Effects of surface morphology on retention loss of ferroelectric domains in poly(vinylidenefluoride-co-trifluoroethylene) thin films
Abstract
Effects of surface morphology on the retention loss of ferroelectric domains of poly(vinylidenefluoride-co-trifluoroethylene) thin films were investigated using piezoresponse force microscopy. We found that the retention loss occurred by nucleation of opposite domains at the regions with morphological gradients between 0.079 and 0.146. In addition, we observed collective decreases in piezoresponse amplitude of the opposite domains after 0.8 × 106 s, although each reversed domain showed different growth rate as evidenced by different threshold time for phase reversal. These results suggest that the surface morphology has a strong influence in determining the nucleation and growth kinetics by which the retention loss occurs.
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The retention time of P(VDF-TrFE) fabricated in the same method as the present patch is known as 0.8 × 106 seconds.
“The retention time of P(VDF-TrFE) fabricated in a same method of the present patch is known as 0.8 × 106 seconds61.”
From A Flexible and Wearable Human Stress Monitoring Patch (2016) · cites this paper as [61]
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Effects of Humidity and Domain Polarity on Retention Loss in Ferroelectric P(VDF-TrFE) Thin Films
Kim, S., Kim, Y., Park, K., Hong, J., & Jun, B. (2020) · Journal of the Korean Physical Society · doi:10.3938/jkps.77.78
- Authors
- Choi, H., Hong, S., Sung, T.-H., & No, K.
- Affiliations
- Argonne National Laboratory (US)
- Hanyang University 3 Department of Electrical Engineering, , Seoul 133-791, Korea
- Korea Advanced Institute of Science and Technology (KR)
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2011-08-29
- Volume
- 99
- Issue
- 9
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2000479272
- Cited by
- 10
- References
- 12
- Citations by year
- 2021: 2 · 2020: 2 · 2016: 1 · 2014: 1 · 2013: 1 · 2012: 2
- FWCI
- 0.79
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Applied Physics Letters (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Ferroelectric and Piezoelectric Materials
- Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Ferroelectric and Negative Capacitance Devices
- Keywords
- poly(vinylidene fluoride-trifluoroethylene), P(VDF-TrFE), ferroelectric domains, retention loss, surface morphology, domain nucleation, domain growth kinetics, morphological gradient, piezoresponse, phase reversal, thin films
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