Piezoelectric materials Creative Commons, Attribution alone (BY)
Authors: Jozef Stefan Institute
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Piezoelectric materials are materials that generate an electrical charge on a surface resulting from an applied mechanical force. The phenomenon is called direct piezoelectric effect. There is also the converse piezoelectric effect, where material is mechanically deformed as a result of an applied electrical field. In general, this implies the ability of a material to change mechanical energy into electricity and vice versa.