Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6242
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dc.contributorDepartment of Mechanical Engineering-
dc.creatorBai, Y-
dc.creatorDing, K-
dc.creatorZheng, G-
dc.creatorShi, SQ-
dc.creatorCao, JL-
dc.creatorQiao, L-
dc.date.accessioned2014-12-11T08:25:08Z-
dc.date.available2014-12-11T08:25:08Z-
dc.identifier.issn2158-3226 (online)-
dc.identifier.urihttp://hdl.handle.net/10397/6242-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Y. Bai et al., AIP Advances 2, 022162 (2012) and may be found at http://link.aip.org/link/?adv/2/022162en_US
dc.subjectBarium compoundsen_US
dc.subjectDielectric hysteresisen_US
dc.subjectDielectric polarisationen_US
dc.subjectEntropyen_US
dc.subjectFerroelectric materialsen_US
dc.subjectFerroelectric transitionsen_US
dc.subjectLatent heaten_US
dc.subjectPyroelectricityen_US
dc.titleThe electrocaloric effect around the orthorhombic- tetragonal first-order phase transition in BaTiO₃en_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage5-
dc.identifier.volume5-
dc.identifier.issue2-
dc.identifier.doi10.1063/1.4732146-
dcterms.abstractThis paper demonstrates the electrocaloric effect (ECE) around BaTiO₃'s orthorhombic-tetragonal first-order phase transition. By manipulating a field-induced transition of a metastable phase in the thermal hysteresis zone, a huge exothermic or endothermic peak appears after first applying or removing electric fields because of the energy change of lattice structure. A large ECE of ΔT/E = 1.4K·m/MV, equaling to latent heat, is achieved under 10kV/cm at 10°C. The entropy change for polarization ordering alone induces an ECE two orders of magnitude lower under the same condition. It confirms the dominant factor to ECE of the energy flow due to the structural phase transition.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationAIP advances, June 2012, v.5 no. 2, 022162 , p.1-5-
dcterms.isPartOfAIP advances-
dcterms.issued2012-06-
dc.identifier.isiWOS:000305831300063-
dc.identifier.scopus2-s2.0-84874058145-
dc.identifier.rosgroupidr58258-
dc.description.ros2011-2012 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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