In order to obtain high Qm ceramics, different additives including MnO2 , Fe2 O3 and K2 CO3 were added into the base PZT composition of xPb ( Zn0.2 Sn0.3 Mn0.5
CdS films were prepared with chemical pyrolysis deposition (CPD) at 450℃ during film growth, and these CdS films were also annealed at different temperature fr