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Germanium is a chemical element; it has symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid (more rarely considered a metal) in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms ...
The monoxide, germanous oxide, can be obtained by the high temperature reaction of GeO 2 with Ge metal. [4] The dioxide (and the related oxides and germanates) exhibits the unusual property of having a high refractive index for visible light, but transparency to infrared light. [6] [7] Bismuth germanate, Bi 4 Ge 3 O 12, (BGO) is used as a ...
Bismuth germanium oxide or bismuth germanate is an inorganic chemical compound of bismuth, germanium and oxygen. Most commonly the term refers to the compound with chemical formula Bi 4 Ge 3 O 12 (BGO), with the cubic evlitine crystal structure, used as a scintillator. (The term may also refer to a different compound with formula Bi 12 GeO 20 ...
Germanate. The orthogermanate anion. In chemistry, germanate is a compound containing an oxyanion of germanium. In the naming of inorganic compounds it is a suffix that indicates a polyatomic anion with a central germanium atom, [1] for example potassium hexafluorogermanate, K 2 GeF 6. [2]
Infobox references. Germanium dioxide, also called germanium (IV) oxide, germania, and salt of germanium, [1] is an inorganic compound with the chemical formula Ge O 2. It is the main commercial source of germanium. It also forms as a passivation layer on pure germanium in contact with atmospheric oxygen.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Sodium germanate is an inorganic compound with the chemical formula Na 2 GeO 3. It exists as a colorless solid. Sodium germanate is primarily used for the synthesis of other germanium compounds.
Organogermanium chemistry is the science of chemical species containing one or more C – Ge bonds. Germanium shares group 14 in the periodic table with carbon, silicon, tin and lead. Historically, organogermanes are considered as nucleophiles and the reactivity of them is between that of organosilicon and organotin compounds.
Germanene is a material made up of a single layer of germanium atoms. [2] The material is created in a process similar to that of silicene and graphene, in which high vacuum and high temperature are used to deposit a layer of germanium atoms on a substrate. [2][3][4] High-quality thin films of germanene have revealed unusual two-dimensional ...
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