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Microscopic theory of the electrocaloric effect in the paraelectric phase of potassium dihydrogen phosphate

Dunne, LJ; Valant, M; Manos, G; Axelsson, AK; Alford, N; (2008) Microscopic theory of the electrocaloric effect in the paraelectric phase of potassium dihydrogen phosphate. APPL PHYS LETT , 93 (12) , Article 122906. 10.1063/1.2991443.

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Abstract

Here we present a microscopic theory of the electrocaloric effect in potassium dihydrogen phosphate, KH2PO4, based on Slater's lattice model. The model reproduces the essential features of the experimentally observed behavior and also gives a remarkably accurate description of the electric field dependence of the electrocaloric effect. The basic principle of the theory also gives guidelines for a theoretical analysis of other dielectrics and for the further development of materials with an enhanced electrocaloric effect. (C) 2008 American Institute of Physics.

Type: Article
Title: Microscopic theory of the electrocaloric effect in the paraelectric phase of potassium dihydrogen phosphate
DOI: 10.1063/1.2991443
Keywords: KH2PO4, MODEL
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/170709
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