Devices designed to exhibit this effect are often made of the same materials as capacitor dielectrics, such as lead zirconate titanate and lead magnesium niobate.  
Devices designed to exhibit this effect are often made of the same materials as capacitor dielectrics, such as lead zirconate titanate and lead magnesium niobate.  Discovered in 1880 by Pierre and Paul-Jacques Curie, it has a magnetic analogue called magnetostriction.  It is useful in micro positioning devices, and materials exhibiting its converse effect can act as transducers in SONAR and ultrasound.  It occurs only in crystals without a center of symmetry, which allows small displacements in ions in the crystal lattice and redistribution of electric charge.  Famously exhibited by quartz, FTP name this effect in which deformation of a crystal produces a voltage.
Devices designed to exhibit this effect are often made of the same materials as capacitor dielectrics, such as lead zirconate titanate and lead magnesium niobate.  
piezoelectricity or piezoelectric effect