It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Most Targeting Cookies track users via their IP address and, thus, may collect some Personal Data.
These cookies also help us understand the effectiveness of our website. This is expected due to the cubic crystal form of germanium. +49 89 22061245 (Von Montag bis Freitag 24 Stunden täglich erreichbar ) Created with Highcharts 5.0.14. Umicore uses certain monitoring and tracking technologies such as cookies.
The diamond structure is considered as two interpenetrating face-centred-cubic lattices, in which one lattice is displaced from the other by one quarter of the main body diagonal.
He gave it the name of his native country, Germania.For a long time germanium remained a laboratory curiosity and found its use in multiple applications but was eventually superseded by silicon after a few decades.Germanium is mainly recycled from the production processes of various industries such as fibre optics, solar cells, LEDs and infrared optics. Germanium is a chemical element with the symbol Ge and atomic number 32. GASIR® is transparent from 0.8 µm up to 16 µm and offers 8 times lower change of refractive index with temperature than germanium.
Germanium is an excellent semiconductor. In 1976, Icenogle Calculations from this equation has been evaluated from which accurate values for high-grade optical quality germanium are within 0.025% or better, over the 2.5-14µm range, and are considered sufficiently accurate to extrapolate to 40µm. Applications. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. The high index of refraction also necessitates that good anti-reflection coatings be used. The short wavelength cut-off corresponds to an energy gap between 0.68eV at 300K to 0.83eV at 50K and a transmission level of approximately 47% from a refractive index of ~ 4.0.Both germanium and silicon have a diamond type structure, where each atom is surrounded by four adjacent atoms occupying the corner points of a tetrahedron, to which it is bound by covalently bonded electron paired bonds. This could make athermalization .
Germanium is quite expensive.
It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbours silicon and tin.
Brechungsindex von Germanium. These technologies are used in order to maintain, provide and improve our services on an ongoing basis, and in order to provide our web visitors with a better experience.By clicking on the "Accept all" button you agree to the use of these cookies while using the website.
Si x Ge 1-x, x = 0.11. Pure germanium is a semiconductor with an appearance similar to elemental silicon.
are used in thermal imaging, CO 2 lasers, night vision systems and other applications in …
This allows us to continuously improve our website to provide the best information in support of our project aims. GASIR® is transparent from 0.8 µm up to 16 µm and offers 8 times lower change of refractive index with temperature than germanium.
Germanium is a chemical element with the symbol Ge and atomic number 32.
Having the highest refractive index n ~ 4.0) of any of the infrared bulk transmitting substrate materials and low dispersion properties across a wide range of temperatures avoids chromatic aberration in many applications. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature.