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Журнал нано- та електронної фізики
Scopus
ISSN 2077-6772 · Sumy State University · 1.545 artikel di indeks
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Artikel Jurnal
A Dual-Band F-Slotted Circular Patch Antenna for S-Band and C-Band Wireless Applications
Due to the low-profile and multiband properties circular patch antennas (CPA’s) have become more popular. The proposed F-slotted CPA enhances performance attributes including bandwidth, gain, and miniaturization by using an F-shaped slot in the patch and a partial ground plane. An inset feed is…
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Artikel Jurnal
Design and Analysis of Poly-Cotton Substrate-based Textile Antenna for mm-Wave 5G, and WBAN Applications
This paper presents the design, fabrication, and comprehensive experimental evaluation of a compact textile antenna intended for mm-Wave 5G and wireless body area network (WBAN) applications. The antenna is realized on a flexible poly-cotton textile substrate with compact dimensions of 20 x 25 x…
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Artikel Jurnal
Scoop Shaped Patch and Rectangle Defected Ground Antenna for Sub-6 GHz mid Band 5G Communication
This work describes the construction of a microstrip line patch antenna having rectangular defective ground structure (DGS) to use in 5G mobile communications applications. This de-sign is used to operate at 3.3 GHz, 4.4 GHz, and 5.3 GHz, three different frequency bands. The antenna design…
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Artikel Jurnal
Analysis of An Elliptical Patch Antenna For C-band Satellite Communication Applications
Research on radio frequency (RF) elliptical patch antennas is progressing in the realm of satellite communication applications due to the growing need for smart adaptive RF microstrip antennas. An ellip-tical patch antenna (EPA) with rhombus shaped monopole as partial ground plane intended for…
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Artikel Jurnal
Plasmonic Coupling in Silver Nanoparticle Dimers: 3D-FDTD Simulation Study of Distance-Dependent Optical Response
Silver nanoparticle dimers show strong distance-dependent plasmonic coupling because localized surface plasmon resonances mix together. This makes them good candidates for optical and sensing applications at the nanoscale. Although experimental and numerical studies have previously examined…
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Artikel Jurnal
Frequency-Selective Surface (FSS) Exhibiting High Angular Stability and Polarization-Insensitive Characteristics for Wideband Applications
A wideband polarization-insensitive, and angularly stable frequency selective surface (FSS) is proposed in this work. The designed unit cell consists of two octagonal rings connected to each other with splits along their sides. The structure is designed on a low-loss FR-4 dielectric substrate with…
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Artikel Jurnal
Compact Circular Petal Fractal Antenna with Defected Ground Plane Structure for Sub-6 GHz 5G and X-Band Radar Applications
This paper presents the design, fabrication and experimental evaluation of a fractal-structured design to target dual-band operation for Sub-6 GHz 5G and X-radar frequency bands. The suggested prototype is fabricated on a FR-4 substrate with a defective partial ground structure (DPGS). Commercial…
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Artikel Jurnal
Design of Analysis of a T-Shaped mmWave Antenna on 47 GHz in 6G Application
This research presents a small T-shaped microstrip antenna that works at millimeter-wave frequencies. It is meant for future 6G wireless communication networks. The antenna is made to pick up signals around 47 GHz and 75 GHz, and these are good frequencies for high-speed limited-range connectivity…
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Artikel Jurnal
Compact Flower-Shaped Dual-Band Patch Antenna with Rectangular DGS for WLAN/WiMAX Applications
This paper presents a compact dual-band microstrip patch antenna with a flower-shaped radiator and rectangular defected ground structure (DGS) for enhanced gain and bandwidth in wireless applications. Resonating at 2.46 GHz and 3.04 GHz, it targets WLAN (2.4-2.48 GHz), WiMAX (2.95-3.10 GHz), Sub-6…
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Artikel Jurnal
Optimization of Various Physical Properties of a CsPbI3 – XBrX (X = 0, 1)-Based Perovskite Solar Cell
Perovskite solar cells are the most promising alternative sources of clean energy. In this re-search work, a regular Cs-based halide (CsPbI3) and mixed halide (CsPbI2Br) PSC were developed to study the thickness, device temperature, and material defect density using the SCAPS-1D simulator under an…
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Artikel Jurnal
Design and Optimization of a Plant-Structured MIMO Antenna for Advanced Wireless Wi-Fi 6E Systems
This study introduces a compact plant-structured MIMO antenna developed for modern wireless applications, including Wi-Fi 6E and IoT Systems. The design structure is implemented on substrate of FR-4 with a small footprint as 45 mm 20 mm, which makes it well suited for miniaturized wireless devices…
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Artikel Jurnal
A Compact T-Shaped Circular Patch Antenna For C-Band Applications
A novel dual-band T-shaped circular patch antenna (CPA) for C-band applications is designed and analysed in this article. This antenna can function in two different resonating frequencies, making the antenna appropriate for C-band wireless applications. A microstrip transmission line having an…
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Artikel Jurnal
Design of a Unique Band-Pass Frequency Selective Surface for RADAR Application
This study introduces the design and full-wave simulation of a band-pass frequency selective surface (BPFSS) optimized for indoor Internet of Things (IoT) networks and radar-based sensing applications. To achieve improved frequency selectivity and higher operational efficiency, the proposed FSS…
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Artikel Jurnal
Nanomodified Polymer Composite Bandage Systems for Repair of Oil and Gas Pipeline Systems
The reliability of pipelines in the gas and oil transportation complex is largely determined by corrosion damage and mechanical defects on the external and internal surfaces. The purpose of this study is to develop nanomodified epoxy composite bandage systems with improved thermophysical…
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Artikel Jurnal
Development of a Gigahertz-Range Microstrip Sensor for Monitoring the Doping of Semiconductor Structures
The work presents the concept of a microstrip resonant sensor designed for non-destructive monitoring of dopant concentration in semiconductor structures. The sensor architecture is based on two coupled microstrip lines with a localized electric field in a narrow slot, which ensures high…
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Artikel Jurnal
Modern CAD Tools for Single-Electron Nanodevices
This paper presents an analysis of the results obtained in the computer-aided design of nanodevices based on quantum-dot cellular automata using modern single-electronics CAD tools such as QCADesigner, QCADesigner-E, and QCADesigner-FS. Using a nanomultiplexer circuit as a case study, functional…
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Artikel Jurnal
Ellipsometric Characterization of SiO2/Au/Cr Nanostructures for Stable SPR Sensors
In this research, the optical characteristics of a multilayer nanostructure SiO2(5 nm)/Au(50 nm)/Cr(5 nm)/glass, designed for stable surface plasmon resonance (SPR) sensors, were investigated. Multi-angle spectroscopic ellipsometry was employed at angles of 50°, 60°, and 70° to precisely analyze…
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Artikel Jurnal
Effect of Bi Doping on the Optical and Structural Properties of ZnO Thin Films: Role of Urbach Energy and Mechanical Stress
The effect of Bi dopant concentration on the optical and structural properties of ZnO thin films synthesized by radio-frequency magnetron sputtering was investigated, with particular emphasis on Urbach energy and internal mechanical stress. An increase in Bi concentration in ZnO films was found to…
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Artikel Jurnal
Simulation of Wave Propagation in a Kerr-Type Nonlinear Metamaterial Cylindrical Wave-Guide by Auxiliary Differential Equation Finite Difference Time Domain Method
Propagation of electromagnetic waves and mode formation in a cylindrical waveguide with double negative metamaterial core having Kerr type nonlinearity is investigated in this study using auxiliary differential equation finite difference time domain method. Propagation in one-dimensional…
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Artikel Jurnal
The Influence of the Structure and Properties of the Transition Zone Between the Matrix and Filler on the Destruction of Composite Coatings During Friction
A study was conducted on the wear processes of nickel-based composite electrolytic coatings (CEC) under friction conditions without lubrication, taking into account changes in mechanical properties in the transition zone, the effect of diffusion chromium plating, and the dispersibility of the TiC…
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