Fundamentals of Piezo Technology
can be represented by an electrical equivalent circuit diagram. C 0 is the capacitance of the dielectric. The series circuit, consisting of C 1 , L 1 , and R 1 , describes the change in the mechanical properties [...] of the unit cells of the crystal lattice, i.e. a polar axis that forms below the Curie temperature T C , is a sufficient prerequisite for the effect to occur. Piezoelectric ceramics additionally have a [...] ly optimize piezoelectric and dielectric parameters. At temperatures below the Curie temperature T C , the lattice structure of the PZT crystallites becomes distorted and asymmetric. This brings about