Germanium - An Overview
Germanium - An Overview
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Germanium compounds by which germanium is during the +2 oxidation point out are well characterized as solids, and on the whole they are conveniently oxidized.
The voltage-latest (VI) and electroluminescence intensity-present (LI) properties calculated at 5 K to the Ge/SiGe samples plus the GaAs/AlGaAs reference sample are obvious in Fig. two (VI curves being a function in the temperature nearly 290 K are claimed from the supplementary content). The noticed Ge/SiGe VI curves are in comparison to the NEGF simulation for sample 2307; the calculated current density exceeds the simulated one particular by a factor of 5, that's in line with theoretical life time predictions, as discussed more underneath. Comparing the VI curves with the Ge/SiGe samples into the GaAs/AlGaAs reference measurement, the current density for a similar used electric area is one purchase of magnitude more substantial.
It had been seventeen several years later, in 1886, that German chemist Clemens Winkler isolated the component from the freshly identified mineral known as argyrodite, found in a mine close to his residence city of Freiburg in Saxony. Winkler first toyed Along with the name neptunium, after the not too long ago uncovered Earth.
Germanium may well act in opposition to inflammation. It might also have antioxidant Homes and have an effect on the immune technique.
First the mineral was called argyrodite, but later, when Clemens Winkler examined this mineral he found out that it absolutely was similar to antimony. At the outset he needed to title it neptunium, but since this identify was now taken he named it germanium in honor of his fatherland Germany.
Even though this type of structure technique holds superior assure with the demonstration of the laser, it is not the best prospect to get more info create a fresh THz quantum cascade emitter. The diagonal optical transition brings about broad emission24 plus a higher voltage drop for each period.
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Sublimation The changeover of a substance directly from the reliable to the gasoline period without passing via a liquid phase.
Team A vertical column during the periodic table. Associates of a bunch ordinarily have comparable Attributes and electron configurations of their outer shell.
Germanium was learned in 1886. Germanium belongs into the carbon loved ones and Utilized in Digital products as semiconductors.
Like most slight metals, germanium is produced to be a by-item of foundation metallic refining and isn't mined as being a Most important content.
Germani tạo ra một lượng lớn các hợp chất hữu cơ kim loại và là vật liệu bán dẫn quan trọng được sử dụng để sản xuất transistor. Nó được đặt tên theo tên gọi của Đức trong tiếng La tinh là Germania.