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research article
Domain switching contribution to piezoelectric response in BaTiO3 single crystals
Piezoelectric responses of barium titanate single crystals are investigated along the [720] and [111] directions, respectively, in order to verify the ultrahigh piezoelectric constant (2000 pC/N) reported in a previous study [Appl. Phys. Lett. 86, 012905 (2005)]. The results suggest that electric-field-induced strain can be largely enhanced by the domain switching in barium titanate single crystal along the [720] direction; however, the piezoelectric response under small field measurement has not been enhanced as much as expected because domain switching is a nonlinear and irreversible process.
Type
research article
Web of Science ID
WOS:000260944100072
Authors
Publication date
2008
Published in
Volume
93
Issue
19
Article Number
192904
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
November 30, 2010
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