Piezoelectricity
Piezoelectricity - When these crystals are subjected to mechanical stress, electricity is produced due to displacement of ions. The electricity thus produced is called piezoelectricity. But if an electric field is applied to these crystal there will be atomic displacement causin..
Piezoelectricity
When these crystals are subjected to mechanical stress, electricity is produced due to displacement of ions. The electricity thus produced is called piezoelectricity. But if an electric field is applied to these crystal there will be atomic displacement causing mechanical strai..
Ferroelectricity
In some piezoelectric crystals the dipoles are permanently lined up even in the absence of an electric field. However, on applying electric field the direction of polarization changes. Example: Barium titanate (BaTiO 3 ), Sodium potassium tartrate (Rochelle Salt) and Potassium dihydrogen..
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