Suggested Topics within your search.
Suggested Topics within your search.
- Physics 1
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561
Modelling of structural, mechanical, electronic, and optical properties of Rb2TlXF6 (X = Ir, Rh) double perovskite compounds through density functional theory
Published 2025-01-01“…Additionally, the real and imaginary parts of the dielectric function ∊1(ω) and ∊2(ω) were evaluated, indicating effective light interaction and absorption properties in the visible to UV range. …”
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562
Polarization variable terahertz metasurface along the propagation path
Published 2025-01-01“…Based on the variable property of longitudinal polarization, we propose an application concept of dielectric refractive index sensing, in which an additional medium is placed in the terahertz propagation path and the unknown refractive index is determined by detecting the rotation angle of the output polarization state. …”
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563
Design and Analysis of Microstrip Patch Antennas to Support the Implementation of Smart Ports
Published 2024-12-01“…FR-4 (lossy) and Roggers RT/duroid with a dielectric permittivity of 4.3 and 2.2 has been used as a substrate material. …”
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564
Physics for Scientists and Engineers with Modern physics /
Published 2008Table of Contents: “…Introduction, measurement, estimating -- Mechanics -- Describing motion -- Kinematics in two or three dimensions -- Dynamics -- Using Newton's laws -- Gravitation and Newton's synthesis -- Work and energy -- Conservation of energy -- Linear momentum -- Rotational motion -- Angular momentum -- Static equilibrium -- Fluids, vibrations, waves, sound -- Fluids -- Oscillations -- Wave motion -- Sound -- Kinetic theory and thermodynamics -- Temperature, thermal expansion, and the ideal gas law -- Kinetic theory of gases -- Heat and the first law of thermodynamics -- Second law of thermodynamics -- Electricity and magnetism -- Electric charge and electric field -- Gauss's law -- Electric potential -- Capacitance, dielectrics, electric energy storage -- Electric currents and resistance -- DC circuits -- Magnetism -- Sources of magnetic field -- Electromagnetic induction and faraday's Law -- Inductance, electromagnetic oscillations -- Maxwell's equations and electromagnetic waves -- Light -- Lenses and optical instruments -- The wave nature of light -- Diffraction and polarization -- Modern physics -- Special theory of relativity -- Early quantum theory and models of the atom -- Quantum mechanics -- Quantum mechanics of atoms -- Molecules and solids -- Nuclear physics and radioactivity -- Nuclear energy -- Elementary particles -- Astrophysics and cosmology.…”
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565
Studies on the High-Power Piezoelectric Property Measurement Methods and Decoupling the Power and Temperature Effects on PZT-5H
Published 2025-01-01“…For those piezoelectric materials that operate under high-power conditions, the piezoelectric and dielectric properties obtained under small signal conditions cannot be directly applied to high-power transducers. …”
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566
Solid‐Solution Limits and Thorough Characterization of Bulk β‐(AlxGa1‐x)2O Single Crystals Grown by the Czochralski Method
Published 2025-01-01“…With electrical measurements this work proves an increase of the electrical resistivity of β‐(AlxGa1‐x)2O3:Mg as compared to β‐Ga2O3:Mg. The static dielectric constant and refractive index both decrease with [Al]. …”
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567
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569
Design of polymorphic heterogeneous shell in relaxor antiferroelectrics for ultrahigh capacitive energy storage
Published 2025-01-01“…Leveraging the core-shell effect and polarization heterogeneity, an ultrahigh recoverable energy density of 12.7 J cm-3 and an impressive efficiency of 87.2% are achieved in lead-free relaxor antiferroelectrics, making a performance breakthrough in core-shell dielectrics. This work opens up a new avenue to efficiently develop high-performance energy storage dielectrics and is expected to be popularized in other fields.…”
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570
Small Antennas for Wireless Micro-Systems
Published 2002-01-01“…In particular we will deal with the antennas: loops, helices, F-antennas, patches and dielectrically loaded antennas.…”
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571
Mathematical model of insulation breakdown prediction based on partial discharge characteristics
Published 2021-03-01“…In such dielectrics, it is possible to estimate the residual life in the short term. …”
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572
Ultrasensitive Detection of 2,4-Dinitrophenol Using Nanowire Biosensor
Published 2018-01-01“…This method employs the sensors based on silicon nanowire field-effect transistors with protective layers of high-k dielectrics, whose surface is functionalized with an amino silane. …”
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573
A Variational Approach to Electrostatics of Polarizable Heterogeneous Substances
Published 2015-01-01“…We introduce two additional tensors: the divergence-free energy-like gimel tensor ℷij for rigid dielectrics and the general electrostatic gamma tensor Γij which is not divergence-free. …”
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574
Directive emission from polymeric fluorophore with epsilon-near-zero squaraine molecular film
Published 2023-04-01“…Despite various designs proposed for ENZ-based directive emission, most of the ENZ mediums are restricted to subwavelength structures of metallic plasmonics or inorganic dielectrics. Here, we introduce an organic ENZ film placed on top of a polymeric fluorophore film to demonstrate a directive emission. …”
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575
An Efficient Semianalytical Modal Analysis of Rectangular Waveguides Containing Metamaterials with Graded Inhomogeneity
Published 2021-01-01“…Commonly used commercial electromagnetic solvers such as HFSS, COMSOL, and CST could not efficiently calculate the eigenvalues of waveguides containing graded refractive-index dielectrics. In this paper, an accurate and efficient semianalytical method based on the modal expansion has been proposed to solve these waveguides. …”
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576
Exceptionally high work density of a ferroelectric dynamic organic crystal around room temperature
Published 2022-05-01“…This work demonstrates the hitherto untapped potential of ionic organic crystals for applications such as light-weight capacitors, dielectrics, ferroelectric tunnel junctions, and thermistors.…”
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577
Tuning Metamaterials for Applications at DUV Wavelengths
Published 2012-01-01“…Structured materials comprised of alternating layers of aluminum and aluminum oxide (Al2O3), as well as some other absorption-free dielectrics, exhibit metamaterial behavior, as do some elemental materials such as aluminum. …”
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578
Proof-of-Concept of Microwave-Based Bladder State Detection Using Realistic Pelvic Models
Published 2024-01-01“…In this work, we study the most realistic models to date (both male and female), which incorporate dielectrically and anatomically representative tissues of the pelvic region. …”
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579
An Efficient Full-Wave Electromagnetic Analysis for Capacitive Body-Coupled Communication
Published 2015-01-01“…The propagation loss has also been explained for complex scenarios formed by the ground-plane and the material structures (metals or dielectrics) with the human body. The estimated propagation loss has been used to investigate the link-budget requirement for designing capacitive BCC system in CMOS sub-micron technologies.…”
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580
Printable Materials for the Realization of High Performance RF Components: Challenges and Opportunities
Published 2018-01-01“…This review discusses the challenges facing low loss RF components, which has mostly been material limited by the robustness of the metal and the availability of AM-compatible dielectrics. We summarize the effective printing methods, review ink formulation, and the postprint processing steps necessary for targeted RF properties. …”
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