GERMANIUM



Germanium is a very important semiconductor and is also finding many other 


applications including use as an alloying agent, as a phosphor in High Purity 


(99.999%) Germanium Oxide (GeO2) Powderfluorescent lamps, and as a catalyst. 


Germanium and germanium oxide are transparent to the infrared and are used in 


infrared spectroscopes High Purity (99.99%) Germanium (Ge) Sputtering 


Targetand other optical equipment, including extremely sensitive infrared 


detectors. The high refractive index and dispersion properties of its oxides have 


made germanium useful as a component of wide-angle camera lenses and 


microscope objectives. Elemental or metallic forms of Germanium include pellets, 


rod, wire and granules for evaporation source material purposes. Germanium 


oxide is available in forms including powders and dense pellets for such uses as 


optical coating and thin film applications. Oxides tend to be insoluble. Fluorides 


are another insoluble form for uses in which oxygen is undesirable such as 


metallurgy, chemical and physical vapor deposition and in some optical coatings. 


Germanium is also available in soluble forms including chlorides, nitrates and 


acetates. These compounds can be manufactured as solutions at specified 


stoichiometries.

 

 

 

 

 
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