TITLE

Ultrahigh piezoelectric response perpendicular to special cleavage plane in BaTiO3 single crystals

AUTHOR(S)
Chu, R.; Xu, Z.; Li, G.; Zeng, H.; Yu, H.; Luo, H.; Yin, Q.
PUB. DATE
January 2005
SOURCE
Applied Physics Letters;1/3/2005, Vol. 86 Issue 1, p012905
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on the ultrahigh piezoelectric response perpendicular to some special cleavage plane in BaTiO3 single crystals. An extremely high value of piezoelectric coefficient d33 value over 2000 pC/N was obtained after being poled perpendicular to special plane (270) in BaTiO3 crystal, which is more than 20 times higher than those poled along spontaneous polarization direction <001> (d33<001>=87 pC/N). A large strain of 0.6% was obtained at a very low electric field.
ACCESSION #
15593178

 

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