Abstract
We report the observations of the decay processes of light-induced absorption in one undoped and two Ce-doped BaTiO3 crystals. Two decay times were found, they had not a strong dependence on intensity in our experiment. We present a model with two different shallow trap centers to explain the experimental results. The theoretical and experimental results agree well with each other. The light-induced absorption coefficients and decay times corresponding to the two shallow levels are also given.
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