Aluminum nitride can be described as a covalent bonds compound. The chemical formula for AIN is an atomic crystal. Aluminum nitride can be classified as a diamond-like nitride. It is also known to have hexagonal crystal structures and the wurtzite structure. The aluminum nitride powder can be white or off-white and is not toxic.

Property of aluminum Nitride:

AlN can also be stabilized up to 2200. Aluminum nitride exhibits high strength at ambient temperature and decreases in strength with increasing temperatures. Aluminum nitride exhibits good thermal conductivity with a very low thermal expansion coefficient. This makes it an excellent thermal shock material.
Aluminum nitride resists molten metal corrosion well and makes an ideal crucible for melting pure iron, aluminum and aluminum alloy. The dielectric properties of aluminum nitride make it an excellent electrical insulator.

Aluminium nitride acts as a catalyst in the conversion from hexagonal to cubic boron nutride. It is slow to react with water at room temperatures. Aluminum powder can be used to make the product at 800-1000 under nitrogen or ammonia atmosphere. This product can be found in a grayish-blue powder to white.

Aluminium nitride application:

Aluminium nitride can be used for optoelectronics engineering as an optical storage interface dielectric and substrate and as a high-temperature chip carrier. It is also useful in military and other applications.

Because of its piezoelectric effects, epitaxial stretching aluminum nitride crystals can also be used as surface acoustic-wave detectors. It will be attached to the silicon wafer. It is difficult to manufacture thin films reliably in so many locations.

Use of aluminum nitride clays is a good choice because they have high room temperatures, high temperature strengths, low expansion coefficients and excellent thermal conductivity. You can use it as a heat transfer material to high-temperature structures.

The aluminum nitride clays can resist the corrosion of iron and aluminum. They can also be used to make casting molds for metals like Al, Cu and Ag.

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tags: Semiconductors semiconductor industry