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Intrinsic and extrinsic nature of the giant piezoelectric effect in the initial poling of PMN-PT
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Nisbet, A. G. A., Fabrizi, F., Vecchini, S. C., Stewart, M., Cain, M. G., Hase, Thomas P. A., Finkel, P., Grover, S., Grau-Crespo, R. and Collins, S. P. (2021) Intrinsic and extrinsic nature of the giant piezoelectric effect in the initial poling of PMN-PT. Physical Review Materials, 5 (12). L120601. doi:10.1103/PhysRevMaterials.5.L120601 ISSN 2475-9953.
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Official URL: http://dx.doi.org/10.1103/PhysRevMaterials.5.L1206...
Abstract
Demonstrating both the intrinsic and extrinsic nature of the giant piezoelectric effect (GPE) in complex solid solutions, near the morphotropic phase boundary, has been extremely challenging until now, because such materials exhibit multiple phases on the order of tens of microns across, meaning important information is lost due to averaging when using established high resolution diffraction techniques to extract three dimensional structural information. We have used a different approach proposed by Nisbet et al. [Acta Crystallogr. Sect. A 71, 20 (2015)], which has been adapted to differentiate between spatially adjacent phases and simultaneously track the evolution of those phases in response to electric fields. As a result, we have identified three environment specific GPEs. The first of these is a GPE which is an order of magnitude greater than previously reported for a given change in field. This is observed during a tetragonal-monoclinic transition in a multiphasic environment. A secondary, large GPE is observed in the neighboring, nontransitioning, monoclinic phase due to stress biasing, and a more typical GPE is observed when the system becomes monophasic. Our results demonstrate the simultaneous and complex interplay of intrinsic and extrinsic factors contributing to the GPE which is likely to have implications for device manufacture and miniaturization.
Item Type: | Journal Article | ||||||||||||||||||
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Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Piezoelectricity, Field-effect transistors | ||||||||||||||||||
Journal or Publication Title: | Physical Review Materials | ||||||||||||||||||
Publisher: | American Physical Society | ||||||||||||||||||
ISSN: | 2475-9953 | ||||||||||||||||||
Official Date: | 17 December 2021 | ||||||||||||||||||
Dates: |
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Volume: | 5 | ||||||||||||||||||
Number: | 12 | ||||||||||||||||||
Article Number: | L120601 | ||||||||||||||||||
DOI: | 10.1103/PhysRevMaterials.5.L120601 | ||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||||||||
Date of first compliant deposit: | 4 February 2022 | ||||||||||||||||||
Date of first compliant Open Access: | 4 February 2022 | ||||||||||||||||||
RIOXX Funder/Project Grant: |
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