“…The PLT ceramics have been widely studied for applications in dynamic random access memories (DRAM), uncooled infrared detectors and electro-optic devices, due to their large electromechanical anisotropy in the coupling factors along and perpendicular to the direction of polarization and large pyroelectric coefficient along the polarization axis [1][2][3]. In general, these properties of lanthanum doped lead titanate materials mostly depended on the lanthanum concentration and one of the characteristics can be optimized by adjusting the molar ratio of Pb/La [4]. The PLT ceramic powders are conventionally prepared by solid-state reaction [5,6], sol-gel process [7][8][9], chemical precipitation [10], metallo-organic decomposition (MOD) process [11,12], or hydrothermal treatment [13].…”