Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4730326
Keywords
bending; bismuth compounds; lead compounds; piezoelectric actuators
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Funding
- National Natural Science Foundation of China [51132001, 51072003, 11090331]
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A single ring-shape ceramic plate piezoelectric actuator operated in shear-bending mode was proposed for high-temperature operation. The actuator was formed from BiScO3-PbTiO3 ceramic and polarized in the radial direction. A large bending displacement at the center of the actuator was piezoelectrically generated under an applied voltage in the thickness direction due to axial-symmetric shear strain of the ring-shape configuration. The displacement obtained at 200 degrees C was about 20 mu m, 11-14 times that of a normal piezoelectric plate of identical size. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4730326]
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