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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 (Pb-0.98,La-0.02)(Zr-0.95,Ti-0.05)O-3 (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/cm(3) with an efficiency of 73% was obtained at the low electric field, and a high ESD of 22 J/cm(3) with an efficiency of 33% was achieved at the high electric field. Such energy storage performances could be maintained after 10(3) 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.
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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 Discipline: MATERIALS SCIENCE;
ESI HC Threshold:91
JCR Journal Grade:3
CAS Journal Grade:3
Cited Count:
SCOPUS Cited Count: 3
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
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