Germanium Wafer | Facts About Germanium


March 22, 2018

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Germanium is an important component in semiconductors and fiber optics. It has a boiling point of 5,131 degrees Fahrenheit and a melting point of 1,720.9 degrees Fahrenheit. Let’s take a look at some more fun facts about germanium as it pertains to a germanium wafer.

Germanium Facts

  • Germanium is metalloid, which means it has properties of both metals and nonmetals. Other metalloids on the periodic table are boron, silicon, arsenic, antimony, tellurium, and polonium.
  • Germanium is one of the few elements that expand when it freezes, just like water.
  • The name "germanium" comes from the Latin name for Germany. Clemens Winkler, a German chemist, is believed to have found the first substrate of germanium in 1885.
  • Germanium's value was recognized during World War II when it was used in high-resolution radar receivers. The first germanium transistor was invented shortly afterward.
  • Germanium is primarily mined with zinc ore as well as with argyrodite, germanite, and coal. It is mined in Alaska, Tennessee, China, the United Kingdom, Ukraine, Russia, and Belgium.
  • Germanium is commonly used in detectors in a variety of fields.
  • Atomic Number: 32
  • The existence of germanium was predicted by Russian chemist Dmitri Mendeleev in 1869 after he developed the periodic table of elements.

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