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Piezoelectric mimicry of flexoelectricity

Author
Abdollahi, A.; Vasquez Sancho, F.; Catalan, G.
Type of activity
Journal article
Journal
Physical review letters
Date of publication
2018-11-15
Volume
121
Number
20
First page
1
Last page
5
DOI
https://doi.org/10.1103/PhysRevLett.121.205502 Open in new window
Repository
http://hdl.handle.net/2117/125488 Open in new window
URL
https://link.aps.org/doi/10.1103/PhysRevLett.121.205502 Open in new window
Abstract
The origin of “giant” flexoelectricity, orders of magnitude larger than theoretically predicted, yet frequently observed, is under intense scrutiny. There is mounting evidence correlating giant flexoelectriclike effects with parasitic piezoelectricity, but it is not clear how piezoelectricity (polarization generated by strain) manages to imitate flexoelectricity (polarization generated by strain gradient) in typical beam-bending experiments, since in a bent beam the net strain is zero. In ad...
Citation
Abdollahi, A., Vazquez Sancho, F., Catalan, G. Piezoelectric mimicry of flexoelectricity. "Physical review letters", 15 Novembre 2018, vol. 121, núm. 20, p. 1-5.
Group of research
LACÀN - Numerical Methods for Applied Sciences and Engineering

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