US20070087930A1
University of Texas System
The present invention includes methods, devices, and compositions having improved piezoelectric characteristics with high energy density. Compositions of the present invention are ceramic materials of the formula: Pb[(Zr 0.52 Ti 0.48 )O 3 ] 1−x [(Zn 1/3 Nb 2/3 )O 3 ] x +Mn, where x is 0.05 to 0.20 and Mn is …