Acousto-electronics

Summary

Acousto-electronics (also spelled 'Acoustoelectronics') is a branch of physics, acoustics and electronics that studies interactions of ultrasonic and hypersonic waves in solids with electrons and with electro-magnetic fields. Typical phenomena studied in acousto-electronics are acousto-electric effect and also amplification of acoustic waves by flows of electrons in piezoelectric semiconductors, when the drift velocity of the electrons exceeds the velocity of sound. The term 'acousto-electronics' is often understood in a wider sense to include numerous practical applications of the interactions of electro-magnetic fields with acoustic waves in solids. In particular, these are signal processing devices using surface acoustic waves (SAW), different sensors of temperature, pressure, humidity, acceleration, etc.

See alsoEdit

Further readingEdit

  • White, D.L., Amplification of ultrasonic waves in piezoelectric semiconductors, Journal of Applied Physics, 33(8), 2547 - 2554 (1962).
  • Hickernell, F.S., The piezoelectric semiconductor and acoustoelectronic device development in the sixties, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 52(5), 737-45 (2005).
  • Gulyaev, Yu.V., Hickernell, F.S., Acoustoelectronics: History, present state, and new ideas for a new era, Acoustical Physics, 51(1), 81-88 (2005).

External linksEdit

  • Consortium for Applied Acoustoelectronic Technology - University of Central Florida