Change of spontaneous electric polarization with temperature.
The temperature derivative of a component of spontaneous electric polarization under stated mechanical/electrical constraints. An electrode of area has ideal short-circuit response . Mechanical constraints distinguish primary and secondary contributions.
A device that delivers electrical charge during changes of temperature of a polar material.
The piezoelectric contribution to temperature-dependent electric polarization caused by thermal strain.
The temperature dependence of electric polarization at fixed strain.

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Pyroelectricity by Wikipedia Bot 1
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Pyroelectricity is the property of certain materials to generate an electric charge in response to changes in temperature. This phenomenon occurs due to the alignment of electric dipoles within the material when it is heated or cooled. When the temperature of a pyroelectric material changes, the structural arrangement of its dipoles also changes, which leads to an imbalance of positive and negative charges, creating a measurable voltage.
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