Effect of electric hysteresis on fatigue behavior in antiferroelectric bulk ceramics under bipolar loading
dc.contributor.author | Mohapatra, Pratyasha | |
dc.contributor.author | Cui, Jun | |
dc.contributor.author | Johnson, Duane | |
dc.contributor.author | Tan, Xiaoli | |
dc.contributor.author | Johnson, Duane | |
dc.contributor.author | Tan, Xiaoli | |
dc.contributor.department | Materials Science and Engineering | |
dc.contributor.department | Chemical and Biological Engineering | |
dc.contributor.department | Ames National Laboratory | |
dc.contributor.department | Physics and Astronomy | |
dc.date.accessioned | 2021-12-09T16:37:58Z | |
dc.date.available | 2021-12-09T16:37:58Z | |
dc.date.issued | 2021 | |
dc.description.abstract | Antiferroelectric ceramics are exploited for applications in high energy-density capacitors due to their reversible electric-field-induced phase transitions. The difference in the fields between the forward and reverse transition is termed electric hysteresis. As accumulation of hysteresis loss is detrimental to antiferroelectric capacitors, especially in high-frequency applications, the effect of hysteresis on the long-term operation performance must be evaluated. We investigate the effect of hysteresis on fatigue behavior in two antiferroelectric ceramic compositions with comparable recoverable energy densities (0.56 vs. 0.64 J cm−3), having a large and small hysteresis of 23.9 kV cm−1 and 3.9 kV cm−1, respectively. In test cycles of 2.5 × 106 of ±60 kV cm−1 bipolar fields, the ceramic with large hysteresis exhibits a 72% decrease in the recoverable energy density and a 71% decrease in the energy efficiency. In contrast, the small hysteresis ceramic shows a 4.5% degradation in energy density and 0% degradation in energy efficiency. These results demonstrate that reducing the electric hysteresis of antiferroelectric capacitors is essential for higher energy efficiency and longer service lifetime. | |
dc.description.comments | This article is published as Mohapatra, Pratyasha, Duane D. Johnson, Jun Cui, and Xiaoli Tan. "Effect of electric hysteresis on fatigue behavior in antiferroelectric bulk ceramics under bipolar loading." Journal of Materials Chemistry C 9, no. 43 (2021): 15542-15551. DOI: 10.1039/D1TC03520G. Copyright 2021 The Royal Society of Chemistry. Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0). Posted with permission. | |
dc.identifier.uri | https://dr.lib.iastate.edu/handle/20.500.12876/6wBl1D6r | |
dc.language.iso | en | |
dc.publisher | Royal Society of Chemistry | |
dc.source.uri | https://doi.org/10.1039/D1TC03520G | * |
dc.subject.disciplines | DegreeDisciplines::Engineering::Materials Science and Engineering::Ceramic Materials | |
dc.subject.disciplines | DegreeDisciplines::Physical Sciences and Mathematics::Chemistry::Materials Chemistry | |
dc.title | Effect of electric hysteresis on fatigue behavior in antiferroelectric bulk ceramics under bipolar loading | |
dc.type | Article | |
dspace.entity.type | Publication | |
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