Germanium: uses

The following uses for germanium are gathered from a number of sources as well as from anecdotal comments. I'd be delighted to receive corrections as well as additional referenced uses (please use the feedback mechanism to add uses).

  • doped with arsenic, gallium, or other elements for use as a transistor element. Its application as a semiconductor provides the largest use for germanium
  • alloying agent
  • phosphor in fluorescent lamps
  • a catalyst
  • germanium and germanium oxide are transparent to the infrared and are used in infrared spectroscopes and other optical equipment, including extremely sensitive infrared detectors. Also for wide-angle camera lenses and microscope objectives.
  • possible chemotherapy applications?
  • use as a gamma-radiation detector

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