Compositions for high power piezoelectric ceramics

Abstract

PZT ceramic materials having a base formula of: PbO a SrO b MnO c SbO d ZrO e TiO f NbO g CuO h CeO i where a ranges between 0.95 and 0.97; where b ranges between 0.015 and 0.025; where c ranges between 0.015 and 0.018; where d ranges between 0.03 and 0.04; where e ranges between 0.45 and 0.5; where f ranges between 0.45 and 0.5; where g ranges between 0.35 and 0.4; where h ranges between 0.005 and 0.015; and where i ranges between 0.003 and 0.005. Methods for preparing the PZT ceramic materials by combining oxides of Pb, Sr, Mn, Sb, Zr, Ti, Nb, Cu, and Ce and calcining the combined oxides so as to produce a PZT composition of the stated formula.

1 . A PZT ceramic material having a base formula of:
   PbO a SrO b MnO c SbO d ZrO e TiO f NbO g CuO h CeO i      
       where a ranges between 0.95 and 0.97; 
       where b ranges between 0.015 and 0.025; 
       where c ranges between 0.015 and 0.018; 
       where d ranges between 0.03 and 0.04; 
       where e ranges between 0.45 and 0.5; 
       where f ranges between 0.45 and 0.5; 
       where g ranges between 0.35 and 0.4; 
       where h ranges between 0.005 and 0.015; and 
       where i ranges between 0.003 and 0.005. 
     
     
         2 . A method for preparing a PZT ceramic material having a base formula of:
   PbO a SrO b MnO c SbO d ZrO e TiO f NbO g CuO h CeO i      
       where a ranges between 0.95 and 0.97; 
       where b ranges between 0.015 and 0.025; 
       where c ranges between 0.015 and 0.018; 
       where d ranges between 0.03 and 0.04; 
       where e ranges between 0.45 and 0.5; 
       where f ranges between 0.45 and 0.5; 
       where g ranges between 0.35 and 0.4; 
       where h ranges between 0.005 and 0.015; and 
       where i ranges between 0.003 and 0.005; 
       comprising combining oxides of Pb, Sr, Mn, Sb, Zr, Ti, Nb, Cu, and Ce and calcining the combined oxides so as to produce a PZT composition of the stated formula. 
     
     
         3 . A PZT ceramic material having a base formula of:
   PbO 0.96 SrO 0.0195 MnO 0.016 SbO 0.0322 ZrO 0.467 TiO 0.457 NbO 0.0378 CuO 0.002 CeO 0.0036 .   
     
     
         4 . A method for preparing a PZT ceramic material having a base formula of:
   PbO 0.96 SrO 0.0195 MnO 0.016 SbO 0.0322 ZrO 0.467 TiO 0.457 NbO 0.0378 CuO 0.002 CeO 0.0036.      
       comprising combining oxides of Pb, Sr, Mn, Sb, Zr, Ti, Nb, Cu, and Ce and calcining the combined oxides so as to produce a PZT composition of the stated formula.