Piezoelectric materials are a class of materials in which structural deformation
triggers electrical potential and vice versa.
They are widely used for a variety of applications such as load cells, hearing aids,
accelerometers, pressure-sensors, MEMS (Micro Electromechanical systems) in industries
such as Acoustics, Aerospace, Automotive, Biomedical, Oil and Gas among others.
Figure 1. (a) A piezoelectric material subject to structural loading (applied stress)
generates electric potential. Conversely, (b) when electric potential is
applied, it induces mechanical strain