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1792 articles for “Zein/PVA/nano-TiO2”
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Performance of Ni3Al and TiO2 Coatings on T91 Boiler Tube Steel in Simulated Boiler Environment at 900°C
Abstract: Boiler steel tube corrosion in coal fired boiler is main subject during design and operation of thermal power plant and it leads to both direct and indirect loss of cost and energy, including losses due to plant shut down time and inefficiency of operation. One of the feasible solutions to solve out this problem is providing surface coating on boiler steel tube, which on one hand protects the tube from …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 2, 2016 · pp. 27–34 Read article
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Study of Wear Behaviour of GFRP Composites filled with Nanofiller using Taguchi Technique
Abstract: AbstractThe GFRP laminates are fabricated by hand lay-up process followed by vacuum bag curing and post cured in a heating oven. The laminates are fabricated with addition of 1%, 1.5% and 2.0% graphene filler and prepared laminates are cut into ASTM standards by using water jet cutting. The density and volume fraction of the void fabricated composite is determined. The three-body abrasive wear test is carried out on abrasion tester …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 33–38 Read article
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Histopathological Effects of Silver Nanoparticles on Gills and Liver of Freshwater Fingerlings Catla catla (Ham.)
Abstract: Fish is the best biomarker to identify the adverse effect on surroundings. Here, the fingerlings of major carp (Catla catla) were used as a model in the present work to investigate the toxicity caused by silver nanoparticles (AgNPs). The fish exposed to different concentrations of 10 μg/L and 30 μg/L AgNPs for 15 days were sampled at days 5, 10 and 15 for histology. This exposure caused organ injuries, and …
Published in Research and Reviews: A Journal of Toxicology · Vol. 6, Issue 1, 2016 · pp. 18–27 Read article
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Effect of Disorder in Nanocrystalline La0.5Pr0.2Ca1–xBaxMnO3 Manganites
Abstract: Nanocrystalline samples of La0.5Pr0.2Ca0.3–xBaxMnO3 (LPCBMO) (x = 0.05, 0.10, 0.15, 0.20, 0.25 and 0.30) manganites were successfully synthesized by employing prolonged grinding process in conventional solid-state reaction route. The obtained value of crystallite size (CS) varies from 76 nm in lower doped sample (x = 0.05) to 13 nm in the sample doped with Ba2+ (x) = 0.05. The variation in CS with x has been discussed in the context …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 16, Issue 1, 2014 Read article
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Synthesis of Nanocrystalline Bismuth Ferrite by Solution Combustion Synthesis Method
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The present paper describes a simple method of nanosized BiFeO3 by the solution combustion synthesis using bismuth and iron nitrates as oxidizers and the combination fuel of citric acid and ammonium nitrate, with fuel to oxidizer ratio (Ψ = 1) one. The average crystallite size of BiFeO3 nanoparticles was estimated from the full width half maximum of the X-ray diffraction peaks of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 2, 2011 · pp. 52–58 Read article
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Solution Combustion Synthesis of Nanocrystalline and High-K Dielectric Lanthanum Oxide
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 The present paper describes a simple and eco-friendly chemical method of lanthanum oxide or lanthania (La2O3) nanoparticles by the solution combustion synthesis based on urea. The fuel urea is varied for different fuel to oxidizer ratios (F/O) or Ψ = 0.5 to 1.5 in the steps of 0.25. The average crystallite size of La2O3 nanoparticles was estimated from the full width …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 3, 2011 · pp. 1–7 Read article
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Voltage-controlled TCR (Temperature Sensitivity) in Nanostructured Y0.95Ca0.05MnO3/Si, p-n Junction Diode
Abstract: The authors deposited a p-type Y0.95Ca0.05MnO3 on the n-type Si substrate using chemical solution deposition and form nanostructured Y0.95Ca0.05MnO3/n-Si, p-n junction diode with typical thickness of about 100 nm with polycrystalline in nature. The diode exhibits rectifying properties over the temperature range of 100–300 K. Voltage-dependent temperature sensitivity of Y0.95Ca0.05MnO3/n-Si, p-n junction diode has been studied in current perpendicular to film plane (CPP) geometry. The maximum percentage of TCR values …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 1, 2014 · pp. 29–32 Read article
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Storage Modulus and Glass Transition Temperature of MWNT/PMMA Polymer Nanocomposite Films with Different wt% of MWNT
Abstract: This paper presents the study of behavior of storage modulus and glass transition temperature of MWNT/PMMA polymer nanocomposites prepared by solution casting method, with different (0, 0.1, 0.2, 0.3, 0.5, 1, 5, 10) wt% of MWNT in the PMMA matrix. Dynamic mechanical analysis has been done in tension mode. Storage modulus increases with CNT loading in matrix except for 0.1, 0.2 wt% CNT samples, for 0.5 wt% sample onwards to …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 2, 2014 · pp. 28–33 Read article
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Developing Molybdenum Doped Zinc Oxide Nanoparticles’ Sensors for Quality Assessment of Black Tea
Abstract: Zinc oxide is a well-established sensor material for detection of various organic molecules. In a quest of developing a sensor array for quality assessment of black tea, developing pure and molybdenum doped nanocrystalline ZnO-based sensors. The effect of changing the sintering duration and time has been studied. FESEM, EDS and XRD characterisations confirmed the formation of wurzite nanocrystals of approximately 20 nm. The 2% molybdenum doped ZnO (calcined at 500 …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 3, 2014 · pp. 32–38 Read article
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Effect of Aluminium nitride Nucleation-layer on the Drain Characteristics of Nanoelectronic AlGaN/GaN Single-Heterojunction HEMTs
Abstract: The simulation studies on the effect of aluminium nitride (AlN) nucleation layer in nanoelectronic single-heterojunction AlGaN/GaN high electron mobility transistors (HEMTs) is the novelty of this work. The variations in drain current with drain voltage are studied corresponding to different gate voltages. Also, the variations in drain current with gate voltage are studied corresponding to any considered drain voltage. This simulation work may be an useful prediction for the fabrication …
Published in Journal of Nuclear Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 1–3 Read article
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Effect of Doping and Crystal Orientation on Channel Current for Multigate Si Nanowire FET
Abstract: This manuscript investigates the effects on channel current by varying gate orientation as well as channel doping concentration for Si nanowire FET. Both gate and drain voltage biasing are considered here for showing variations in channel current. After analyzing simulation results for silicon 100 and 110 crystal orientation it has been found that gate all around and top gate only show significant increment in channel current on different occasions over …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 2, 2017 · pp. 20–29 Read article
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Theoretical Studies of Single Wall Carbon Nanotubes for Synthesis and Growth Mechanism
Abstract: The term ‘controlled production’ of single-wall nanotubes SWNT implies the ability to control the selectivity towards SWNT by changing catalyst formulations and operating conditions, combined with a quantitative measurement of the SWNT obtained. In this contribution, a significant advancement towards the controlled production of SWNT is reported. A family of Fe-Ru catalysts has been found to be able to produce SWNT with high selectivity, depending on the -Ru ratio, the …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 75–85 Read article
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Comparative study of models for II-VI group semiconductor nanomaterials using DMR
Abstract: In this study, we will compare the study done by different researchers on the semiconductor II-VI group material by using different models including DMR (Diffusivity-Mobility Ratio). We will check out the DMR and other model parameters used to compare the performance of semiconductor II-VI group material. The basic formulation and the study of these models will help us to understand the basic properties of the nanomaterials studied so far.Keywords: DMR, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 3, 2018 · pp. 1–7 Read article
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Synthesis and Characterization of CeO2-ZrO2 Nanocomposites
Abstract: CeO2-ZrO2 nanocomposites were prepared by hydrothermal method and characterized by using XRD (X-ray diffractometer) to study the structural analysis of the prepared nanocomposites. The as-prepared samples were further annealed at 150º C and 300º C. From the structural studies crystal size and lattice parameter was calculated. FTIR analysis confirms the results of vibrational spectra and XPS, EDAX analysis confirms the elements presents in the composites. Effect of annealing in frequency …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 3, 2018 · pp. 21–32 Read article
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Polymer nano composites For Water Pollution Applications
Abstract: Insertion metal particles of nano size in to polymer matrices resulted scientific technical interest. Lot of research work is going on this areas. In the present studies the authors discus various factors effecting the polymer metal nano composites. An attempt has also been made on the work done by the authors. The composites are useful in removal heavy metal ions present in the water.
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 3, 2018 · pp. 7–9 Read article
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Study of Elastic Properties of Copper Substituted Nickel – Zinc Nano Ferrites Through IR-Spectroscopy
Abstract: Nano crystalline Ni 0.65 Zn 0.35 Cu x Fe (2-2x/3) O 4, (x ranging from 0 – 0.05 in steps of 0.01) ferrites synthesized via hydrothermal route are characterized by FTIR spectroscopy. IR spectra of prepared ferrites demonstrated the two fingerprint absorption bands of spinels in the range of 400-600 cm-1. Lattice constant, X-ray density values obtained from XRD patterns used for evaluating the tetrahedral site and octahedral site force …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 25, Issue 2, 2023 · pp. 1–12 Read article
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Green synthesis of zinc oxide and copper oxide nanoparticles and their effect against wilt fungus, Fusarium udum.
Abstract: Nowadays nanoparticles (NPs) come out as powerful tools to enhance crop production and protection. Biosynthesis of NPs has a vital role and an alternate to chemical and physical methods because it is simple, easy, eco-friendly, and free from chemical hazards. Zinc oxide (ZnO) and copper oxide (CuO) NPs were synthesized from leaves extract of Lantana camara (L.) and Nerium oleander (L.) and characterized by using several techniques such as transmission …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 13, Issue 3, 2023 · pp. 1–5 Read article
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Fabrication and Parametric Analysis of Thermal Sensing Dielectric PZT Thick Film Nano Ceramic Device Developed by SOL GEL Technique
Abstract: AbstractExtensive investigation carried out during earlier half of twentieth century, prominently established that the ionic radius of an atom gets reduced to significant levels with decrease in coordination number. The findings of Goldsmith and Pauling showed that ionic radii contracts by 4, 6 and 12% when coordination number is reduced from 12 to 8, 6 and 4 respectively. It is obvious that coordination number reduction takes place at the surface …
Published in Research & Reviews : Journal of Physics · Vol. 4, Issue 1, 2015 · pp. 31–37 Read article
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Study of Size Controllable Synthesis of Indium Tin Oxide Nanoparticles and Their Different Characterizations
Abstract: Nanocrystalline indium oxide powders were prepared by combustion synthesis. The changes of nanostructure caused by material processing were studied using X-ray powder diffraction (XRD), transmission electron microscopy (TEM), selected area electron diffraction (SAED) and Brummer Emette teller analysis (BET). The stoichiometric composition of the starting indium tin oxide powder (cubic in traces) induced phase transitions to high temperature. We found that the phase transition to ITO was initiated at the …
Published in Research & Reviews : Journal of Physics · Vol. 1, Issue 2, 2012 · pp. 9–18 Read article
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Synthesis and Characterization of NiFe2O4 Nanoparticles and Environmental Remediation
Abstract: In the present study, nickel ferrite nanoparticles (NFNPs) doped with copper was synthesized by chemical co-precipitation method (CBD) and characterized for phase composition and magnetic properties by x-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The results confirmed the formation of Ni0.5Cu0.5Fe2O4 with the average crystallite size (D) 15.45 nm and 18.14 nm and saturation magnetization (Ms) were observed as 16.16 Gauss and 22.58 Gauss at 300˚C and 500˚C temperature …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 2, 2019 · pp. 108–111 Read article