Size-Induced Ferroelectricity in Antiferroelectric Oxide Membranes

Size-Induced Ferroelectricity in Antiferroelectric Oxide Membranes

© 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 17 vom: 06. Apr., Seite e2210562
1. Verfasser: Xu, Ruijuan (VerfasserIn)
Weitere Verfasser: Crust, Kevin J, Harbola, Varun, Arras, Rémi, Patel, Kinnary Y, Prosandeev, Sergey, Cao, Hui, Shao, Yu-Tsun, Behera, Piush, Caretta, Lucas, Kim, Woo Jin, Khandelwal, Aarushi, Acharya, Megha, Wang, Melody M, Liu, Yin, Barnard, Edward S, Raja, Archana, Martin, Lane W, Gu, X Wendy, Zhou, Hua, Ramesh, Ramamoorthy, Muller, David A, Bellaiche, Laurent, Hwang, Harold Y
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article antiferroelectric materials membranes phase transition size effects sodium niobate
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520 |a Despite 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 
650 4 |a Journal Article 
650 4 |a antiferroelectric materials 
650 4 |a membranes 
650 4 |a phase transition 
650 4 |a size effects 
650 4 |a sodium niobate 
700 1 |a Crust, Kevin J  |e verfasserin  |4 aut 
700 1 |a Harbola, Varun  |e verfasserin  |4 aut 
700 1 |a Arras, Rémi  |e verfasserin  |4 aut 
700 1 |a Patel, Kinnary Y  |e verfasserin  |4 aut 
700 1 |a Prosandeev, Sergey  |e verfasserin  |4 aut 
700 1 |a Cao, Hui  |e verfasserin  |4 aut 
700 1 |a Shao, Yu-Tsun  |e verfasserin  |4 aut 
700 1 |a Behera, Piush  |e verfasserin  |4 aut 
700 1 |a Caretta, Lucas  |e verfasserin  |4 aut 
700 1 |a Kim, Woo Jin  |e verfasserin  |4 aut 
700 1 |a Khandelwal, Aarushi  |e verfasserin  |4 aut 
700 1 |a Acharya, Megha  |e verfasserin  |4 aut 
700 1 |a Wang, Melody M  |e verfasserin  |4 aut 
700 1 |a Liu, Yin  |e verfasserin  |4 aut 
700 1 |a Barnard, Edward S  |e verfasserin  |4 aut 
700 1 |a Raja, Archana  |e verfasserin  |4 aut 
700 1 |a Martin, Lane W  |e verfasserin  |4 aut 
700 1 |a Gu, X Wendy  |e verfasserin  |4 aut 
700 1 |a Zhou, Hua  |e verfasserin  |4 aut 
700 1 |a Ramesh, Ramamoorthy  |e verfasserin  |4 aut 
700 1 |a Muller, David A  |e verfasserin  |4 aut 
700 1 |a Bellaiche, Laurent  |e verfasserin  |4 aut 
700 1 |a Hwang, Harold Y  |e verfasserin  |4 aut 
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