Ferroelectric ceramics of Bi_4Ti_3O_(12)(BTO),Bi_(3.25)La_(0.75)Ti_3O_(12)(BLT),and Bi_(3.15)Nd_(0.85)Ti_3O_(12)(BNdT) were synthesized using the solid-state reaction method.

• 用传统固相烧结工艺；制备了纯相的Bi4Ti3O12(BTO)陶瓷；A位掺杂的Bi3.；25La0