Piezoelectric coefficient

The piezoelectric 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 dij; see Piezoelectricity § Mechanism for further details.

## External links

* List of piezoelectric materials
* Table of properties for lead zirconate titanate
* Piezoelectric terminology
* Piezoelectric Constant (or coefficient); a simple explanation

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