Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/109873
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dc.contributorDepartment of Applied Physics-
dc.contributorResearch Institute for Smart Energy-
dc.creatorMa, L-
dc.creatorChen, Z-
dc.creatorLuo, G-
dc.creatorChe, Z-
dc.creatorXu, C-
dc.creatorShan, D-
dc.creatorCen, Z-
dc.creatorFeng, Q-
dc.creatorChen, X-
dc.creatorFujita, T-
dc.creatorZhu, Y-
dc.creatorLiu, Y-
dc.creatorLi, JF-
dc.creatorZhang, S-
dc.creatorLuo, N-
dc.date.accessioned2024-11-20T07:30:06Z-
dc.date.available2024-11-20T07:30:06Z-
dc.identifier.urihttp://hdl.handle.net/10397/109873-
dc.language.isoenen_US
dc.publisherElsevier BVen_US
dc.rights© 2023 The Authors. Published by Elsevier B.V. on behalf of The Chinese Ceramic Society. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).en_US
dc.rightsThe following publication Ma, L., Chen, Z., Luo, G., Che, Z., Xu, C., Shan, D., Cen, Z., Feng, Q., Chen, X., Fujita, T., Zhu, Y., Liu, Y., Li, J.-F., Zhang, S., & Luo, N. (2024). High energy storage density in NaNbO3 antiferroelectrics with double hysteresis loop. Journal of Materiomics, 10(5), 1026-1035 is available at https://doi.org/10.1016/j.jmat.2023.11.003.en_US
dc.subjectAntiferroelectricsen_US
dc.subjectDouble hysteresis loopen_US
dc.subjectEnergy storage performanceen_US
dc.subjectReversibilityen_US
dc.subjectSodium niobateen_US
dc.titleHigh energy storage density in NaNbO₃ antiferroelectrics with double hysteresis loopen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1026-
dc.identifier.epage1035-
dc.identifier.volume10-
dc.identifier.issue5-
dc.identifier.doi10.1016/j.jmat.2023.11.003-
dcterms.abstractAntiferroelectrics (AFEs) possess great potential for high performance dielectric capacitors, due to their distinct double hysteresis loop with high maximum polarization and low remnant polarization. However, the well-known NaNbO3 lead-free antiferroelectric (AFE) ceramic usually exhibits square-like P–E loop related to the irreversible AFE P phase to ferroelectric (FE) Q phase transition, yielding low recoverable energy storage density (Wrec). Herein, significantly improved Wrec up to 3.3 J/cm3 with good energy storage efficiency (η) of 42.4% was achieved in Na0.7Ag0.3Nb0.7Ta0.3O3 (30Agsingle bond30Ta) ceramic with well-defined double P–E loop, by tailoring the A-site electronegativity with Ag+ and B-site polarizability with Ta5+. The Transmission Electron Microscope, Piezoresponse Force Microscope and in-situ Raman spectra results verified a good reversibility between AFE P phase and high-field-induced FE Q phase. The improved stability of AFE P phase, being responsible for the double P–E loop and improved Wrec, was attributed to the decreased octahedral tilting angles and cation displacements. This mechanism was revealed by synchrotron X-ray diffraction and Scanning Transmission Electron microscope. This work provides a good paradigm for achieving double P–E loop and high energy storage density in NaNbO3-based ceramics.-
dcterms.abstractGraphical abstract: [Figure not available: see fulltext.]-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of materiomics, Sept 2024, v. 10, no. 5, p. 1026-1035-
dcterms.isPartOfJournal of materiomics-
dcterms.issued2024-09-
dc.identifier.scopus2-s2.0-85182585195-
dc.identifier.eissn2352-8478-
dc.description.validate202411 bcch-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_Scopus/WOSen_US
dc.description.fundingSourceRGCen_US
dc.description.fundingSourceOthersen_US
dc.description.fundingTextNational Natural Science Foundation of China; Guangxi Natural Science Fund for Distinguished Young Scholars; Tsinghua-Foshan Innovation Special Fund (TFISF); Hunan Provincial Natural Science Foundation of Chinaen_US
dc.description.pubStatusPublisheden_US
dc.description.oaCategoryCCen_US
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