Abstract
Only little data have been published on direct electrocaloric measurement of Pb(Mg1∕3Nb2∕3)O3–PbTiO3 (PMN-PT) ceramics. In this paper, the electrocaloric characteristics of 0.87PMN-0.13PT ceramic were determined by direct measurements. A strong transition in the electrocaloric effect was found at about 18°C, which is the same as the depolarization temperature Td. The maximum electrocaloric temperature rise was ΔT=0.558°C at TECm=70°C and E=2400kV∕m, well above the transition at Td=18°C. The existence of two maximums could be an indication of several mechanisms being responsible for the electrocaloric effect.
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Dates
Type | When |
---|---|
Created | 17 years, 4 months ago (April 2, 2008, 7:01 p.m.) |
Deposited | 2 years, 2 months ago (June 27, 2023, 3:23 p.m.) |
Indexed | 2 weeks, 5 days ago (Aug. 12, 2025, 6:23 p.m.) |
Issued | 17 years, 5 months ago (March 31, 2008) |
Published | 17 years, 5 months ago (March 31, 2008) |
Published Online | 17 years, 4 months ago (April 2, 2008) |
Published Print | 17 years, 5 months ago (March 31, 2008) |
@article{Hagberg_2008, title={Electrocaloric characteristics in reactive sintered 0.87Pb(Mg1∕3Nb2∕3)O3–0.13PbTiO3}, volume={92}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2905296}, DOI={10.1063/1.2905296}, number={13}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hagberg, Juha and Uusimäki, Antti and Jantunen, Heli}, year={2008}, month=mar }