piezoelectric effect

All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic Share Topic
views updated

piezoelectric effect Creation of positive electric charge on one side of a nonconducting crystal and negative charge on the other when the crystal is squeezed. The pressure results in an electric field that can be detected as voltage between the opposite crystal faces. The effect has been used in gramophone pickups, crystal microphones, and cigarette lighters.

More From Encyclopedia.com


MORE ON THIS TOPIC