The piezoelectric charge coefficient or piezoelectric modulus, usually written d₃₃, quantifies the volume change when a piezoelectric material is subject to an electric field, or the polarization on the application of stress. In general, piezoelectricity is described by a tensor of coefficients ${\displaystyle d_{ij}}$; see Piezoelectricity § Mechanism for further details.

See also

• List of piezoelectric materials

External links

• Table of properties for lead zirconate titanate
• Piezoelectric terminology
• Piezoelectric Constant (or coefficient); a simple explanation

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