What is Aluminum Nitride?

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How do you define it?



Aluminum Nitride



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The covalent bond chemical, aluminum nitride or AIN is an atomic compound that is not toxic, safe, white, or off-white.


Aluminum Nitride has the following main attributes


AlN remains stable at 2200°C. Strength at room temperatures is good, but it decreases gradually with temperature. It is an excellent thermal shock material because it has a low thermal conductivity. Aluminum nitride is resistant to corrosion and thus a good crucible for the casting of pure iron or aluminum. The potential electrical component aluminum nitride, which is an excellent electrical insulator that has good dielectric characteristics and also offers promising results as an electrical component, is also known to be an effective conductive material. An aluminum nitride layer on gallium arsenide protects it against ion implantation in annealing. Aluminium nitride also acts as a catalyst in the transformation of hexagonal to cubic boron nutride. It is slow to react with water at room temperatures. Aluminum powder can be made in nitrogen atmosphere or ammonia at 8001000. It is white to gray-blue and easily synthesized. It can be produced by reaction of Al2O3C–N2 system at 1600 1750. The powder is off-white. Oder prepared using vapor-phase reactions of aluminum chloride, ammonia. It can also be prepared using the AlCl3NH3 system vapor-phase method.


Aluminum Nitride Properties

There are other names
Aluminium nitride

24304-00-5

Compound Formula
AlN

Molecular Weight
40.9882

Appearance
From white powder to pale yellow powder

Melting Point
2200 degC

Boiling Point
2517 degC (dec.)

Density
2.9% to 3.3 grams/cm3.

Solubility of H2O
N/A

Electrical Resistivity
10-12 O-m 10x

Poisson’s Rate
From 0.21 to $0.31

Specific Heat
780 J/kg-K

Thermo Conductivity
80-200 W/m K

Thermal Expansion
4.2-5.4 um/m/m-K

Young’s Module
330 GPa

Exact
40.9846

Monoisotopic
40.9846


AlN powder (CAS 24304-00-5)


Aluminum Niitride


The majority of current research is focused upon developing a semiconductor light-emitting diode, either gallium nitride (or alloy aluminum galium nitride), that emits ultraviolet light having a wavelength of 250 nanometers. An inefficient diode may emit light up to 210nm (as reported by 1 May 2006). An aluminum nitride single crystal has an energy gap measuring by reflectance from ultraviolet rays. It has a value of 6.2eV. According to theory, this energy gap permits waves at wavelengths of around 200 nanometers to pass through. However, commercialization presents many problems. Optoelectronic engineering uses aluminum nitride as an optical layer, in electronic storage interfaces and on substrates. Additionally, it is used to make chip carriers that have high thermal conductivity and military applications.

The properties of the piezoelectric effects of aluminum Nitride make epitaxial stretching crystals of aluminum Nitride useful for surface acoustic-wave detectors. They are mounted on silicon wafers. It is difficult to produce thin films reliably in these locations.

Aluminum nitride clays can be used for heat exchangers and parts that require high temperatures.

It can be used in crucibles or casting materials to smelt Al, Cu, Ag and Pb by using aluminum nitride clays. This ceramic resists the corrosion properties iron, aluminum, and other metals.


Aluminum Niitride’s main supplier


Buffalotours advanced Material Tech Co., Ltd., (Buffalotours), a professional


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