High dielectric tunability, electrostriction strain and electrocaloric strength at a tricritical point of tetragonal, rhombohedral and pseudocubic phases

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dc.contributor.authorPeng, Biaolin
dc.contributor.authorZhang, Qi
dc.contributor.authorLi, Tieyu
dc.contributor.authorKe, Shanming
dc.contributor.authorYe, Mao
dc.contributor.authorWang, Yu
dc.contributor.authorNiu, Hanben
dc.contributor.authorZeng, Xierong
dc.contributor.authorFan, Huiqing
dc.contributor.authorHuang, Haitao
dc.date.accessioned2016-10-04T10:48:28Z
dc.date.available2016-10-04T10:48:28Z
dc.date.issued2015-06-16
dc.description.abstractA relaxor ferroelectric Pb(Ni1/3Nb2/3)0.5Zr0.15Ti0.35O3 (PNNZT) ceramic was reported, designed upon an idea that the composition is selected to near a tricritical point of tetragonal, rhombohedral and pseudocubic phases. High dielectric tunability of 67%, simultaneously with high electrostriction strain of 0.319% and high electrocaloric strength (ΔT/ΔE) of 32.5 mK cm/kV are achieved, which make it a promising multifunctional material for applications in dielectric tunable, precisely controlled and electric refrigeration devices. This is endowed by the low energy barrier among the transitions of phases and strong relaxor ferroelectric activities around the tricritical point. This work provides a guide for the design of multifunctional ferroelectric materials and can promote the development of other multifunctional ferroic materials.en_UK
dc.identifier.citationZeng X et al. High dielectric tunability, electrostriction strain and electrocaloric strength at a tricritical point of tetragonal, rhombohedral and pseudocubic phases, Journal of Alloys and Compounds, Volume 646, 15 October 2015, pp. 597–602en_UK
dc.identifier.issn0925-8388
dc.identifier.urihttps://doi.org/10.1016/j.jallcom.2015.05.133
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/10654
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectdielectric tenabilityen_UK
dc.subjectelectrostrictionen_UK
dc.subjectelectrocaloricen_UK
dc.subjectrelaxoren_UK
dc.subjectmorphotropic phase boundaryen_UK
dc.titleHigh dielectric tunability, electrostriction strain and electrocaloric strength at a tricritical point of tetragonal, rhombohedral and pseudocubic phasesen_UK
dc.typeArticleen_UK

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