Electrocaloric effect
From Online Dictionary of Crystallography
Revision as of 09:41, 13 November 2017 by BrianMcMahon (talk | contribs) (Tidied translations and added German and Spanish (U. Mueller))
Revision as of 09:41, 13 November 2017 by BrianMcMahon (talk | contribs) (Tidied translations and added German and Spanish (U. Mueller))
Effet électrocalorique (Fr). Elektrokalorischer Effekt (Ge). Effetto electrocalorico (It). Efecto electrocalórico (Sp).
Definition
The electrocaloric effect is the converse of the pyroelectric effect: it describes the variation of entropy δσ of a material submitted to an applied electrical field Ei :
δσ = piT Ei
where piT is the electrocaloric coefficient at constant stress. It is equal to the pyroelectric coefficient.
See also
- Pyroelectricity
- An introduction to crystal physics (Teaching Pamphlet No. 18 of the International Union of Crystallography)
- Chapters 1.1.4 and Part 3 of International Tables for Crystallography, Volume D