Size-Induced Ferroelectricity in Antiferroelectric Oxide Membranes

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dc.citation.articleNumber2210562en_US
dc.citation.issueNumber17en_US
dc.citation.journalTitleAdvanced Materialsen_US
dc.citation.volumeNumber35en_US
dc.contributor.authorXu, Ruijuanen_US
dc.contributor.authorCrust, Kevin J.en_US
dc.contributor.authorHarbola, Varunen_US
dc.contributor.authorArras, Rémien_US
dc.contributor.authorPatel, Kinnary Y.en_US
dc.contributor.authorProsandeev, Sergeyen_US
dc.contributor.authorCao, Huien_US
dc.contributor.authorShao, Yu-Tsunen_US
dc.contributor.authorBehera, Piushen_US
dc.contributor.authorCaretta, Lucasen_US
dc.contributor.authorKim, Woo Jinen_US
dc.contributor.authorKhandelwal, Aarushien_US
dc.contributor.authorAcharya, Meghaen_US
dc.contributor.authorWang, Melody M.en_US
dc.contributor.authorLiu, Yinen_US
dc.contributor.authorBarnard, Edward S.en_US
dc.contributor.authorRaja, Archanaen_US
dc.contributor.authorMartin, Lane W.en_US
dc.contributor.authorGu, X. Wendyen_US
dc.contributor.authorZhou, Huaen_US
dc.contributor.authorRamesh, Ramamoorthyen_US
dc.contributor.authorMuller, David A.en_US
dc.contributor.authorBellaiche, Laurenten_US
dc.contributor.authorHwang, Harold Y.en_US
dc.date.accessioned2023-05-02T14:43:15Zen_US
dc.date.available2023-05-02T14:43:15Zen_US
dc.date.issued2023en_US
dc.description.abstractDespite extensive studies on size effects in ferroelectrics, how structures and properties evolve in antiferroelectrics with reduced dimensions still remains elusive. Given the enormous potential of utilizing antiferroelectrics for high-energy-density storage applications, understanding their size effects will provide key information for optimizing device performances at small scales. Here, the fundamental intrinsic size dependence of antiferroelectricity in lead-free NaNbO3 membranes is investigated. Via a wide range of experimental and theoretical approaches, an intriguing antiferroelectric-to-ferroelectric transition upon reducing membrane thickness is probed. This size effect leads to a ferroelectric single-phase below 40 nm, as well as a mixed-phase state with ferroelectric and antiferroelectric orders coexisting above this critical thickness. Furthermore, it is shown that the antiferroelectric and ferroelectric orders are electrically switchable. First-principle calculations further reveal that the observed transition is driven by the structural distortion arising from the membrane surface. This work provides direct experimental evidence for intrinsic size-driven scaling in antiferroelectrics and demonstrates enormous potential of utilizing size effects to drive emergent properties in environmentally benign lead-free oxides with the membrane platform.en_US
dc.identifier.citationXu, Ruijuan, Crust, Kevin J., Harbola, Varun, et al.. "Size-Induced Ferroelectricity in Antiferroelectric Oxide Membranes." <i>Advanced Materials,</i> 35, no. 17 (2023) Wiley: https://doi.org/10.1002/adma.202210562.en_US
dc.identifier.digital2023-Xuen_US
dc.identifier.doihttps://doi.org/10.1002/adma.202210562en_US
dc.identifier.urihttps://hdl.handle.net/1911/114862en_US
dc.language.isoengen_US
dc.publisherWileyen_US
dc.rightsThis is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/en_US
dc.titleSize-Induced Ferroelectricity in Antiferroelectric Oxide Membranesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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