Germanium has been demonstrated for the first time in 1886. It is the element with atomic number 32 in the periodic table and the abbreviation “Ge”. Of course, it occurs as a companion of various ores. It is a semi-metal, the better a semiconductor which has a density anomaly, ie in the liquid state is its poet higher than in the solid.
Today it is mainly used in high-frequency technology, the detector technology and in solar cell technology. Furthermore, as optical fiber, which is used for the modern telecommunications. In the chemical industry plays a role in the production of germanium, certain polyester fibers and granules that find application in the production of PET bottles.
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