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What is Aluminum Nitride

What is the term Aluminum Nitride?

Awarded for its outstanding conductivity to heat and electrical insulating qualities, aluminum nitride is the ideal material for semiconductors. In light emitter lighting technology, it can also be utilized as a heating element.

Eigenschaften of Aluminum Nitride

Aluminum nitride is an inorganic chemical compound that consists of nitrogen and aluminium. It is part of the wurtzite crystal structure , and has a bandgap value of 6 eV at ambient temperature. This makes it ideal for applications in the fields of deep UV optoelectronics. It also functions as circuit carriers in semiconductors.

Aluminum Nitride can be described as a dense technical ceramic material , available in thin and thick versions. It is made using the carbothermal reduction process. The process could be costly, so it is possible that a simpler process of powder preparation must be explored. Sintering aids of various kinds were employed to increase the densities of the material to specifications.

Utilization of the Aluminum Nitride

Aluminum nitride can be used to create optical substances like nanotubes that can be used for chemical sensors. It can also be used as an substrate material for silicon processing. It is highly resistant to corrosion, oxidation, and molten metals. It's stable even at higher temperatures and in an inert environment.

Aluminum nitride is found in nearly every metal. It is a gray or white powder. It's insoluble in water as well as inorganic acids. However, it's unstable in a hydrogen atmosphere. Also, it is highly flammable.

It is utilized by mobile phone manufacturers to create"radio frequency filters. It is also employed in robotics and medical imaging. The piezoelectric properties it has are employed in bulk acoustic resonators.

There is a report that the bulk of ongoing research is focused on development of semiconductor (GaN or AlGaN) built LEDs that work in the ultra-violet, in which the wavelength is 250 nanometers. In May 2006 it was reported that a diode with inefficiency could emit light at around 210 nanometers. A single aluminum nitride crystal can have an energy gap as high as 6.2eV determined by the measurement of vacuum ultraviolet reflectance. Theoretically speaking, the energy gap allows waves with wavelengths on the order of 200 nanometers to traverse through. However, when you implement it commercially there are many hurdles that have to be overcome. Aluminum nitride is used in optoelectronics. This includes inductive layers used in optical storage interfaces, electronic substrates, chip carriers that have high thermal conductivity, and military applications.

Stretching epitaxially of AlN crystals is also used in surface acoustic waves detectors due to the properties and properties of AlN piezoelectric effects. The detectors are positioned within the silicon wave. Only a handful of places can safely make these films.

Aluminum nitride ceramics are strong in resistance to temperature changes and higher temperatures, a modest expansion coefficient, as well as good thermal conductivity. They can be utilized as heat exchangers materials for high-temperature structural parts.

Utilizing the corrosion resistance of aluminum, iron, and other metals and alloys aluminum nitride-based ceramics can serve as crucibles and casting molds for melting Al, Cu, Ag or Pb as well as other metals.

Aluminum nitride ceramic powder supplier in China

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