4.2 Article Proceedings Paper

Direct Measurements of the Electrocaloric Effect in Bulk PbMg1/3Nb2/3O3 (PMN) Ceramics

期刊

FERROELECTRICS
卷 421, 期 -, 页码 103-107

出版社

TAYLOR & FRANCIS LTD
DOI: 10.1080/00150193.2011.594742

关键词

Electrocaloric effect; relaxor ferroelectrics; bulk ceramics

资金

  1. Slovenian Research Agency [P1-0125, J1-9368, J1-2015]

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Electrocaloric effect (ECE), i.e., a reversibly change in the temperature of an electrocaloric material due to the adiabatically applied electric field, is very attractive phenomenon due to its applications, for example in electric refrigeration. The first observations of the giant ECE were based on indirect measurements of the electric polarization and not on direct measurements of the ECE itself. By using direct measurements of ECE we show existence of the giant ECE in PMN ceramics near the electric field-induced ferroelectric phase transition.

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