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24141
Grid-Forming Inverters: A Comparative Study of Different Control Strategies in Frequency and Time Domains
Published 2024-01-01“…Subsequently, time-domain verification using the electromagnetic transient models is conducted for these case studies as well as to assess the power tracking capability of these control strategies in response to changes in power references. …”
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24142
Boosting the Catalytic Performance of AuAg Alloyed Nanoparticles Grafted on MoS<sub>2</sub> Nanoflowers through NIR-Induced Light-to-Thermal Energy Conversion
Published 2023-03-01“…The hydrothermal synthesis of MoS<sub>2</sub> NFs provides a material with a broad absorption in the Vis-NIR region of the electromagnetic spectrum. The in situ grafting of alloyed AuAg and Au NPs of very small size (2.0–2.5 nm) was possible through the decomposition of organometallic complexes [Au<sub>2</sub>Ag<sub>2</sub>(C<sub>6</sub>F<sub>5</sub>)<sub>4</sub>(OEt<sub>2</sub>)<sub>2</sub>]<sub>n</sub> and [Au(C<sub>6</sub>F<sub>5</sub>)(tht)] (tht = tetrahydrothiophene) using triisopropilsilane as reducing agent, leading to nanohybrids <b>1</b>–<b>4</b>. …”
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24143
High-Resolution Observation of Ionospheric E-Layer Irregularities Using Multi-Frequency Range Imaging Technology
Published 2023-01-01“…E-region field-aligned irregularities (FAIs) are a hot topic in space research, since electromagnetic signal propagation through ionospheric irregularities can undergo sporadic enhancements and fading known as ionospheric scintillation, which could severely affect communication, navigation, and radar systems. …”
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24144
Correlation between the Channel Discharge Current and Spectrum of a Single-Stroke Lightning Flash to Canton Tower
Published 2023-12-01“…The intense current of lightning plasma can emit radiation across various parts of the electromagnetic spectrum. Spectral observation is an effective means to understand the radiation characteristics of lightning channels at different wavelengths. …”
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24145
Proof-of-Principle of Absolute Dosimetry Using an Absorbed Dose Portable Calorimeter with Laser-Driven Proton Beams
Published 2023-10-01“…The effect of the electromagnetic pulse (EMP) generated during laser–target interaction was assessed on the system, showing no significant effects on the derived signal-to-noise ratio. …”
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24146
Deep electrical structure of the hinterland of Yunkai magmatic arc in South China and the seismogenic environment of the 2019 Beiliu earthquake
Published 2023-01-01“…The deep electrical structure images were obtained by three-dimensional electromagnetic inversion imaging. The results indicated that the deep part of the hinterland of the YKMA is characterized by a mushroom-shaped electrical structure composed of ultra-high resistance (R1, with a resistivity value exceeding 10,000 Ωm) and sub-high resistance (R2, with a resistivity value of about 1,000–10,000 Ωm) bodies. …”
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24147
Mechanochemical Activation and Spark Plasma Sintering of the Lead-Free Ba(Fe<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub> Ceramics
Published 2021-04-01“…The high electric permittivity values predestines the BFN<sub>x</sub>MA materials for energy storage applications e.g., high energy density batteries, while the negative values of dielectric properties can be used for shield elements against the electromagnetic radiation.…”
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24148
Engineering the thin film characteristics for optimal performance of superconducting kinetic inductance amplifiers using a rigorous modelling technique [version 2; peer review: 1 a...
Published 2023-09-01“…In this paper, we present a novel modelling technique that can better capture the electromagnetic behaviour of a KITWPA without the translation symmetry assumption, allowing us to flexibly explore the use of more complex transmission line structures and better predict their performance. …”
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24149
3D printing of high-precision and ferromagnetic functional devices
Published 2023-01-01“…The reported NdFeB-Fe _3 O _4 magnetic photosensitive resin is anticipated to provide a new functional material for the design and manufacture of next-generation micro-robotics, electromagnetic sensor, and magneto-thermal devices.…”
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24150
Kinetics of Zinc Evaporation from Aluminium Alloys Melted Using VIM and ISM Technologies
Published 2021-11-01“…This is due to the electromagnetic field applied to the liquid metal. This study reports the removal of zinc from the Al-Zn alloy containing 6.3 wt.%. …”
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24151
Environmental Risk Factors for Childhood Acute Lymphoblastic Leukemia: An Umbrella Review
Published 2022-01-01“…Other risk factors including extremely low frequency electromagnetic field (ELF-MF), living in proximity to nuclear facilities, petroleum, benzene, solvent, and domestic paint exposure during early childhood, all showed some level of evidence of association. …”
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24152
Black Hole Ultracompact X-Ray Binaries: Galactic Low-frequency Gravitational Wave Sources
Published 2023-01-01“…The calculated X-ray luminosities of BH UCXBs that can be detected by LISA at a distance d = 1 kpc are ∼10 ^33 –10 ^35 erg s ^−1 (∼10 ^34 –10 ^35 erg s ^−1 for d = 10 kpc); hence, it is possible to detect their electromagnetic counterparts. It is worth emphasizing that only some BH-MS systems with an initial orbital period very close to the bifurcation period can evolve toward low-frequency GW sources whose chirp masses can be measured. …”
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24153
An optimal defect recognition security-based terahertz low resolution image system using deep learning network
Published 2023-09-01“…The physics of Terahertz (THz) technology is the electromagnetic (EM) spectrum band between the infrared and the microwave band with frequencies of about 0.1 to 30 THz. …”
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24154
Design and Parametric Analysis of a Wide-Angle and Polarization Insensitive Ultra-Broadband Metamaterial Absorber for Visible Optical Wavelength Applications
Published 2022-11-01“…Researchers are trying to work out how to make a broadband response metamaterial absorber (MMA). Electromagnetic (EM) waves that can pass through the atmosphere and reach the ground are most commonly used in the visible frequency range. …”
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24155
RF Design and Measurements of a C-Band Prototype Structure for an Ultra-High Dose-Rate Medical Linac
Published 2023-02-01“…In this contest, Sapienza University, in collaboration with SIT-Sordina IORT Technology spa, is developing a new C-band linac to achieve the FLASH regime. (2) Methods: We performed the RF electromagnetic design of the prototype of the C band linac using CST STUDIO Suite Code and the RF low power RF test at Sapienza University of Rome. …”
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24156
MRI-Guided Radiotherapy for Prostate Cancer: a New Paradigm
Published 2022-01-01“…Technically, MRI high-strength magnetic field and linear accelerator high energy electromagnetic beams are hardly compatible, and important efforts were made to overcome these technical challenges and integrate MRI and linear accelerator into one single treatment device, called MRI-linac. …”
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24157
A Flexible Near-Field Biosensor for Multisite Arterial Blood Flow Detection
Published 2022-11-01“…In this work, we develop a compact wearable RF biosensor that detects multisite hemodynamic events due to pulsatile blood flow through noninvasive tissue–electromagnetic (EM) field interaction. The sensor consists of a skin patch spiral resonator and a wearable transceiver. …”
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24158
Ultrawideband Cross-Polarization Converter Using Anisotropic Reflective Metasurface
Published 2022-02-01“…An ultra−wideband and highly efficient polarization conversion (above 90%) is achieved with the help of strong electromagnetic resonance coupling between the upper and lower layer of the metasurface. …”
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24159
Numerical Analysis of Transcranial Magnetic Stimulation Application in Patients With Orofacial Pain
Published 2022-01-01“…The head model including the ROI was then co-registered with a model of the stimulation coil in an electromagnetic field numerical simulator. The accuracy of rTMS application was evaluated based on the calculations of electric field intensity distribution in the ROI. …”
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24160
Electrically Conductive Networks from Hybrids of Carbon Nanotubes and Graphene Created by Laser Radiation
Published 2021-07-01“…Under the action of single pulses of laser irradiation, nanowelding of SWCNT and MWCNT nanotubes with graphene sheets was obtained. Dependences of electromagnetic wave absorption by films of short and long nanotubes with subnanometer and nanometer diameters on wavelength are calculated. …”
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