Materials Research Institute, Penn State University, University Park, Pennsylvania 16802; Medtronic Energy &Component Center, 6700 Shingle Creek Parkway, Brooklyn Center, Minnesota 55430
Abstract:
Annealing of a sintered pellet of Pb0.9175La0.055Zr0.975Ti0.025O3 in air without any precautions against PbO evaporation results in a core–shell microstructure with a solid PLZT core and a porous ZrO2-rich shell.