Effect of uniaxial stress on the large-signal electromechanical properties of electrostrictive and piezoelectric lead magnesium niobate lead titanate ceramics

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Date
2004-02-15
Author
Viehland, Dwight D.
Li, Jiefang
McLaughlin, Elizabeth A.
Powers, James M.
Janus, Robert S.
Robinson, Harold C.
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Abstract
The electromechanical performance characteristics of electrostrictive 0.9 Pb(Mg1/3Nb2/3)O-3-0.1 PbTiO3 and piezoelectric 0.7 Pb(Mg1/3Nb2/3)O-3-0.3 PbTiO3 ceramics have been investigated under uniaxial stress (sigma). The results demonstrate that the large-signal electromechanical properties of electrostrictive ceramics are decreased with increasing sigma, whereas those of the piezoelectric are increased but accompanied by significantly increased hysteretic losses. (C) 2004 American Institute of Physics.
URI
http://hdl.handle.net/10919/52497
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