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246 articles for “SEM characterisation”
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Nondairy desserts: Potential ingredients for the development of innovative formulations
Abstract: With a growing demand for lactose-free foods, the food industry faces a challenge in identifying new food ingredients to replace equivalent chemical constituents of milk, achieve similar rheological properties, and preserve texture stability and sensory properties in milk-free food preparations. This study aimed to systematize data on potential innovative ingredients for the production of nondairy desserts, with a focus on different types of texturizing agents. Cactus mucilages, cereal and legume …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 11, Issue 3, 2022 · pp. 1–9 Read article
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Modeling and Simulation of Pentacene based Organic Thin Film Transistors with Organic Gate Dielectrics
Abstract: AbstractTwo structures of pentacene organic thin film transistors (OTFT) with organic dielectrics, polymethyl methacrylate (PMMA) and polyvinyl alcohol (PVA) have been numerically simulated with TCAD ATLAS tool. Output and transfer characteristics were simulated and mobility, threshold voltage, sub threshold swing (SS) and current on/off ratio that play a part in the increment of conductivity of device were extracted. The authors show that the semiconductor-insulator interface actively affects the performance of …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 3, 2017 · pp. 13–18 Read article
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Advancements in Engine Oil Durability, Performance, and Diagnostics
Abstract: The depletion of fossil fuels and environmental concerns have driven the search for alternative fuels and enhanced lubricants. This article explores advancements in machine oil durability, focusing on vegetable oil modifications, synthetic lubricants, and diagnostic methods for marine engine oils. A study comparing Karanja oil blends with mineral diesel in direct injection compression ignition engines revealed comparable wear characteristics and reduced metallic debris for Karanja oil-fueled engines. Investigations on synthetic …
Published in Journal of Petroleum Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 39–45 Read article
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Sustainable High-Strength Geopolymer Composite Reinforced with Nano-Silica and Basalt Fibers: Mechanical and Microstructural Evaluation
Abstract: Sustainable soil composites (SSC) were formulated by incorporating red earth with varying proportions of bagasse ash (BA) and hydrated lime to enhance geotechnical performance and promote the reuse of agro-industrial waste. Red earth served as the primary structural matrix, BA functioned as a pozzolanic filler, and lime acted as a chemical stabilizer. BA content ranged from 0% to 60%, identifying 10% as the optimum level for significant improvement, and lime …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1113–1122 Read article
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Influences of Surface Modification of Vetiver Fiber Reinforced Polypropylene Composites
Abstract: Plant-drive vetiver fiber (VF), a significant lignocellulosic fiber, can be included in polymers like polypropylene (PP) in dissimilar ways for attaining preferred features and structure. But its high levels of moisture absorption, poor wettability and inadequate adherence between the fiber and polymer matrix result in debonding with age. To develop the overhead attributes,adequate surface modifications are essential. In our current work, the VF surface was modified by mercerized treatment (MVF), …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 2, 2023 · pp. 30–44 Read article
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Study of pH Behaviour of Slurry on Surface Morphology of Copper Material with Single Pole Magnetic Abrasive Finishing Process
Abstract: The chemical oxidizers—sodium hydroxide, Marshall’s acid salt, and hydrogen peroxide—were effectively employed in the wet polishing of copper using the SPMAF experimental setup. The manuscript explores preparation of slurry used for polishing copper material using single pole magnetic abrasive finishing (SPMAF) framework. The slurry contains distilled water, 1200-grit aluminum oxide abrasives, sodium hydroxide (NaOH), potassium persulfate (K₂S₂O₈), and hydrogen peroxide (H₂O₂), combined in precise amount. Specifically, 100 ml of distilled …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1887–1896 Read article
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Analysis of Six-Pulse Bridge Circuits Including Zener and Semiconductor Diodes – Part Two
Abstract: The present study offers a generic method for simulating and modelling six-pulse rectifier bridge circuits in the time domain. These circuits can include Zener and/or semi-conductor type diodes or even a mixture of them. The governing system of simultaneous algebraic and differential equations are listed and solved numerically using a computer code written in Mathematica. The flexibly written program can handle voltage sources of any time waveform, frequency or internal …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 2, 2022 · pp. 13–21 Read article
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Simulation Studies on the Drain Characteristics of Microelectronic AlGaN/GaN HEMTs Corresponding to the 30 nm of AlGaN Nano-Layer
Abstract: AbstractIn this work, the simulation studies are performed on high electron mobility transistor (HEMT) structures using the SILVACO-ATLAS software tool. The drain characteristics of HEMT structures is investigated with respect to the Aluminium mole fraction, drain voltage, gate voltage, and gate length at 30 nm thickness of AlGaN nano-layer. The simulation studies on the effect of gate length to control the drain characteristics are a novelty of this work. The …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 1, 2017 · pp. 8–16 Read article
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Biosynthesis, Characterization and Antibacterial Studies of Silver Nanoparticles from Tamil Nadu Major Crop Anacardium occidentale
Abstract: Recent studies have shown that Silver Nanoparticles have physical, optical and catalytic properties. Present work involves the eco-friendly and reproducible synthesis of Silver Nanoparticles from the Anacardium occidentale leaves extract. The synthesized silver Nanoparticle from 1 mM AgNO3 solution through the leaf extract were characterizing was monitored using Ultraviolet-visible (UV-vis) spectrophotometer, Scanning electron microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), X-ray powder diffraction (XRD) and Fourier transform infra-red spectroscopy (FT-IR).Scanning …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 3, 2018 · pp. 13–22 Read article
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Mechanical & Tribological Characterization of Al2024-Alumina-Graphite Reinforced Monolithic and Hybrid Composites
Abstract: This work investigates the mechanical characteristics of Al2024-Al2O3-Graphite reinforced monolithic and hybrid composites fabricated by the stir casting method. Exploratory work involved the fabrication of monolithic composites with varying Al2O3 contents (5-8 wt%) and hybrid composites with the ratios of Al2O3 (2-6 wt%) and Graphite (1-3 wt%) in matrix Al2024. For improving their dispersion, preheated reinforcement particles were introduced in matrix alloy at controlled stirring rates. A homogeneous particle distribution …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 823–836 Read article
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DC Power Flow Analysis as a Tool for the Study and Design of Multi-Terminal Electrical Grids
Abstract: The development and deployment of high voltage power electronic apparatus for the support and functioning of optimal operation and management of electrical grid networks is dependent on the progress of high power capacity semiconductor technology that has seen a rising trend over the past few years. These grids have certain different characteristics such as full or partial deregulation of their networks. These characteristics have advanced their application in many HVDC …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 3, 2014 · pp. 1–11 Read article
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Gamma Irradiation Effects on Structural and Optical Properties of PVA/Al₂O₃/TiC Polymer Nanocomposites for Optoelectronic Applications
Abstract: PVA/TiC/Al2O3 nanocomposite (PTA) films were successfully prepared via the solution casting method. The impact of high-dose gamma (γ) irradiation (30 kGy) on the structural and optical properties of PVA/TiC/Al2O3 nanocomposites was systematically explored using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and UV–Visible spectroscopy. XRD analysis confirmed the semi-crystalline nature of the nanocomposites, which was found to decrease upon incorporation of Al₂O₃ nanoparticles and exposure to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 717–729 Read article
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Carbon-based Quantum Dots: Synthesis, Properties, and Biomedical Applications
Abstract: *Author for CorrespondenceKarishma DubeyE-mail: karishmadubey6@gmail.com Student, Department of Biotechnology, Mahatma Gandhi Kashi Vidyapith University, Varanasi, Uttar Pradesh, India Received Date: September 10, 2022Accepted Date: September 22, 2022Published Date: September 30, 2022 Citation: Karishma Dubey. Carbon-based Quantum Dots: Synthesis, Properties, and Biomedical Applications. Research & Reviews: Journal of Physics. 2022; 11(2): 6–8p.Due to their superior and distinctive characteristics, carbon-based quantum dots (CQDs), a newly discovered class of carbon nanomaterials, have caught …
Published in Research & Reviews : Journal of Physics · Vol. 11, Issue 2, 2022 · pp. 6–8 Read article
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Photonic Polymer Composites for Light-Modulating Displays and High-Throughput Optical Data Transmission
Abstract: The combination of PMMA-based composites recently received substantial attention from the photonic applications field since these materials combine excellent optical transparency, mechanical flexibility and straightforward fabrication capabilities. The material performance of pure PMMA requires functional additives because it shows limited thermal properties and optical attenuation in addition to sensitivity against UV rays. The research explores developmental pathways for PMMA composites through combined use of nanoparticles and electro-optic polymers with dopants …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 838–860 Read article
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Photoluminescent Reduced Graphene Oxide (rGO)–ZnO Nanocomposites Prepared Through one-pot Solvothermal Route
Abstract: In the present article, we report solvothermal synthesis of reduced graphene oxide (rGO)–ZnO nanocomposites through in situ exfoliations of graphite oxide with two different zinc-containing precursors viz. Zinc acetate dihydrate and zinc(II) acetylacetonate in water-diethylene glycol medium with hexamethylenetetramine as a reducing agent. The obtained rGO–ZnO nanocomposites were characterized by X-ray diffraction, and the ZnO lattice parameters were calculated. Raman spectroscopy indicated the presence of characteristic bands of graphene and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 70–80 Read article
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Novel Characteristics of GaN based Nanoelectronic Double-Heterojunction HEMTs to Establish a Solid-State-Electronics Laboratory
Abstract: The drain characteristics are investigated with respect to electrical variables (drain voltage, gate voltage) and structural parameters of high electron mobility transistors (HEMTs). Total 10526 individual simulation-outputs are reported in this work. The maximum drain current of 553 mA is achieved by the simulated structures of double-heterojunction HEMTs using the SILVACO-ATLAS software tool. The drain current is higher at shorter gate length. The drain current is higher at larger aluminium …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 3, 2017 · pp. 11–20 Read article
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Experimental Analysis of Heat Transfer
Abstract: Experimental heat transfer and pressure drop characteristics of Al2O3/water nanofluid in a circular tube with meshes and without meshes is reported in this paper. The SEM image of Al2O3 nanoparticles in base fluid showed that the particles are uniformly dispersed in base fluid and tiny agglomeration of nanoparticles are present. The experiments were conducted under turbulent conditions with varying flow rates. It is observed the heat transfer rates increased by …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 16, Issue 1, 2014 Read article
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Preparation, Characterization and Electrical Conductivity of Chitosan-C 30B/MWCNT Nanocomposite Films
Abstract: In this research programme organoclay clay Cloisite 30B (C 30B) and Multi walled carbon nanotubes (MWCNTs) were successfully blended with the biopolymer Chitosan (CS). The polymer nanocomposites were characterised by various techniques like Fourier Transmission Infrared spectroscopy (FTIR), X-ray Diffraction (XRD) and Scanning Electron Microscope (SEM). From the results it was found that intercalation or nearly exfoliation has been occurred between the polymer and the clay. Electrical conductivity was also …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 3, 2016 · pp. 1–4 Read article
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Effect of Process Variables on the Mechanical Characteristics of form Fabricated Materials
Abstract: Additive manufacturing prominent rapidly advancing technologies for producing 3D-printed products. Initially developed by stratasys, FDM technology emerged during the 1980s. This additive manufacturing technique builds products by extruding semi-molten material through a nozzle onto a platform. PLA and ABS are among numerous thermoplastics that are commonly used as filaments in this procedure. Purpose of research was to observe the effect of variables such as infill percentage, bed temperature, printing speed …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 2, 2025 · pp. 32–39 Read article
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In-Situ Polymerized GO/PANI Composites: Structural Evolution, Optical Modulation, and NH₃ Sensing at Room Temperature
Abstract: Graphene oxide (GO)/polyaniline (PANI) composites with varying PANI contents (20, 40, and 60 wt%) were synthesized via in-situ oxidative polymerization and systematically investigated for their structural, morphological, optical, and gas-sensing properties. X-ray diffraction (XRD) confirmed a progressive increase in interlayer spacing and partial exfoliation of GO layers with increasing PANI content, indicating intercalation-assisted hybridization. Fourier transform infrared (FTIR) spectroscopy revealed the characteristic vibrational bands of both constituents and confirmed strong …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 509–525 Read article