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Xi'an Zhiyue Material Tech. Co., Ltd.
Xi'an Zhiyue Material Tech. Co., Ltd.

Aluminum Nitride Target (AlN)

Aluminum nitride (AlN) is a solid nitride of aluminum. It has a high thermal conductivity of up to 285 W/(m-K) and is an electrical insulator. Its wafenite phase (w-AlN) has a bandgap of ~6 eV at room temperature, which has potential applications in optoelectronics at deep ultraviolet frequencies.


Purity: 99.9%  

CAS: 24304-00-5

  • aluminum nitride plate
  • aluminum nitride plate

Application of Aluminum Nitride Target (AlN)

1

Due to the piezoelectric properties of AlN, epitaxial grown thin film crystalline aluminum nitride is used for surface acoustic wave sensors (SAW) deposited on silicon wafers. One application is a radio frequency filter widely used in mobile phones, which is called a thin film bulk acoustic resonator (FBAR). This is a MEMS device that uses aluminum nitride sandwiched between two metal layers.

2

Aluminum nitride is also used to construct piezoelectric micromechanical ultrasonic transducers, which emit and receive ultrasonic waves and can be used for aerial ranging up to one meter.

3

The metallization method can enable AlN to be used for electronic applications similar to alumina and beryllium oxide. AlN nanotubes, as inorganic quasi one-dimensional nanotubes with electrons such as carbon nanotubes, have been proposed as chemical sensors for toxic gases.

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