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  1. 601

    A Three-Component Model Based on Macropropagation Phenomena Approach for Complex Building Scattering by Mehdi Ait-Ighil, Fernando Perez-Fontan, Joel Lemorton, Frederic Lacoste, Christophe Bourga, Michel Bousquet

    Published 2015-01-01
    “…This model is based on asymptotic methods, namely, PO (Physical Optics) which allows the 3CM to be frequency scalable, polarimetric, and dielectric materials oriented. Note that the proposed model and the retained approach can be integrated into more complex tools such as existing ray tracers. …”
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  2. 602

    Models of waveguides combining gradient and nonlinear optical layers by S. E. Savotchenko

    Published 2023-08-01
    “…It is shown that by combining different semiconductor crystals in a composite waveguide, it is possible to obtain a nonlinear optical layer on one side of the waveguide interface and a layer with a graded-index dielectric permittivity profile on the other.…”
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  3. 603

    ESTIMATION OF DECREASING LOSSES OF ACTIVE POWER IN TRANSFORMERS IN SETTING BATTERY OF LOW-VOLTAGE CAPACITORS by V. N. Radkevich, M. N. Tarasova

    Published 2014-10-01
    “…This paper describes an estimation method of decreasing losses of active power in power transformers with voltage 10(6)/0,4 kV after installation of devices of reactive power compensation on output side depending on voltage level, connected to capacity devices, taking into account dielectric loss in capacitors. Analysis of functional dependences was carried out. …”
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  4. 604

    Understanding the impact of plasma functionalized MWCNTs on the structure, physicochemical and mechanical properties of PEMA by Omar F. Farag, N. A. M. Eid, Essam M. Abdel‑Fattah

    Published 2025-02-01
    “…Optical studies showed a reduction in the bandgap energy as the f-MWCNTs content increased, accompanied by significant improvements in optical properties such as refractive index (n), extinction coefficient (k), dielectric constants (ε′ and ε″), and optical conductivity (σopt). …”
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  5. 605

    Near-infrared germanium PIN-photodiodes with >1A/W responsivity by Hanchen Liu, Toni P. Pasanen, Tsun Hang Fung, Joonas Isometsä, Antti Haarahiltunen, Steven Hesse, Lutz Werner, Ville Vähänissi, Hele Savin

    Published 2025-01-01
    “…The high performance is achieved by minimizing optical losses using surface nanostructures and electrical losses using both conformal atomic-layer-deposited aluminum oxide surface passivation and dielectric induced electric field -based carrier collection instead of conventional pn-junction. …”
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  6. 606

    Partial Discharge Characteristics of Polymer Nanocomposite Materials in Electrical Insulation: A Review of Sample Preparation Techniques, Analysis Methods, Potential Applications,... by Wan Akmal Izzati, Yanuar Z. Arief, Zuraimy Adzis, Mohd Shafanizam

    Published 2014-01-01
    “…For instance, nanofillers in nanocomposites such as silica (SiO2), alumina (Al2O3) and titania (TiO2) play a big role in providing a good approach to increasing the dielectric breakdown strength and partial discharge resistance of nanocomposites. …”
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  7. 607

    Performance Study of Ultraviolet AlGaN/GaN Light-Emitting Diodes Based on Superlattice Tunneling Junction by Zhuang Zhao, Yang Liu, Peixian Li, Xiaowei Zhou, Bo Yang, Yingru Xiang, Junchun Bai

    Published 2024-12-01
    “…We analyze in detail the effect of this polarized TJ on the carrier injection efficiency and investigate the increase in hole and electron density caused by the formation of 2D hole gas (2DHG) and 2D electron gas (2DEG) in the superlattice structure. In addition, a dielectric layer is introduced to evaluate the effect of stress changes on the tunneling probability and current spread in TJ. …”
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  8. 608

    Dual-band topological Bott insulators in Ammann–Beenker-tiling square photonic quasicrystals by Yingfang Zhang, Zhihao Lan, Weicheng Chen, Jianqing Li

    Published 2025-01-01
    “…In specific, we investigate the topological properties of photonic quasicrystals made of gyromagnetic dielectric cylinders arranged in a two-dimensional Ammann–Beenker tiling quasicrystalline lattice and find that this system supports dual-band chiral topological edge states, where the topological nature of both bandgaps is unambiguously confirmed by explicit calculations of the Bott index. …”
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  9. 609

    Optical properties of 2D GeTe under strain: A DFT study by O. Ruiz-Cigarrillo, G. Flores-Rangel, U. Zavala-Moran, J. Puebla, R. E. Balderas-Navarro, B. Mizaikoff

    Published 2025-01-01
    “…Using Density Functional Theory (DFT), we investigate the impact of uniaxial strain, ϵ, on its band structure and dielectric function (DF), ε̃. Tensile strain along the —zigzag direction induces a direct-to-indirect bandgap transition at ϵ = 2%, reducing the gap from 1.80 to 1.62 eV. …”
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  10. 610

    Design and development of hexagonal-shaped copper and liquid metamaterial-loaded superstrate patch antenna for 5G, WLAN, tracking and detection applications by Meshari Alsharari, Raj Agravat, Sunil Lavadiya, Ammar Armghan, Khaled Aliqab, Shobhit K. Patel

    Published 2025-01-01
    “…The novel T-shaped patch antenna with the superstrate approach is planned in the manuscript. The FR-4 dielectric material is used as a superstrate and substrate. …”
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    Article
  11. 611

    Binder-Free Hexagonal Boron Nitride Nanosheets (BNNSs) as Protective Coatings for Copper, Steel, and Wood: A Review by Muhammad Faheem Maqsood, Syed Muhammad Zain Mehdi, Arslan Ashraf, Umair Azhar, Naseem Abbas, Muhammad Asim Raza, Mohammed Amer

    Published 2025-01-01
    “…Hexagonal boron nitride (h-BN) has emerged as a promising dielectric material for protecting metallic substrates such as copper and steel under ambient conditions. …”
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    Article
  12. 612

    Design of Microwave Antenna Array for Imaging of Multiphase Flows in Polypropylene Pipes by Khaldoun Alkhalifeh, Hatem Rmili, Bandar Hakim, Nebras Sobahi, Youssef AL-Turki

    Published 2021-01-01
    “…First, the pipeline containing crude oil was modeled and its thermal and dielectric properties are proposed. Then, the antennas array performances were optimized and assembled to the pipeline. …”
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  13. 613

    Bandwidth Enhancement of a Dual Band Planar Monopole Antenna Using Meandered Microstrip Feeding by M. R. Ahsan, M. T. Islam, M. Habib Ullah, N. Misran

    Published 2014-01-01
    “…A meandered-microstrip fed circular shaped monopole antenna loaded with vertical slots on a high dielectric material substrate (εr=15) is proposed in this paper. …”
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  14. 614

    Density functional theory study of Chlorine, Fluorine, Nitrogen, and Sulfur doped rutile TiO2 for photocatalytic application by Fikadu Takele Geldasa, Francis Birhanu Dejene, Mesfin Abayneh Kebede, Fekadu Gashaw Hone, Edosa Tasisa Jira

    Published 2025-01-01
    “…The absorption edges in C, N, and S-doped TiO2 are displaced toward the visible area, as indicated by the imaginary component of the dielectric function peaks. The appropriateness of C, N, and S-doped TiO2 for photocatalysis applications is demonstrated by the shift in the absorption coefficient to the highest wavelength. …”
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    Article
  15. 615

    Enhanced thermal dissipation for BCB-bonded 3D integrated membrane photonic circuits by Salim Abdi, Kevin Williams, Yuqing Jiao

    Published 2025-01-01
    “…Active devices such as amplifiers have a high topography that requires a thick dielectric layer for planarization and wafer bonding, which poses challenges in thermal dissipation. …”
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  16. 616

    Analysis of thermal effects according to channel and drain contact metal distance by Do Gyun An, Un Hyun Lim, Young Suh Song, Hyunwoo Kim, Jang Hyun Kim

    Published 2025-01-01
    “…Unlike conventional planar metal-oxide-semiconductor field-effect transistors (MOSFET), multi-gate devices such as fin field-effect transistors (FinFET) suffer from serious electrical performance issues due to the self-heating effect (SHE) because the channel is surrounded by the gate dielectric. To address this issue, in this study, we analyzed the effect of the gap between the channel-drain junction and the drain metal on the SHE mitigation using 3D TCAD simulations of 14 nm node FinFET. …”
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  17. 617

    He-Plasma Jet Generation and Its Application for E. coli Sterilization by Tiejian Liu, Yuxuan Zeng, Xin Xue, Yinyi Sui, Yingying Liang, Fushan Wang, Fada Feng

    Published 2021-01-01
    “…In this work, a helium-APPJ was generated by double dielectric barrier discharge and applied to the sterilization of model microorganism in air and water. …”
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    Article
  18. 618

    Plasmon-enhanced visible photodetectors based on hexagonal boron nitride (hBN) with gold (Au), silver (Ag), and non-alloyed bimetallic (Au/Ag) nanoparticles by Muhammad Nur Syafiq Mohamad Ismail, Muhammad Aiman Saufi Ahmad Fahri, Chee Leong Tan, Rozalina Zakaria

    Published 2025-01-01
    “…Abstract Two-dimensional (2D) hexagonal boron nitride (hBN) has garnered significant attention due to its exceptional thermal and chemical stability, excellent dielectric properties, and unique optical characteristics, making it widely used in deep ultraviolet (DUV) applications. …”
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  19. 619

    Ka-Band Slot-Microstrip-Covered and Waveguide-Cavity-Backed Monopulse Antenna Array by Li-Ming Si, Yong Liu, Yongjun Huang, Weiren Zhu

    Published 2014-01-01
    “…The 2×32 slot-microstrip elements are formed by a metal clad dielectric substrate and slots etched in the metal using the standard printed circuit board (PCB) process with dimensions of 230 mm  ×  10 mm. …”
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  20. 620

    Preparation and Study Annealing Effect on Structure and Optical Properties of ZnIn2(Se0.8Te0.2)4 Thin Film by Bushra H. Hussein, Husham Kamil Mahmood

    Published 2025-01-01
    “…The calculated optical constant includes the refractive index. extinction coefficient. real and imaginary components of dielectric constant. …”
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