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- Physics 1
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681
Sustainability metrics targeted optimization and electric discharge process modelling by neural networks
Published 2025-01-01“…In addition, kerosene oil (KO) has been engaged in traditional EDM which is replaced with the deionized water (DI) based dielectric as a sustainable alternative. The machining variables such as spark voltage (SV), pulse-on-time (PON), peak current (IP), and Al2O3 powder concentration (CP) have been chosen to determine the material removal rate (MRR), surface roughness (SR), and specific energy consumption (SEC) while comparing non-treated (NT), and cryogenically treated (CT) brass electrodes during EDM. …”
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682
Tuning Electronic Structure and Optical Properties of Monolayered h-BN by Doping C, Cu and Al
Published 2025-01-01“…The band gap and static dielectric constant of Cu-Al co-doped BC<sub>0</sub>N, BC<sub>1</sub>N and BC<sub>2</sub>N are 0.98 eV, 0.87 eV and 0.23 eV and 2.34, 3.03 and 3.77, respectively. …”
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683
In-Depth Partial Discharge Inception Voltage Analysis in Laminated Busbar by Means of Experimentations and Simulations
Published 2025-01-01“…This paper aims to address this issue by introducing a comprehensive model that correlates the PDIV of the LBBs with various parameters, including geometric aspects and dielectric material properties. A probabilistic approach is also used in order to study the Partial Discharge (PD) occurrence. …”
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684
First-principles calculations to investigate thermoelectric, thermophysical, and optical properties of RNi₄P₁₂ (R = Sm, Eu) rare-earth metal skutterudites
Published 2024-12-01“…Optical constants, including dielectric function, optical reflectivity, refractive index, electron energy loss, and optical conductivity, are calculated for photon energy radiation. …”
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685
In-Package Air Cold Plasma Treatment of Chicken Breast Meat: Treatment Time Effect
Published 2019-01-01“…The objective of this study was to investigate the effects of in-package dielectric barrier discharge (DBD) atmospheric cold plasma (CP) on meat color, microbiological quality and safety of chicken breast meat (pectoralis major). …”
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686
Structural, electronic, mechanical, optical and magnetic properties of RhNbZ (Z = Li, Si, As) Half-Heusler compounds: a first-principles study
Published 2025-01-01“…Optical parameters such as dielectric function, reflectivity, refractive index, extinction coefficient, absorption coefficient, optical conductivity and electron energy loss were estimated in the photon energy range of 0–40 eV. …”
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687
Short-Circuit Performance Analysis of Commercial 1.7 kV SiC MOSFETs Under Varying Electrical Stress
Published 2025-01-01“…Failure analysis revealed gate dielectric breakdown as the dominant failure mode at V<sub>DS</sub> ≤ 600 V, while thermal runaway was observed at higher voltages (V<sub>DS</sub> = 800 V and 1100 V). …”
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688
Al‐Rich AlGaN Transistors with Regrown p‐AlGaN Gate Layers and Ohmic Contacts
Published 2025-01-01“…Epitaxial regrowth of AlGaN avoids the use of gate insulators which can suffer from charge trapping effects observed in typical dielectric layers deposited on AlGaN. Low resistance Ohmic contacts (minimum specific contact resistance = 4 × 10−6 Ω cm2, average = 1.8 × 10−4 Ω cm2) are demonstrated in an Al0.85Ga0.15N barrier/Al0.68Ga0.32N channel HEMT by employing epitaxial regrowth of a heavily doped, n‐type, reverse compositionally graded epitaxial structure. …”
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689
Sedimentation-driven one-step fabrication of bifunctional single-layered triboelectric nanogenerator from sol-state composite precursor
Published 2025-02-01“…The BF-TENG consists of the polydimethylsiloxane (PDMS) matrix and a carbon nanopowder filler, and it includes both the dielectric part (DP) and conductive part (CP) in one single layer. …”
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690
Electrocatalytic Properties of Calcium Titanate, Strontium Titanate, and Strontium Calcium Titanate Powders Synthesized by Solution Combustion Technique
Published 2019-01-01“…Calcium titanate (CaTiO3), strontium titanate (SrTiO3), and strontium calcium titanate (SrxCa1−xTiO3) are widely recognized and utilized as dielectric materials. Their electrocatalytic properties, however, have not been extensively examined. …”
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691
S-NiFe2O4@graphene/cellulose nanofibers/polyvinyl alcohol composite towards high-performance microwave absorption and flame retardancy
Published 2025-01-01“…Due to the imperfect magnetic/dielectric multi-component and structural adjustment, how to obtain materials with high electromagnetic wave absorption performance and integrated multifunctionality is quite challenging. …”
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692
Optical band gap modulation in functionalized chitosan biopolymer hybrids using absorption and derivative spectrum fitting methods: A spectroscopic analysis
Published 2025-01-01“…The refractive index and optical dielectric constant measurements show that the doped CS films have more charge carriers and traps than those in pure CS films. …”
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693
Surface crystal-orientation-dependent second-order nonlinear optical properties of cubic boron arsenide (c-BAs)
Published 2025-01-01“…The isotropic complex dielectric functions and the derived linear optical parameters have been obtained, such as complex refractive index and reflectivity. …”
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694
pH Sensitivity Estimation in Potentiometric Metal Oxide pH Sensors Using the Principle of Invariance
Published 2021-01-01“…The model distinguishes the performance of different MOX phases by the appropriate choice of surface hydroxyl site densities and dielectric constants, making it possible to estimate the performance of MOX electrodes fabricated through different high-temperature and low-temperature annealing methods. …”
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695
Study on the influence of working environment on the insulation of fuel cell
Published 2025-02-01“…The creepage distance and dielectric strength of fuel cell end plate and insulation plate under high relative humidity are analyzed, and the improvement measures are put forward. …”
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696
Design and Characterization of Line-Waves Waveguides for Microwave Applications
Published 2025-01-01“…This approach is used to design several waveguiding layouts and compare their transmission performance through full-wave simulations accounting for dielectric and ohmic losses. Finally, experimental results for some selected designs in the microwave regime are provided, and a thoughtful comparison between a line-wave waveguide and an equivalent microstrip transmission line is carried out to assess the suitability of these devices for efficient high-frequency waveguiding.…”
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697
Crystallite size and phase purity in Pb1-xSrxTiO3 ferroelectric perovskites for biomedical applications via controlled sintering
Published 2024-10-01“…Lead strontium titanate (Pb1-xSrx)TiO3 (PST) is a ferroelectric perovskite material with tunable properties, including Curie temperature, spontaneous polarization, and high dielectric permittivity, making it promising for advanced biomedical applications, such as biosensors, bioimaging, and light-activated therapeutics. …”
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698
Effects of Seed Processing with Cold Plasma on Growth and Biochemical Traits of <i>Stevia rebaudiana</i> Bertoni Under Different Cultivation Conditions: In Soil Versus Aeroponics
Published 2025-01-01“…This study compared the effects of seed treatment with low-pressure cold plasma (CP) and atmospheric dielectric barrier discharge (DBD) plasma on morpho-biochemical traits in <i>Stevia rabaudiana</i> Bertoni plants cultivated by two methods: in soil and aeroponics. …”
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699
Bioinspired materials for batteries: Structural design, challenges and future perspective
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700
Ultralow UV absorber content in 3D printed nanocomposites: maximizing printability and microwave absorption efficiency
Published 2025-01-01“…While electrically conductive nanocomposites comprising dielectric matrices and conductive fillers have shown promise, their 3D printability poses challenges particularly because of strong UV absorption by conductive fillers. …”
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