• Thumbnail for Niobium
    Niobium is a chemical element; it has symbol Nb (formerly columbium, Cb) and atomic number 41. It is a light grey, crystalline, and ductile transition...
    84 KB (8,206 words) - 18:33, 27 April 2024
  • Naturally occurring niobium (41Nb) is composed of one stable isotope (93Nb). The most stable radioisotope is 92Nb with a half-life of 34.7 million years...
    19 KB (1,020 words) - 20:40, 4 February 2024
  • Thumbnail for Tantalum
    element, along with vanadium and niobium, and it always occurs in geologic sources together with the chemically similar niobium, mainly in the mineral groups...
    53 KB (6,121 words) - 18:28, 27 April 2024
  • Niobium oxide, archaically called columbium oxide, may refer to: Niobium monoxide (niobium(II) oxide), NbO Niobium dioxide (niobium(IV) oxide), NbO2 Niobium...
    1 KB (151 words) - 03:32, 30 April 2024
  • Thumbnail for Group 5 element
    group of elements in the periodic table. Group 5 contains vanadium (V), niobium (Nb), tantalum (Ta) and dubnium (Db). This group lies in the d-block of...
    80 KB (8,537 words) - 03:53, 4 January 2024
  • Niobium–titanium (Nb-Ti) is an alloy of niobium and titanium, used industrially as a type II superconductor wire for superconducting magnets, normally...
    7 KB (769 words) - 22:00, 7 August 2023
  • Thumbnail for Niobium pentoxide
    Niobium pentoxide is the inorganic compound with the formula Nb2O5. A colorless, insoluble, and fairly unreactive solid, it is the most widespread precursor...
    12 KB (1,223 words) - 21:44, 20 February 2024
  • Thumbnail for Niobium capacitor
    A niobium electrolytic capacitor (historically also Columbium capacitor) is an electrolytic capacitor whose anode (+) is made of passivated niobium metal...
    32 KB (3,208 words) - 02:28, 4 March 2024
  • A niobium alloy is one in which the most common element is niobium. The most common commercial niobium alloys are ferroniobium and nickel-niobium, produced...
    4 KB (448 words) - 19:44, 22 November 2023
  • Thumbnail for Niobium monoxide
    Niobium monoxide is the inorganic compound with the formula NbO. It is a grey solid with metallic conductivity. NbO adopts an unusual cubic structure...
    5 KB (444 words) - 19:02, 22 February 2023
  • with moist air or water to produce niobium(V) oxide. Niobium perchlorate is produced from the reaction of niobium pentachloride and anhydrous perchloric...
    4 KB (228 words) - 09:57, 7 December 2023
  • Niobium carbide (NbC and Nb2C) is an extremely hard refractory ceramic material, commercially used in tool bits for cutting tools. It is usually processed...
    3 KB (312 words) - 10:45, 6 October 2023
  • Thumbnail for Niobium–tin
    Niobium–tin is an intermetallic compound of niobium (Nb) and tin (Sn), used industrially as a type-II superconductor. This intermetallic compound has...
    15 KB (1,769 words) - 21:41, 19 October 2023
  • Niobium bromide may refer to Niobium(III) bromide. NbBr3 Niobium(IV) bromide, NbBr4 Niobium(V) bromide, NbBr5 Greenwood, Norman N.; Earnshaw, Alan (1997)...
    329 bytes (71 words) - 21:23, 7 March 2015
  • Thumbnail for Niobium diselenide
    Niobium diselenide or niobium(IV) selenide is a layered transition metal dichalcogenide with formula NbSe2. Niobium diselenide is a lubricant, and a superconductor...
    13 KB (1,397 words) - 06:32, 26 January 2023
  • Thumbnail for Superconductivity
    chemical elements (e.g. mercury or lead), alloys (such as niobium–titanium, germanium–niobium, and niobium nitride), ceramics (YBCO and magnesium diboride), superconducting...
    71 KB (7,735 words) - 07:29, 27 March 2024
  • Thumbnail for Niobium dioxide
    Niobium dioxide, is the chemical compound with the formula NbO2. It is a bluish-black non-stoichiometric solid with a composition range of NbO1.94-NbO2...
    4 KB (347 words) - 16:37, 12 March 2023
  • Niobium nanowires are nanowires made of the element niobium, which is a transition metal. Niobium nanowires in form oxide or nitride are used to detect...
    703 bytes (83 words) - 02:27, 4 April 2023
  • Thumbnail for Coltan
    Coltan (category Niobium minerals)
    from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite (after niobium's original American name...
    64 KB (5,566 words) - 16:12, 8 April 2024
  • Niobium-germanium (Nb3Ge) is an intermetallic chemical compound of niobium (Nb) and germanium (Ge). It has A15 phase structure. It is a superconductor...
    3 KB (206 words) - 01:01, 30 January 2023
  • Niobium chloride may refer to: Niobium(IV) chloride (niobium tetrachloride), NbCl4 Niobium(V) chloride (niobium pentachloride), NbCl5 This set index article...
    542 bytes (51 words) - 21:49, 27 February 2021
  • Thumbnail for Niobium disulfide
    Niobium disulfide is the chemical compound with the formula NbS2. It is a black layered solid that can be exfoliated into ultrathin grayish sheets similar...
    3 KB (193 words) - 20:24, 17 January 2024
  • Thumbnail for Niobium oxychloride
    impurity in samples of niobium pentachloride, a common reagent in niobium chemistry. In the solid state the coordination sphere for niobium is a distorted octahedron...
    4 KB (350 words) - 16:23, 19 June 2023
  • and iodine, two of the heaviest elements with a known biological role. Niobium has the largest known magnetic penetration depth of all the elements. Zirconium...
    42 KB (4,989 words) - 03:33, 15 April 2024
  • Thumbnail for Niobium(IV) iodide
    Niobium(IV) iodide is an iodide of niobium, with the chemical formula of NbI4. Niobium(IV) iodide can be obtained by the decomposition of niobium(V) iodide...
    3 KB (273 words) - 00:46, 23 September 2023
  • Niobium phosphide is an inorganic compound of niobium and phosphorus with the chemical formula NbP. Sintering powdered niobium and phosphorus: 4 Nb + P...
    4 KB (301 words) - 03:04, 27 August 2023
  • most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum, tungsten, and...
    28 KB (2,789 words) - 08:42, 27 March 2024
  • Thumbnail for Lithium niobate
    Lithium niobate (LiNbO3) is a synthetic salt consisting of niobium, lithium, and oxygen. Its single crystals are an important material for optical waveguides...
    21 KB (2,191 words) - 12:24, 15 January 2024
  • Ferroniobium (redirect from Ferro-niobium)
    Ferroniobium is an important iron-niobium alloy, with a niobium content of 60-70%. It is the main source for niobium alloying of HSLA steel and covers...
    3 KB (261 words) - 17:58, 27 April 2024
  • Thumbnail for Electrolytic capacitor
    pentoxide as dielectric Niobium electrolytic capacitors use a sintered "slug" of high-purity niobium or niobium oxide powder with niobium pentoxide as dielectric...
    109 KB (10,990 words) - 14:33, 1 April 2024