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Germanium sputtering target(Ge)

Germanium sputtering target(Ge)
  • Germanium sputtering target(Ge)
Germanium sputtering target(Ge)essential information
Molecular formulaGe
purity99.999%
CAS No7440-56-4
Molar mass72.64
density5.35g/cm3
melting point937℃
boiling point2830℃
Solubility (water)

Germanium sputtering target(Ge)Product overview

ermanium is a chemical element with the element symbol Ge, atomic number 32, and atomic weight 72.64. It is located in the fourth cycle, group IVA, in the periodic table of chemical elements. Germanium is a grayish white quasi metal, shiny, hard, belonging to the carbon group. Its chemical properties are similar to those of tin and silicon of the same group. It is insoluble in water, hydrochloric acid, dilute caustic solutions, soluble in aqua regia, concentrated nitric acid, or sulfuric acid, and has amphoteric properties. Therefore, it is soluble in molten alkali, alkali peroxide, alkali metal nitrate, or carbonate, and is relatively stable in the air.


In nature, there are five stable nuclides of germanium: 70Ge, 72Ge, 73Ge, 74Ge, and 76Ge. They react with oxygen to form GeO2 at temperatures above 700 ℃, and with hydrogen at temperatures above 1000 ℃. Fine germanium can burn in chlorine or bromine. Germanium is an excellent semiconductor that can be used for high-frequency current detection and AC rectification. In addition, it can be used as infrared light materials, precision instruments, and catalysts.


Germanium powder is a dark blue, crystalline, silvery white brittle metal. The valence is+2 and+4. The first ionization energy is 7.899eV, which is a rare metal and an important semiconductor material that is insoluble in water.


Germanium sputtering target(Ge)Product application

Infrared optics, semiconductor thin films

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