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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202201333
|2 doi
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|a pubmed25n1130.xml
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|e rakwb
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|a eng
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|a Ge, Guanglong
|e verfasserin
|4 aut
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|a Tunable Domain Switching Features of Incommensurate Antiferroelectric Ceramics Realizing Excellent Energy Storage Properties
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|c 2022
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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
|b cr
|2 rdacarrier
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|a Date Revised 16.06.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a An incommensurate modulated antiferroelectric phase is a key part of ideal candidate materials for the next generation of dielectric ceramics with excellent energy storage properties. However, there is less research carried out when considering its relatively low polarization response. Here, the incommensurate phase is modulated by stabilizing the antiferroelectric phase and the energy storage performance of the incommensurate phase under ultrahigh electric field is studied. The tape-casting method is applied to construct dense and thin ceramics. La3+ doping induces a room-temperature incommensurate antiferroelectric orthorhombic matrix. With little Cd2+ , the extremely superior energy storage performances arose as follows: when 0.03, the recoverable energy storage density reaches ≈19.3 J cm-3 , accompanying an ultrahigh energy storage efficiency of ≈91% (870 kV cm-1 ); also, a giant discharge energy density of ≈15.4 J cm-3 emerges during actual operation. In situ observations demonstrate that these superior energy storage properties originate from the phase transition from the incommensurate antiferroelectric orthorhombic phase to the induced rhombohedral relaxor ferroelectric one. The adjustable incommensurate period affects the depolarization response. The revealed phase-transition mechanism enriches the existing antiferroelectric-ferroelectric transition. Attention to the incommensurate phase can provide a reference for the selection of the next generation of high-performance antiferroelectric materials
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|a Journal Article
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|a antiferroelectric ceramics
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|a dielectric ceramics
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|a energy storage
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| 650 |
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|a incommensurate modulation
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| 650 |
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4 |
|a relaxor ferroelectrics
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1 |
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|a Shi, Cheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Chukai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Yunjing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Fei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bai, Hairui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Jinfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Bo
|e verfasserin
|4 aut
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| 700 |
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|a Zhai, Jiwei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 24 vom: 27. Juni, Seite e2201333
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:24
|g day:27
|g month:06
|g pages:e2201333
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|u http://dx.doi.org/10.1002/adma.202201333
|3 Volltext
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