Germanium State At Room Temperature

K is a solid.

Germanium state at room temperature.

It is a lustrous hard brittle grayish white metalloid in the carbon group chemically similar to its group neighbours silicon and tin pure germanium is a semiconductor with an appearance similar to elemental silicon. Assume that the energy bandgap is independent of temperature and given by the values provided below. Each has four valence electrons but germanium will at a given temperature have more free electrons and a higher conductivity silicon is by far the more widely used semiconductor for electronics partly because it can be used at much higher. It is often found in compound state or in minerals.

Thus it will be a solid at room temperature. It s hard at room temperature and looks metallic with a shiny silvery grey finish but it s a semiconductor without some of the key properties of a metal. Germanium is recyclable and about 35 of it are used annually from reclaimed sources. The effective density of states for electrons in the conduction band is calculated from.

Germanium was tested for use in photodetectors due to its small bandgap or the easier. Fairly rare only about 118 tons of germanium are produced annually. Germanium is a chemical element with the symbol ge and atomic number 32. What type of element is germanium.

Calculate the intrinsic carrier density in germanium silicon and gallium arsenide at room temperature 300 k. Most elements are either metals or nonmetals. Germanium itself is classified as a metalloid. Germanium is found in the earth s crust at about 1 6 parts per million.

Repeat at 100 c. Germanium falls in the same group as carbon and silicon but also as tin and lead. 1 720 9 degrees fahrenheit 938 3 degrees celsius. Germanium in a pure form is too highly reactive to occur naturally.

In solid state electronics either pure silicon or germanium may be used as the intrinsic semiconductor which forms the starting point for fabrication. Germanium is a solid at room temperature and is a nonmetal and the call name is ge. Germanium chemical symbol ge has a melting point of 938 25 â c or â 1720 85 â f. First proposed to exist by dmitri mendeleyev in 1871 based on gaps in his newly created periodic table of elements germanium was discovered by the german chemist clemens winkler in the mineral argyrodite ag 8 ges 6 in 1886 today germanium is primarily obtained from the smelting of zinc ores and from the byproducts of burning certain types of coal.

Germanium telluride exists in three major crystalline forms room temperature α rhombohedral and γ orthorhombic structures and high temperature β cubic rocksalt type phase. Germanium telluride gete is a chemical compound of germanium and tellurium and is a component of chalcogenide glasses it shows semimetallic conduction and ferroelectric behaviour. Phase at room temperature. It appears as a shiny hard metal and has applications in.