition of a second phase on the internal surface.…”
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380
The optoelectronic properties of boron nitride nanotubes of armchair (7, 7) and zigzag (12, 0) types: A theoretical study
Published 2025-01-01“…Regarding optical properties, the calculations reveal key features such as absorption, reflection, and dielectric constant, with a notably strong absorption peak in the ultraviolet region. …”
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