The information of Silicon (bar)

Silicon (bar)
Silicon (bar) decription:Crystalline silicon steel gray, amorphous silicon is black, density 2.4g/cm3, melting point 1420 ℃, boiling point 2355 ° C, the crystalline silicon atomic crystal, hard and shiny, and semiconductor properties. The structure of the silicon and diamond is a tetrahedral structure. Lively, the chemical nature of the silicon compounds at high temperatures with oxygen and other elements, insoluble in water, nitric acid and hydrochloric acid, soluble in hydrofluoric acid and lye, used for making in alloys such as ferrosilicon, silicon, single crystal silicon is an important semiconductor material used in the manufacture of high-power transistors, rectifiers, solar cells. Silicon are very widespread in nature, the earth’s crust contains about 27.6%, mainly exists in the form of silica and silicates. In the crust, the content of silicon content in all element, second only to oxygen, the second highest.
Crystalline silicon is dark blue, very brittle, is a typical semiconductor. Chemical properties are very stable. At room temperature, except the hydrofluoric acid, it is difficult with other substances to react.
Silicon has abounding automated uses. It is the arch basic of a lot of semiconductor devices, a lot of chiefly chip circuits or microchips. Silicon is broadly acclimated in semiconductors because it charcoal a semiconductor at college temperatures than the semiconductor germanium and because its built-in oxide is calmly developed in a boiler and forms a acceptable semiconductor/dielectric interface.
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