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Issue 1, 2013
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Pyroelectric and electrocaloric materials

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Both the pyroelectric and electrocaloric effects originate from the cross-coupling between polarization and temperature in insulating dielectrics. Although both effects have been studied for many decades for various applications and large pyroelectric effect has been observed in many polar-dielectrics, it is only very recently that a large electrocaloric effect (ECE) was obtained in ferroelectric ceramic thin films and polymers, which revives the interest in the ECE. This review will summarize typical properties of pyroelectric and electrocaloric materials, present figures of merit for both phenomena, examine the relationship between the pyroelectric and electrocaloric effect. Moreover, we will also present theoretical works, experimental results, and material modifications to achieve large responses in electrocaloric materials.

Graphical abstract: Pyroelectric and electrocaloric materials

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The article was received on 26 Sep 2012, accepted on 26 Sep 2012 and first published on 23 Oct 2012

Article type: Feature Article
DOI: 10.1039/C2TC00283C
Citation: J. Mater. Chem. C, 2013,1, 23-37
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    Pyroelectric and electrocaloric materials

    X. Li, S. Lu, X. Chen, H. Gu, X. Qian and Q. M. Zhang, J. Mater. Chem. C, 2013, 1, 23
    DOI: 10.1039/C2TC00283C

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