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Zinc oxide is an inorganic compound with the formula Zn O.It is a white powder which is insoluble in water. ZnO is used as an additive in numerous materials and products including cosmetics, food supplements, rubbers, plastics, ceramics, glass, cement, lubricants, [12] paints, sunscreens, ointments, adhesives, sealants, pigments, foods, batteries, ferrites, fire retardants, semi conductors ...
Used for blue lasers and LEDs. Easy to n-type doping, p-type doping is difficult but can be done with e.g. nitrogen. Common optical material in infrared optics. II-VI: 2: Zinc sulfide: ZnS: 3.54/3.91 [6] direct: Band gap 3.54 eV (cubic), 3.91 (hexagonal). Can be doped both n-type and p-type. Common scintillator/phosphor when suitably doped. II ...
Doping of a pure silicon array. Silicon based intrinsic semiconductor becomes extrinsic when impurities such as Boron and Antimony are introduced.. In semiconductor production, doping is the intentional introduction of impurities into an intrinsic (undoped) semiconductor for the purpose of modulating its electrical, optical and structural properties.
Doping ZnO nanostructures with other elements and molecules leads to a variety of material characteristics, because the addition or vacancy of atoms changes the energy levels in the band gap. [12] Native defects due to oxygen and zinc vacancies or zinc interstitials create its n-type semiconductor properties, but the behaviour is not fully ...
The manufacturability of the materials depend on the thermal equilibrium solubility of the dopant in the base material. E.g., solubility of many dopants in zinc oxide is high enough to prepare the materials in bulk, while some other materials have so low solubility of dopants that to prepare them with high enough dopant concentration thermal nonequilibrium preparation mechanisms have to be ...
Gallium nitride and zinc oxide can also be regarded as a ceramic due to their relatively wide band gaps. ... Bi 2 O 3 doped KNN d 33 = 127 ε 33 = 1309 k p = 28.3
In microelectronics, diethylzinc is used as a doping agent. [citation needed] For corrosion protection in nuclear reactors of the light water reactor design, depleted zinc oxide is produced by first passing diethylzinc through an enrichment centrifuge. The pyrophoricity of diethylzinc can be used to test the inert atmosphere inside a glovebox ...
Zinc oxide nanoparticles are nanoparticles of zinc oxide (ZnO) that have diameters less than 100 nanometers. They have a large surface area relative to their size and high catalytic activity . The exact physical and chemical properties of zinc oxide nanoparticles depend on the different ways they are synthesized .