Clays enhanced with niobium: potential in wastewater treatment and reuse as pigment with antibacterial activity [PDF]
Beilstein Journal of NanotechnologyBentonite clay sourced from the Guarapuava region, Brazil, was modified with niobium oxide (BEOx) and niobium phosphate (BEPh) to act as an adsorbent and photocatalyst in the remediation of wastewater containing methylene blue (MB) dye.
Silvia Jaerger +6 more
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Effect of magnesium reduction on the oxygen content of pickling niobium powder
Scientific Reports, 2021 Considering the problem of high oxygen content in industrial niobium powder, the oxygen reduction of high oxygen niobium powder with the addition of magnesium is studied.
Jingfeng Wang +3 more
doaj +1 more source
Occurrence of niobium in biotite-type Fe-REE-Nb ore in the Bayan Obo deposit
Solid Earth Sciences, 2023 The Bayan Obo REE-Nb-Fe deposit, which reserves the current largest REE resources globally, also hosts 63.4% of China's Nb resources. Previous studies mainly focus on the isotopes and petrographic mineralogy of carbonatite dyke, ore-host dolomite and ...
Yisu Ren, Xiaoyong Yang, Xiaoxia Wang
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Niobium-based superconducting nano-devices fabrication using all-metal suspended masks [PDF]
, 2013 We report a novel method for the fabrication of superconducting nanodevices based on niobium. The well-known difficulties of lithographic patterning of high-quality niobium are overcome by replacing the usual organic resist mask by a metallic one.
Courtois, H. +5 more
core +3 more sources
Alloy Formation by Electrodeposition of Niobium and Aluminium on Gold from Chloroaluminate Melts
International Journal of Electrochemical Science, 2017 Niobium and aluminium have been electrodeposited from inorganic chloroaluminate melts onto gold substrate at 473 K. The melts were prepared from an equimolar mixture of AlCl3+NaCl with niobium added by anodic dissolution.
Nataša M. Vukićević +4 more
doaj +1 more source
Manipulating the carrier concentration and phase transition via Nb content in SrTiO3
Scientific Reports, 2022 SrTiO3 is a model of the perovskite-like compounds for structural transition which inducing the intriguing physical properties around the critical phase transition temperature TAFD (antiferrodistortive, abbrev. as AFD). Here we report that the electrical
Zhe Zhang +6 more
doaj +1 more source
Influence of interstitials content on the diffusion of Niobium in alloy 718 [PDF]
, 2009 Many studies have emphasized the beneficial effect of niobium on the physical metallurgy of Ni-Cr-Fe alloy 718. Among the different strengthening actions of niobium, such as solid solution hardening and carbide precipitation, the precipitation of niobium
Andrieu, Eric +4 more
core +1 more source
Diamond Magnetometry of Meissner Currents in a Superconducting Film [PDF]
, 2016 We study magnetic field penetration into a thin film made of a superconducting niobium. Imaging of magnetic field is performed by optically detecting magnetic resonances of negatively charged nitrogen-vacancy defects inside a single crystal diamond ...
Alfasi, Nir +4 more
core +1 more source
Main applications and characterization of world resources of niobium and progress in extraction [PDF]
E3S Web of ConferencesThis paper focuses on niobium applications in the steel industry, aerospace industry, electronics industry, superconducting alloys, medical and other fields.
Liu Ao, Su Wenrou, Wu Jie
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The oxidative coupling of methane and the oxidative dehydrogenation of ethane over a niobium promoted lithium doped magnesium oxide catalyst [PDF]
, 1993 The promoting effect of niobium in a Li/MgO catalyst for the oxidative coupling of methane (OCM) and for the oxidative dehydrogenation of ethane (ODHE) has been studied in some detail.
Li, X. +4 more
core +2 more sources