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...
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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...
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Niobium oxide, archaically called columbium oxide, may refer to: Niobium monoxide (niobium(II) oxide), NbO Niobium dioxide (niobium(IV) oxide), NbO2 Niobium...
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Niobium–titanium (Nb-Ti) is an alloy of niobium and titanium, used industrially as a type II superconductor wire for superconducting magnets, normally...
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Niobium–tin is an intermetallic compound of niobium (Nb) and tin (Sn), used industrially as a type-II superconductor. This intermetallic compound has...
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Niobium pentoxide is the inorganic compound with the formula Nb2O5. A colorless, insoluble, and fairly unreactive solid, it is the most widespread precursor...
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Group 5 element (section Niobium and tantalum)
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...
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Niobium carbide (NbC and Nb2C) is an extremely hard refractory ceramic material, commercially used in tool bits for cutting tools. It is usually processed...
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element, along with vanadium and niobium, and it always occurs in geologic sources together with the chemically similar niobium, mainly in the mineral groups...
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A niobium electrolytic capacitor (historically also Columbium capacitor) is an electrolytic capacitor whose anode (+) is made of passivated niobium metal...
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with moist air or water to produce niobium(V) oxide. Niobium perchlorate is produced from the reaction of niobium pentachloride and anhydrous perchloric...
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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...
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Niobium monoxide is the inorganic compound with the formula NbO. It is a grey solid with metallic conductivity. NbO adopts an unusual cubic structure...
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Niobium-germanium (Nb3Ge) is an intermetallic chemical compound of niobium (Nb) and germanium (Ge). It has A15 phase structure. It is a superconductor...
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Niobium chloride may refer to: Niobium(IV) chloride (niobium tetrachloride), NbCl4 Niobium(V) chloride (niobium pentachloride), NbCl5 This set index article...
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Niobium bromide may refer to Niobium(III) bromide. NbBr3 Niobium(IV) bromide, NbBr4 Niobium(V) bromide, NbBr5 Greenwood, Norman N.; Earnshaw, Alan (1997)...
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chemical elements (e.g. mercury or lead), alloys (such as niobium–titanium, germanium–niobium, and niobium nitride), ceramics (YBCO and magnesium diboride), superconducting...
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Niobium diselenide or niobium(IV) selenide is a layered transition metal dichalcogenide with formula NbSe2. Niobium diselenide is a lubricant, and a superconductor...
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Lithium niobate (redirect from Lithium niobium trioxide)
Lithium niobate (LiNbO3) is a synthetic salt consisting of niobium, lithium, and oxygen. Its single crystals are an important material for optical waveguides...
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Refractory metals (section Niobium alloys)
most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum, tungsten, and...
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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...
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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...
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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...
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Period 5 element (section Niobium)
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...
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one of the more important fluorides of niobium. It is often invoked as an intermediate in the separation of niobium from tantalum. These two elements are...
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Two fluorides of niobium are well characterized: Niobium(IV) fluoride Niobium(V) fluoride This set index article lists chemical compounds articles associated...
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Niobium nitride is a compound of niobium and nitrogen (nitride) with the chemical formula NbN. At low temperatures (about 16 K) NbN becomes a superconductor...
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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...
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Niobium(IV) chloride, also known as niobium tetrachloride, is the chemical compound of formula NbCl4. This compound exists as dark violet crystals, is...
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containing niobium oxides. Metal alkoxides rarely adopt monomeric structures, and niobium(V) ethoxide is no exception. Early studies established that niobium alkoxides...
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