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1. Study of Physicochemical Characteristics of Niobium-Containing Oxide Materials. Part 1. Thermodynamic Simulation

   The paper provides brief information about the state of production and use of niobium in steelmaking and about niobium deposits in Russia....

   O. V. Zayakin, V. I. Zhuchkov, ... A. G. Upolovnikova in Metallurgist

   Article 29 May 2023
   

2. Preparation of Niobium(V) Oxide with Controlled Dispersity and Morphology

   The effect of the annealing temperature and the chemical history of the precipitate on the morphology and phase composition of Nb ₂ O ₅ powder was...

   N. K. Golubeva, D. P. Danilovich, ... I. D. Shabalkin in Glass and Ceramics

   Article 01 May 2022
   

3. On the Fabrication of Niobium-Carbide Powders by the Reaction of Niobium with Acetone

   The process of fabricating niobium-carbide powders using niobium powder as a precursor and acetone vapor as a carbon source is investigated in the...

   V. N. Kolosov, M. N. Miroshnichenko in Nanobiotechnology Reports

   Article 01 December 2023
   

4. Portland cement associated with niobium is evidenced by the presence of calcium crystals and biocompatibility in the rat subcutaneous tissue

   This study evaluated the chemical, mechanical, and biocompatibility of Portland cement (PC) with different proportions of niobium oxide (Nb ₂ O ₅ ). Five...

   Rafaela Alcindo Silva, Raphael Victor Silva Andrade, ... Aurigena Antunes de Araújo in Journal of Materials Research

   Article 29 April 2024
   

5. Characterisation and Pre-concentration of a Pegmatite Columbite Ore for Niobium Extraction

   A columbiteColumbite ore of pegmatitePegmatite origin was characterised by subjecting it to energy dispersive X-ray fluorescence (XRF) and...

   Abraham Adeleke, Samson Adegbola, Ayodele Daniyan in Characterization of Minerals, Metals, and Materials 2024

   Conference paper 2024
   

6. High specific surface area niobium-doped tin oxide nanoparticles produced in spray flames as catalyst supports in polymer electrolyte fuel cells

   Platinum-loaded carbon is commonly used in polymer electrolyte fuel cells (PEFCs); however, it is known to corrode or degrade under high potentials,...

   Tomoyuki Hirano, Takama Tsuboi, ... Takashi Ogi in Journal of Nanoparticle Research

   Article 17 December 2022
   

7. Investigations on niobium tungsten oxide thin films for optical modulation

   The electrochromic parameters such as high color contrast, quick switching time, excellent modulation of percentage transmittance accompanied by long...

   Ahmar Mehmood, Azhar Ali Haidry, ... **aogang Zhang in Journal of Materials Science

   Article 28 February 2022
   

8. Сomposites with a Matrix Based on Niobium and Molybdenum Reinforced with Sapphire Fibers

   Abstract

   Single-crystal sapphire fibers are obtained by the Stepanov/edge-defined film-fed growth (EFG) method. The procedure for obtaining them is...

   V. M. Kiiko, V. P. Korzhov, V. N. Kurlov in Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques

   Article 18 October 2023
   

9. Extraction of Tungsten, Yttrium, and Uranium from Tantalum—Niobium Ore from Muchinga Province in Zambia

   A clean method of extracting tungsten, yttrium, and uranium from tantalum—niobium ore located in the Muchinga province of Zambia has been developed....

   Mazwi Douglas Musowoya, Yotamu Rainford Stephen Hara, ... Stephen Parirenyatwa in Rare Metal Technology 2023

   Conference paper 2023
   

10. Influence of lithium ions on the structural, optical, and electrical properties titanium niobium oxide thin films

    This work successfully prepared TiO ₂ :Nb thin films with various Li ions content using the sol–gel and immersing method. These films’ crystal,...

    Ihsan A. Aljarrah, Ahmad.A. Ahmad, A. B. Migdadi in Journal of Materials Science: Materials in Electronics

    Article 08 November 2023
    

11. Orderly defective superstructure for enhanced pseudocapacitive storage in titanium niobium oxide

    Artificial defect engineering in transition metal oxides is of important terms for numerous applications. In the present work, we proposed an in-situ ...

    Le Yang, **feng Zeng, ... Jiatao Zhang in Nano Research

    Article 24 July 2021
    

12. Extraction of Niobium and Tantalum Oxides From Columbite Concentrate Using Microwave Processing and Solvent Extraction

    The industrial processes for recovery of niobium and tantalum oxides depend on hydrofluoric acid, which is a highly toxic and corrosive reagent with...

    Himanshu Tanvar, Manish Kumar Sinha, ... Brajendra Mishra in Metallurgical and Materials Transactions B

    Article 03 January 2023
    

13. Green and Efficient Pre-concentration of Niobium From Low-Grade Niobite via Super Gravity

    Bayan Obo ore, located in Baotou China, is the second largest niobium (Nb) deposit in the world. However, mining of niobium from this ore has not yet...

    ** Lan, **tao Gao, ... Zhancheng Guo in Metallurgical and Materials Transactions B

    Article 19 May 2023
    

14. Enhanced anti-corrosion and microwave absorption properties of novel binary titanium niobium nitrides nanofiber

    In this study, the novel binary titanium niobium nitride nanofibers with dual functionalities of microwave absorption and corrosion resistance were...

    Yi Cui, Li Chaojie, ... Bo Liang in Journal of Materials Science: Materials in Electronics

    Article 16 February 2024
    

15. Preparation and Research of Chromium Coatings with Diamond Nanoparticles Deposited Directly on a Monolithic Composite of Niobium and Aluminum

    Abstract

    Electrochemical coatings of chromium modified with diamond nanoparticles applied directly on niobium-aluminum alloy were obtained. Diamond...

    V. Petkov, M. Aleksandrova, ... M. Gacheva in Protection of Metals and Physical Chemistry of Surfaces

    Article 01 August 2023
    

16. Mesoporous structured silica modified with niobium oxide and cobalt hematoporphyrin applied to the simultaneous electrochemical evaluation of oxalic and uric acids

    Mesoporous SBA-15-type silica, with cylindrical pores hexagonally ordered, was obtained and modified with niobium oxide in a highly dispersed way....

    Luana V. Souza, Anike H. Virgili, ... Eliana W. de Menezes in Journal of Sol-Gel Science and Technology

    Article 28 October 2021
    

17. Effect of chelation in alkoxide precursors of niobium oxide nanoparticles on photochemical degradation of rhodamine B

    In order to control the high moisture sensitivity, niobium ethoxide and niobium butoxide were chelated by bidentate ligands chloroacetic acid and...

    Subia Ambreen, N. D. Pandey, ... Ashutosh Pandey in Journal of Sol-Gel Science and Technology

    Article 18 March 2021
    

18. An overview of bi-layered niobium pentoxide (Nb₂O₅)-based photoanodes for dye-sensitized solar cells

    Niobium pentoxide (Nb ₂ O ₅ ) blocking layers are a considerable and effective photoanode material in the fabrication of highly efficient dye-sensitized...

    **anyun Gong, Niyamat I. Beedri, ... Yong Ma in Advanced Composites and Hybrid Materials

    Article 24 November 2023
    

19. Studies of Properties of Isotropic Hard Magnetic Powder Alloys Fe–30Cr–20Co–2Mo (Kh30K20M2) Doped with Niobium

    Abstract

    Methods of powder metallurgy were used to obtain hard magnetic powder alloys Fe–30Cr–20Co–2Mo (Kh30K20M2) doped with niobium. The influence...

    A. S. Ustyukhin, V. A. Zelenskii, ... V. S. Yusupov in Steel in Translation

    Article 01 October 2022
    

20. Heat Resistance of Laminated Niobium- and Molybdenum-Based Composites with Coatings

    Abstract

    The heat resistance of composite materials fabricated by diffusion welding under pressure and consisting of alternating layers of niobium,...

    V. P. Korzhov, V. M. Kiiko, ... M. Gacheva in Russian Metallurgy (Metally)

    Article 01 October 2022