Results 11 to 20 of about 3,969 (258)
Catalysis Communications, 2023 Metal dispersion is key for designing highly active and well-defined catalytic systems. Herein, to shed light on the effects of Nb dispersion on the conversion of fructose into HMF, highly porous silica glasses grafted with niobium oxide were prepared ...
Maria J.F. Costa +5 more
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Nanoantenna Structure with Mid-Infrared Plasmonic Niobium-Doped Titanium Oxide
Micromachines, 2019 Among conductive oxide materials, niobium doped titanium dioxide has recently emerged as a stimulating and promising contestant for numerous applications.
Hai Dang Ngo +9 more
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Purification of Niobium by Electron Beam Melting
High Temperature Materials and Processes, 2016 Pure niobium metal, produced by alumino-thermic reduction of niobium oxide, contains various impurities which need to be reduced to acceptable levels to obtain aerospace grade purity. In the present work, an attempt has been made to refine niobium metals
Sankar M. +4 more
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Nb-doped Ti2O3 Films Deposited Through Grid-Assisted Magnetron Sputtering on Glass Substrate: Electrical and Optical Analysis [PDF]
Materials ResearchNiobium doped dititanium trioxide (Ti2O3:Nb) films were deposited on glass substrates, through grid-assisted magnetron sputtering. The Ti2O3:Nb films were characterized by X-ray diffraction (XRD), electrical conductivity and optical properties.
Joel Stryhalski +5 more
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Utilization of Sn/Nb2O5 composite for the removal of methylene blue
Química Nova, 2010 In this work, the oxidation of methylene blue textile dye in the presence of hydrogen peroxide, using niobium oxide impregnated with different proportions of tin (1, 5 and 10% in mass) as catalyst was studied. The materials were characterized by TPR, XPS,
Fabiane de Oliveira Cantão +4 more
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Journal of the Pakistan Medical AssociationObjective: To study the optical properties of nanocomposites as well as antibacterial activity. Method: The experimental study was conducted at the University of Babylon, College of Science and College of Education for Pure Sciences, Babylon, Iraq, from
Sroor Fadhil Obaid, Raheem Kadhim
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On Topological Analysis of Niobium (II) Oxide Network via Curve Fitting and Entropy Measures
Complexity, 2022 The remarkable optical features of metallic nanoparticles have extensively developed the interest of scientists and researchers. The generated heat overwhelms cancer tissue incident to nanoparticles with no damage to sound tissues.
Muhammad Kamran Siddiqui +5 more
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Niobium Oxide Nanostructures for Chemical Sensing
Procedia Engineering, 2014 Niobium oxide nanostructures were synthesized by hydrothermal method starting from niobium films deposited by RF magnetron sputtering on 2 × 2 mm2 alumina substrates. The samples were firstly treated with a KOH solution and with HNO3, and then annealed to obtain the Nb2O5 nanostructures.
BERTUNA, Angela +4 more
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Formation of niobium oxides by electrolysis from acidic aqueous solutions on glassy carbon
Macedonian Journal of Chemistry and Chemical Engineering, 2019 In this study niobium oxide films were formed without peroxo-precursors from three different mixed acidic aqueous solutions on glassy carbon. Linear sweep voltammetry and potential step were techniques used for electrochemical experiments.
Nataša M Vukićević +4 more
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Effect of niobium oxide on titanium aluminum alloy
Muthanna Journal of Engineering and TechnologyTitanium - Aluminum niobium oxide composite was fabricated by powder metallurgy technique. The effect of Nb2O5 ratio addition with (1, 1.5, 2, 2.5 wt %) on their mechanical, thermal, and microstructure were investigated.
Hayder Shanbara
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