%0 Journal Article %T Effect of grain size on actuator properties of piezoelectric ceramics %A Hackenberger, Wesley S. %A Pan, Ming-Jen %A Pertsch, Patrick %A Cao, Wenwu %A Shrout, Thomas R. %J Proceedings of SPIE %V 3324 %N 1 %P 28-36 %@ 0277-786X %D 1998-07-20 %I SPIE %~ DeepDyve