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- Physics 1
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541
Compact Vitis vinifera-Inspired Ultrawideband Antenna for High-Speed Communications
Published 2021-01-01“…The proposed antenna is built on an FR4 substrate with a dielectric constant of 4.4, a loss tangent of 0.02, and a thickness of 1.5 mm. …”
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542
Impedance Spectroscopy and FTIR Studies of PEG - Based Polymer Electrolytes
Published 2011-01-01“…The imaginary part of dielectric constant (εi) decreases with increase in frequency in the low frequency region whereas frequency independent behavior is observed in the high frequency region.…”
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543
Investigation of ferroresonance phenomena in isolated 6 kV power network
Published 2023-01-01“…Ferroresonance is a complex nonlinear electrical phenomenon that can cause significant dielectric and thermal stresses in power equipment, leading to potential faults, equipment damage, power supply interruptions, etc. …”
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544
Additive contribution of multiferroic film and semiconductor substrate from nanotube array to resistive switching, topographic features
Published 2024-12-01“…The negative differential resistance probably arises from the oxide dielectric layer of BFO, thin regions of which participate in the tunneling process. …”
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545
Frequency-Tunable Tri-Band Metamaterial-Inspired Antenna
Published 2025-01-01“…The prototype antenna has been designed and fabricated using the FR4 substrate with a thickness of 1.6 mm and a dielectric constant of 4.3. The measured return loss and far-field radiation patterns of the fabricated antenna have good agreement with the simulated results. …”
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546
Characterization of Asbestos in Ambient Air During Refractory Material Production from Magnesite Ore
Published 2021-09-01“…It can be commonly found in nature and from which fibre uses in the industry through processing are obtained. It is dielectric and fibrous, having an elastic feature. However, there is limited information about the air quality in terms of asbestos for the companies that produce refractory materials from magnesite ore. …”
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547
Evaluation of the Trapped Surface Wave of a Vertical Electric Dipole Based on Undetermined Coefficient Method in the Presence of N-Layered Region: A Graphical Approach
Published 2019-01-01“…Accordingly, the generated trapped surface wave components are computed when both the observation point and the electric dipole source are on or near the surface of a dielectric-coated conductor. Validity, efficiency, and accuracy of the proposed method are illustrated by numerical examples.…”
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548
Characterization, structural study, Hirshfeld surface, vibrational properties and thermal analysis of a supramolecular hybrid compound: (C8H14N2)4·(TeBr6)3·2(Br)
Published 2025-01-01“…Preliminary insights into its structural features, such as the presence of [TeBr6]2− units and π interactions, suggest potential catalytic activity alongside optoelectronic and dielectric applications, warranting further investigation.…”
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549
Femtosecond laser induced ultrafast interface dynamics between single layer graphene and quartz substrate: A theoretical study
Published 2025-01-01“…SiO2 is the most widely used dielectric substrate for graphene devices. Theoretically investigating the interaction between graphene and SiO2 is vitally important for understanding graphene properties and improving device performance. …”
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550
Design of a Novel Superwideband Dual Port Antenna with Second-Order Hilbert Branches and a Modified T-Decoupling Structure
Published 2023-01-01“…Two SWB antenna units are placed symmetrically on FR4 dielectric substrate to form the SWB-MIMO (multiple-in multiple-out) antenna. …”
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551
3D-printed aberration-free terahertz metalens for ultra-broadband achromatic super-resolution wide-angle imaging with high numerical aperture
Published 2025-01-01“…In this study, through translating the required phase distribution into a refractive index (RI) profile with a specific thickness, an innovative approach to designing THz metalenses is proposed and achieved by dielectric gradient metamaterials. The samples fabricated by 3D printing can realize achromatic super focusing with a numerical aperture (NA) of 0.555 from 0.2 to 0.9 THz. …”
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552
Microfluidic Flexible Substrate Integrated Microstrip Antenna Sensor for Sensing of Moisture Content in Lubricating Oil
Published 2020-01-01“…The sensor identifies liquids having different effective dielectric constants by detecting changes in the resonance frequency. …”
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553
Technique of Coaxial Frame in Reflection for the Characterization of Single and Multilayer Materials with Correction of Air Gap
Published 2014-01-01“…Techniques based on fixture probes in reflection are used in microwave reflectometry as a novel diagnostic tool for detection of skin cancers, for complex permittivity measurements on liquid samples and oil shale, and for complex dielectric permittivity of animals’ organs and tissues measurements in microwave band for the needs of modern veterinary medicine. …”
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554
Transverse optical gradient force in untethered rotating metaspinners
Published 2025-01-01“…Abstract Nanostructured dielectric metasurfaces offer unprecedented opportunities to control light-matter momentum exchange, and thereby the forces and torques that light can exert on matter. …”
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555
Design and Validation of an Antipodal Vivaldi Antenna with Additional Slots
Published 2019-01-01“…We have designed and fabricated the improved structure of Antipodal Vivaldi Antenna with the help of new dielectric substrate ASTRA®MT77 material. We have chosen a unique substrate material to develop our novel Antipodal Vivaldi Antenna because most research has been done on commonly used materials like FR4, RT Duroid, etc. …”
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556
Into the latent space of capacitive sensors: interpolation and synthetic data generation using variational autoencoders
Published 2025-01-01“…Therefore, this paper proposes the generation of synthetic signals through a Variational Autoencoder (VAE) to enlarge a spectra dataset acquired with a capacitive sensor based on a Dielectric Resonator. Trained with signals of several water/glycerine concentrations, this generative model learns the dataset characteristics and builds a representative latent space. …”
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557
A DR Loaded Substrate Integrated Waveguide Antenna for 60 GHz High Speed Wireless Communication Systems
Published 2014-01-01“…The concept of substrate integrated waveguide (SIW) technology along with dielectric resonators (DR) is used to design antenna/array for 60 GHz communication systems. …”
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558
Real-Time Monitoring Method and Circuit Based on Built-In Reliability Prediction
Published 2024-12-01“…This paper proposes three system-on-chip reliability failure prediction unit circuits: the time-dependent dielectric breakdown prediction circuit, the negative bias temperature instability prediction circuit, and the hot carrier injection prediction circuit. …”
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559
Wavelength-tunable infrared metasurfaces with chiral bound states in the continuum
Published 2025-01-01“…Optical phase-change materials, with tunable dielectric constants and switchable properties during phase transition, offer the potential for dynamic control of optical metasurfaces. …”
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560
A Quad-Element UWB-MIMO Antenna with Band-Notch and Reduced Mutual Coupling Based on EBG Structures
Published 2018-01-01“…It is printed at the center of the dielectric substrate to lower electromagnetic coupling between the parallel elements. …”
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