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241031s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202413713
|2 doi
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|a pubmed25n1264.xml
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|a (DE-627)NLM379652544
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|a (NLM)39478642
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhuo, Fangping
|e verfasserin
|4 aut
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| 245 |
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|a Unlocking Electrostrain in Plastically Deformed Barium Titanate
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 28.12.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Achieving substantial electrostrain alongside a large effective piezoelectric strain coefficient (d33*) in piezoelectric materials remains a formidable challenge for advanced actuator applications. Here, a straightforward approach to enhance these properties by strategically designing the domain structure and controlling the domain switching through the introduction of arrays of ordered {100}<100> dislocations is proposed. This dislocation engineering yields an intrinsic lock-in steady-state electrostrain of 0.69% at a low field of 10 kV cm-1 without external stress and an output strain energy density of 5.24 J cm-3 in single-crystal BaTiO3, outperforming the benchmark piezoceramics and relaxor ferroelectric single-crystals. Additionally, applying a compression stress of 6 MPa fully unlocks electrostrains exceeding 1%, yielding a remarkable d33* value over 10 000 pm V-1 and achieving a record-high strain energy density of 11.67 J cm-3. Optical and transmission electron microscopy, paired with laboratory and synchrotron X-ray diffraction, is employed to rationalize the observed electrostrain. Phase-field simulations further elucidate the impact of charged dislocations on domain nucleation and domain switching. These findings present an effective and sustainable strategy for developing high-performance, lead-free piezoelectric materials without the need for additional chemical elements, offering immense potential for actuator technologies
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|a Journal Article
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|a ordered dislocations
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|a piezoelectric actuator
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|a plastic deformation
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|a strain
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|a Wang, Bo
|e verfasserin
|4 aut
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|a Cheng, Long
|e verfasserin
|4 aut
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|a Zatterin, Edoardo
|e verfasserin
|4 aut
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|a Jiang, Tianshu
|e verfasserin
|4 aut
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|a Ni, Fan
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|a Breckner, Patrick
|e verfasserin
|4 aut
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|a Li, Yan
|e verfasserin
|4 aut
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| 700 |
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|a Guiblin, Nicolas
|e verfasserin
|4 aut
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|a Isaia, Daniel
|e verfasserin
|4 aut
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|a Luo, Nengneng
|e verfasserin
|4 aut
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|a Fulanovic, Lovro
|e verfasserin
|4 aut
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|a Molina-Luna, Leopoldo
|e verfasserin
|4 aut
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|a Dkhil, Brahim
|e verfasserin
|4 aut
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|a Chen, Long-Qing
|e verfasserin
|4 aut
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|a Rödel, Jürgen
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 52 vom: 31. Dez., Seite e2413713
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:52
|g day:31
|g month:12
|g pages:e2413713
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|u http://dx.doi.org/10.1002/adma.202413713
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 36
|j 2024
|e 52
|b 31
|c 12
|h e2413713
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