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Abstract:
Flexible antiferroelectric (AFE) thin film capacitors are important for foldable and wearable electronics. This work demonstrates a direct epitaxial lift-off method to fabricate flexible epitaxial AFE thin film capacitors using (Pb0.98,La0.02)(Zr0.95,Ti0.05)O3 (PLZT) as an example. The flexible PLZT thin film showed the tetragonal structure with coexisting ferroelectricity and antiferroelectricity. An energy storage density (ESD) of 2.6 J/cm3 with an efficiency of 73% was obtained at the low electric field, and a high ESD of 22 J/cm3 with an efficiency of 33% was achieved at the high electric field. Such energy storage performances could be maintained after 103 bending cycles and 105 charging/discharging cycles. This simple method can be used to compose flexible epitaxial thin film capacitors and even other flexible thin film devices. © 2022
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Thin Solid Films
ISSN: 0040-6090
Year: 2022
Volume: 751
2 . 1
JCR@2022
2 . 0 0 0
JCR@2023
ESI HC Threshold:91
JCR Journal Grade:3
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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