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Aluminum Nitride (AlN)-Powder
  • Aluminum Nitride (AlN)-Powder

Aluminum Nitride (AlN)-Powder

Aluminium nitride (AlN) is a solid nitride of aluminium, chemical formula AlN, submicron and nanopowder forms may be considered for industrial and application purpose. The appearance of Aluminium nitride is white powder. It mainly applied in the surface acoustic wave sensors (SAWs) deposited on silicon wafers.
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Aluminum Nitride (AlN)-Powder introduce:

About Aluminum Nitride:

Aluminium nitride (AlN) with CAS 24304-00-5 is a solid nitride of aluminium. It has a high thermal conductivity of up to 285 W/(m·K), and is an electrical insulator. Its wurtzite phase (w-AlN) has a band gap of ~6 eV at room temperature and has a potential application in optoelectronics operating at deep ultraviolet frequencies.

Specifications and properties of Aluminum Nitride:

Chemical formula:AlN
Molar mass:40.989 g/mol
Appearance:white to pale-yellow solid
Density:3.255 g/cm3
Melting point:2,500 °C (4,530 °F; 2,770 K)
Solubility in water:hydrolyses (powder), insoluble (monocrystalline) Solubility insoluble, subject of hydrolysis in water solutions of bases and acids 
Band gap:6.015 eV
Electron mobility:~300 cm2/(V·s)
Thermal conductivity:285 W/(m·K)
Refractive index (nD):2.1–2.2 (crystals)  1.8-1.9 (amorphous)
Crystal structure:Wurtzite
Odor
Odorless


Application of Aluminum Nitride:


Epitaxially grown thin film crystalline aluminium nitride is used for surface acoustic wave sensors (SAWs) deposited on silicon wafers because of AlN's piezoelectric properties. One application is an RF filter which is widely used in mobile phones,] which is called a thin film bulk acoustic resonator (FBAR). This is a MEMS device that uses aluminium nitride sandwiched between two metal layers.

AlN is also used to build piezoelectric micromachined ultrasound transducers, which emit and receive ultrasound and which can be used for in-air rangefinding over distances of up to a meter.

Metallization methods are available to allow AlN to be used in electronics applications similar to those of alumina and beryllium oxide. AlN nanotubes as inorganic quasi-one-dimensional nanotubes, which are isoelectronic with carbon nanotubes, have been suggested as chemical sensors for toxic gases.

Currently there is much research into developing light-emitting diodes to operate in the ultraviolet using gallium nitride based semiconductors and, using the alloy aluminium gallium nitride, wavelengths as short as 250 nm have been achieved. In 2006, an inefficient AlN LED emission at 210 nm was reported.


Storage Condition of Aluminum Nitride Powder:

Damp reunion will affect Aluminum Nitride powder dispersion performance and using effects, therefore,Aluminum Nitride Powder should be sealed in vacuum packing and stored in cool and dry room, the Aluminum Nitride Powder can not be exposure to air. In addition, the Aluminum Nitride powder should be avoided under stress.


Packing & Shipping of Aluminum Nitride Powder:

We have many different kinds of packing which depends on the Aluminum Nitride Powder quantity.

Aluminum Nitride Powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.

Aluminum Nitride Powder shipping:could be shipped out by sea , by air, by express as soon as possible once payment receipt.

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