Improved electrocaloric effect in (100)-oriented Pb0.97La0.02(Zr0.57Sn0.38Ti0.05)O3 antiferroelectric thick film by interface engineering

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dc.contributor.authorZhao, Ye
dc.contributor.authorHao, Xihong
dc.contributor.authorZhang, Qi
dc.date.accessioned2016-10-04T11:03:30Z
dc.date.available2016-10-04T11:03:30Z
dc.date.issued2015-09-09
dc.description.abstractIn this work, 1.5-μm Pb0.97La0.02(Zr0.57Sn0.38Ti0.05)O3 antiferroelectric thick films with and without a ZrO2 thin layer were deposited on LaNiO3(100)/Si(100) substrates. The effects of ZrO2 thin layer on the microstructure, electrical properties, and especial electrocaloric effect of the antiferroelectric films were studied in detail. Although the films both with and without ZrO2 buffer layer displayed (100)-preferred orientation, possessed dense and uniform surface microstructure, the ZrO2-buffered films have an enlarged grain size by 27%, compared with the thick films without the buffer layer. Accordingly, the dielectric constant and saturate polarization of this antiferroelectric thick films was improved by the insertion of ZrO2 thin layer, and simultaneously its leakage current was slightly reduced. As a result, a great improvement in cooling character caused by ferroelectric–antiferroelectric phase switching, was realized in the ZrO2-buffered films.en_UK
dc.identifier.citationZhao Y, Hao X, Zhang Q, Improved electrocaloric effect in (100)-oriented Pb0.97La0.02(Zr0.57Sn0.38Ti0.05)O3 antiferroelectric thick film by interface engineering, Journal of Alloys and Compounds, Volume 653, 25 December 2015, Pages 260–265.en_UK
dc.identifier.isbnhttp://dx.doi.org/10.1016/j.jallcom.2015.09.034
dc.identifier.issn0925-8388
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/10656
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-Non-Commercial-No Derivatives 3.0 Unported (CC BY-NC-ND 3.0). You are free to: Share — copy and redistribute the material in any medium or format. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: Non-Commercial — You may not use the material for commercial purposes. No Derivatives — If you remix, transform, or build upon the material, you may not distribute the modified material. No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
dc.subjectantiferroelectricen_UK
dc.subjectthick filmsen_UK
dc.subjectelectrocaloric effecten_UK
dc.subjectinterface engineeringen_UK
dc.titleImproved electrocaloric effect in (100)-oriented Pb0.97La0.02(Zr0.57Sn0.38Ti0.05)O3 antiferroelectric thick film by interface engineeringen_UK
dc.typeArticleen_UK

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