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acoustoelectric effect |
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acoustoelectric effect [ə‚küs·tō·ə′lek·trik i‚fekt] (electronics) The development of a direct-current voltage in a semiconductor or metal by an acoustic wave traveling parallel to the surface of the material. Also known as electroacoustic effect. The amplification of a sound wave propagating in a piezoelectric semiconductor subject to a steady electric field that is strong enough that the resulting electron drift velocity exceeds the speed of sound. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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