Periodic Wrinkle-Patterned Single-Crystalline Ferroelectric Oxide Membranes with Enhanced Piezoelectricity

Periodic Wrinkle-Patterned Single-Crystalline Ferroelectric Oxide Membranes with Enhanced Piezoelectricity

© 2020 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 50 vom: 30. Dez., Seite e2004477
1. Verfasser: Dong, Guohua (VerfasserIn)
Weitere Verfasser: Li, Suzhi, Li, Tao, Wu, Haijun, Nan, Tianxiang, Wang, Xiaohua, Liu, Haixia, Cheng, Yuxin, Zhou, Yuqing, Qu, Wanbo, Zhao, Yifan, Peng, Bin, Wang, Zhiguang, Hu, Zhongqiang, Luo, Zhenlin, Ren, Wei, Pennycook, Stephen J, Li, Ju, Sun, Jun, Ye, Zuo-Guang, Jiang, Zhuangde, Zhou, Ziyao, Ding, Xiangdong, Min, Tai, Liu, Ming
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article ferroelectrics flexoelectricity freestanding oxides piezoelectricity wrinkles
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520 |a Self-assembled membranes with periodic wrinkled patterns are the critical building blocks of various flexible electronics, where the wrinkles are usually designed and fabricated to provide distinct functionalities. These membranes are typically metallic and organic materials with good ductility that are tolerant of complex deformation. However, the preparation of oxide membranes, especially those with intricate wrinkle patterns, is challenging due to their inherently strong covalent or ionic bonding, which usually leads to material crazing and brittle fracture. Here, wrinkle-patterned BaTiO3 (BTO)/poly(dimethylsiloxane) membranes with finely controlled parallel, zigzag, and mosaic patterns are prepared. The BTO layers show excellent flexibility and can form well-ordered and periodic wrinkles under compressive in-plane stress. Enhanced piezoelectricity is observed at the sites of peaks and valleys of the wrinkles where the largest strain gradient is generated. Atomistic simulations further reveal that the excellent elasticity and the correlated coupling between polarization and strain/strain gradient are strongly associated with ferroelectric domain switching and continuous dipole rotation. The out-of-plane polarization is primarily generated at compressive regions, while the in-plane polarization dominates at the tensile regions. The wrinkled ferroelectric oxides with differently strained regions and correlated polarization distributions would pave a way toward novel flexible electronics 
650 4 |a Journal Article 
650 4 |a ferroelectrics 
650 4 |a flexoelectricity 
650 4 |a freestanding oxides 
650 4 |a piezoelectricity 
650 4 |a wrinkles 
700 1 |a Li, Suzhi  |e verfasserin  |4 aut 
700 1 |a Li, Tao  |e verfasserin  |4 aut 
700 1 |a Wu, Haijun  |e verfasserin  |4 aut 
700 1 |a Nan, Tianxiang  |e verfasserin  |4 aut 
700 1 |a Wang, Xiaohua  |e verfasserin  |4 aut 
700 1 |a Liu, Haixia  |e verfasserin  |4 aut 
700 1 |a Cheng, Yuxin  |e verfasserin  |4 aut 
700 1 |a Zhou, Yuqing  |e verfasserin  |4 aut 
700 1 |a Qu, Wanbo  |e verfasserin  |4 aut 
700 1 |a Zhao, Yifan  |e verfasserin  |4 aut 
700 1 |a Peng, Bin  |e verfasserin  |4 aut 
700 1 |a Wang, Zhiguang  |e verfasserin  |4 aut 
700 1 |a Hu, Zhongqiang  |e verfasserin  |4 aut 
700 1 |a Luo, Zhenlin  |e verfasserin  |4 aut 
700 1 |a Ren, Wei  |e verfasserin  |4 aut 
700 1 |a Pennycook, Stephen J  |e verfasserin  |4 aut 
700 1 |a Li, Ju  |e verfasserin  |4 aut 
700 1 |a Sun, Jun  |e verfasserin  |4 aut 
700 1 |a Ye, Zuo-Guang  |e verfasserin  |4 aut 
700 1 |a Jiang, Zhuangde  |e verfasserin  |4 aut 
700 1 |a Zhou, Ziyao  |e verfasserin  |4 aut 
700 1 |a Ding, Xiangdong  |e verfasserin  |4 aut 
700 1 |a Min, Tai  |e verfasserin  |4 aut 
700 1 |a Liu, Ming  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 32(2020), 50 vom: 30. Dez., Seite e2004477  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:32  |g year:2020  |g number:50  |g day:30  |g month:12  |g pages:e2004477 
856 4 0 |u http://dx.doi.org/10.1002/adma.202004477  |3 Volltext 
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