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Abstract
The transparent ceramics were prepared by the hot-pressing technique and a FE/PC sandwich memory device was constructed using a transparent ceramic, a photo-conductive CdS film and transparent NESA electrodes. Electro-optic properties of the device were measured with light pulses under various measuring conditions; applied voltage, irradiation times and luminous intensities. The polarization switching characteristics of some PLZT family ceramics were investigated. The electric field dependence of switching time ts can be described by a well known formula ts = kE−n .